Medium-size dogs are the best of both worlds. They usually possess some traits of both small and large dogs, and their maintenance also generally falls somewhere in the middle. If you've been looking for a dog that's not too big and not too small, we rounded up some of the best and most beloved mid-sized dog breeds to choose from.
Breed Characteristics
The way people define medium-size dogs can vary. Some organizations break down dog sizes into detailed groups, including extra-small, small, small-medium, medium, medium-large, large, extra-large, and giant. But, in general, small dog breeds tend to go up to about 20 pounds, and large dog breeds begin around 60 pounds. So anything in the middle could be considered a medium-sized dog. Because of this wide weight range—20 to 60 pounds—medium-size dogs make up a large portion of the breeds in existence.
Here are some of the best medium-size dog breeds from which to choose.
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American Staffordshire Terrier
American Staffordshire terriers are on the larger side for medium-size dogs, with female Am Staffs typically being slightly smaller than the males. They often appear even larger than they actually are due to their muscular bodies and broad heads. These dogs tend to be highly affectionate and energetic, and they make wonderful companions for active households.
Breed Overview
Group: Terrier
Height: 18 to 19 inches (male); 17 to 18 inches (female)
Weight: 55 to 70 pounds (male); 40 to 55 pounds (female)
Coat and Color: Short, glossy coat that comes in many colors
Life Expectancy: 12 to 16 years
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Australian Cattle Dog
The Australian cattle dog is an active and intelligent dog breed that is right in the middle of the medium-size category. This compact and athletic dog is driven to work. The breed is generally curious, alert, and loyal, and it needs something to challenge its mind every day.
Breed Overview
Group: Herding
Height: 18 to 20 inches (male); 17 to 19 inches (female)
Weight: 35 to 50 pounds
Coat and Color: Smooth double coat that comes in red or blue-gray
Life Expectancy: 12 to 16 years
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Australian Shepherd
The Australian shepherd is a very intelligent, high-energy, medium-size dog breed. This herding breed also is quite agile and athletic and therefore well-suited to dog sports, such as flying disc and agility. Plus, Aussies tend to be loyal and friendly dogs that make great companions. But they do need an outlet for their high mental and physical energy.
Breed Overview
Group: Herding
Height: 20 to 23 inches (male); 18 to 21 inches (female)
Weight: 50 to 65 pounds (male); 40 to 55 pounds (female)
Coat and Color: Medium to long coat in various colors and patterns; sometimes naturally bobbed tail
Life Expectancy: 12 to 15 years
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Basenji
The Basenji, a medium-sized hound breed originating from Africa, is a unique canine with a fascinating set of characteristics. Known as the "barkless dog," the Basenji's voice resembles a yodel or chortle rather than the typical barking sound. Their short, sleek coat and proud, erect ears enhance their elegant appearance. Independent and intelligent, the Basenji possesses a cat-like inclination for grooming and cleanliness. Despite their sometimes aloof nature with strangers, the Basenji forms deep bonds with loved ones, offering loyalty and devotion to those who earn their trust.
Breed Overview
Group: Hound
Height: 16 inches (female), 17 inches (male)
Weight: 22 pounds (female), 24 pounds (male)
Coat and Color: Short, smooth coat that comes in black and white; black, tan, and white; brindle and white; or red and white with/without brindle markings
Life Expectancy: 13 to 14 years
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Basset Hound
The basset hound is an easygoing dog with a distinct appearance. While these dogs are built low to the ground with short legs, they still weigh solidly in the medium-size range. Basset owners must keep their dogs' ears and coats clean, as the breed is prone to ear infections and skin issues. Otherwise, these are great dogs that fit in well with quiet to moderately active households.
Breed Overview
Group: Hound
Height: 40 to 65 pounds
Weight: Up to 15 inches
Coat and Color: Very long, velvety ears; hard, smooth, short coat that comes in various colors
Life Expectancy: 12 to 13 years
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Beagle
The happy-go-lucky beagle is a favorite among those who want a dog that is moderately active and very friendly and sweet. Beagles fall on the small side of the medium range. This means they are compact enough to fit in smaller spaces yet still durable dogs that can handle energetic play or a long hike.
Breed Overview
Group: Hound
Height: Two varieties: up to 13 inches; 13 to 15 inches
Weight: Two varieties: under 20 pounds; 20 to 30 pounds
Coat and Color: Close, hard, medium-length coat; colors include tricolor (tan, black, and white), red and white, lemon and white, and more
Life Expectancy: 10 to 15 years
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Bearded Collie
The bearded collie is a clever and outgoing dog breed. Hovering at around 50 pounds, the dog is actually smaller than it appears to be. Its fluffy coat gives it a large presence, but its frame underneath is lean and agile. Owners of this breed will need to keep up with coat care, especially regular brushing to remove tangles and prevent mats.
Breed Overview
Group: Herding
Height: 21 to 22 inches (male); 20 to 21 inches (female)
Weight: 45 to 55 pounds
Coat and Color: Shaggy double coat; coat colors include black, blue, brown, and fawn with white markings
Life Expectancy: 12 to 14 years
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Border Collie
The border collie is one of the smartest dog breeds as well as a high-energy pup. This medium-size dog packs a lot of athleticism into a compact body, and it loves to work. Mental and physical challenges are a must to prevent boredom and destructive behavior. These dogs can be very affectionate companions in active households.
Breed Overview
Group: Herding
Height: 19 to 22 inches (male); 18 to 21 inches (female)
Weight: 30 to 55 pounds
Coat and Color: Smooth or rough coat; colors include black and white, blue merle, sable, and more
Life Expectancy: 12 to 15 years
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Boykin Spaniel
The Boykin spaniel is a friendly, alert dog that makes an excellent bird dog and a relatively easygoing house pet. Typically weighing less than 40 pounds, this dog is a great size for flushing out game or simply cuddling on the couch. The Boykin also tends to love water and is a skilled swimmer. With regular exercise, this breed can be a relaxed companion for all types of households.
Breed Overview
Group: Sporting
Height: 15.5 to 18 inches (male); 14 to 16.5 inches (female)
Weight: 30 to 40 pounds (male); 25 to 35 pounds (female)
Coat and Color: Long, feathery ears; flat to slightly wavy coat; solid brown in color
Life Expectancy: 10 to 15 years
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Brittany
The Brittany is another medium-size dog that excels at hunting. This high-energy breed thrives on physical activity, whether is it hunting or a dog sport such as agility. Keep your Brittany active and engaged, and you will find that the breed is an upbeat, affectionate companion. However, this breed can get bored without enough activity and should live in an active home.
Breed Overview
Group: Sporting
Height: 17.5 to 20.5 inches
Weight: 30 to 40 pounds
Coat and Color: Flat or wavy dense coat; colors include liver and white, orange and white, and more
Life Expectancy: 12 to 14 years
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Bulldog
The bulldog is a stout dog known for its short muzzle and tendency to snore. While bulldogs are low to the ground, they still weigh in the middle of the medium-size dog range due to their muscle. Young bulldogs can be energetic, but they usually slow down into adulthood. They're typically friendly and calm companions, though they often face skin, breathing, and orthopedic problems, among other issues.
Breed Overview
Group: Non-Sporting
Height: 14 to 15 inches
Weight: 50 pounds (male); 40 pounds (female)
Coat and Color: Smooth, fine coat; comes in several different colors
Life Expectancy: 8 to 10 years
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Bull Terrier
The bull terrier is a charming and playful goofball of a dog. These dogs are short and stout, but their large-boned, muscular bodies firmly put them in the medium-size dog category. They often have bursts of energy and clownishness that make them entertaining to be around. Plenty of exercise and training are necessary to keep this breed from becoming restless and hyperactive.
Breed Overview
Group: Terrier
Height: 21 to 22 inches
Weight: 50 to 70 pounds
Coat and Color: Short coat; colors include white, brindle, black and tan, and more
Life Expectancy: 12 to 13 years
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Cardigan Welsh Corgi
The Cardigan Welsh corgi is a medium-sized herding breed hailing from Wales with a big personality packed into a compact frame. They are low to the ground but distinguished from the Pembroke by their long tail and rounded ears. Cardigans were originally bred to drive cattle and have retained their herding instincts and intelligence, making them highly trainable. With a loving and affectionate nature, the Cardigan forms strong bonds with family and is excellent with children.
Breed Overview
Group: Herding
Height: 10 to 13 inches
Weight: 25 to 38 pounds
Coat and Color: Medium-length, dense, water-resistant double coat seen in red, sable, brindle, black, or blue merle; most commonly with white markings on the neck, chest, legs, muzzle, tail, and face
Life Expectancy: 12 to 15 years
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Chow Chow
Although their fluffy coats make them appear large, the Chow Chow is actually a medium-sized breed hailing from China. They are instantly recognizable by their lion-like manes and unique blue-black tongues. Known for their aloof and independent demeanor, the chow exudes an air of regal elegance. While they may appear reserved with strangers, this breed forms strong bonds with family and can be fiercely protective. The chow's dense double coat requires regular grooming to maintain that impressive appearance.
Breed Overview
Group: Non-sporting
Height: 17 to 20 inches at the shoulder
Weight: 40 to 70 pounds
Coat and Color: Rough or smooth double coat in black, blue, cinnamon, cream, or red
Life Expectancy: 8 to 12 years
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Cocker Spaniel
The cocker spaniel is on the smaller side of the medium range, which makes it a good fit if you don't have a lot of space. These dogs are typically happy and playful companions who need moderate exercise. If the cocker's coat is kept long, daily brushing is essential. Also, pay close attention to the ears, as they are prone to infection. Also, check out a highly similar breed called the English cocker spaniel.
Breed Overview
Group: Sporting
Height: 14.5 to 15.5 inches (male); 13.5 to 14.5 inches (female)
Weight: 25 to 30 pounds (male); 20 to 25 pounds (female)
Coat and Color: Medium-length coat with feathering on the ears, chest, stomach, and legs in various colors
Life Expectancy: 10 to 14 years
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Dalmatian
Known for its distinctive spots, the Dalmatian is on the larger end of the medium dog range. This breed is generally quite active and athletic, though some Dalmatians might have a stubborn streak or nervous tendencies, and many are aloof with strangers. Consistent training, socialization, and exercise are key to keeping this dog happy and healthy.
Breed Overview
Group: Non-Sporting
Height: 19 to 24 inches
Weight: 45 to 70 pounds
Coat and Color: Spotted, short, dense coat; colors include black and white or liver and white
Life Expectancy: 12 to 14 years
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English Springer Spaniel
The English springer spaniel is a medium-size bird dog that is athletic and determined while hunting. At home, it is a friendly companion that aims to please. Springers are playful dogs and truly enjoy spending time with the whole family, but this breed does best in fairly active homes.
Breed Overview
Group: Sporting
Height: 20 inches (male); 19 inches (female)
Weight: 50 pounds (male); 40 pounds (female)
Coat and Color: Long coat with feathering on the chest, ears, stomach, and legs; colors include black and white, liver and white, and more
Life Expectancy: 12 to 14 years
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Keeshond
The Keeshond is a medium-sized spitz-type breed originating from the Netherlands. They have a thick double coat, abundant ruff, plumed tail, and distinctive "spectacle-like" markings around the eyes. Bred as a versatile working dog, the Keeshond is known for their intelligence, agility, and loyalty. With a friendly and outgoing nature, the Keeshond makes an excellent family pet, getting along well with children and other animals. They are also vocal and vigilant watchdogs who will alert the family to any potential intruders.
Breed Overview
Group: Non-sporting
Height: 18 inches (males); 17 inches (females)
Weight: 35 to 45 pounds
Coat and Color: Very thick with a double topcoat, wooly undercoat, and long outer coat in cream, black, and gray color combinations; black markings around the eyes
Life Expectancy: 12 to 15 years
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Kerry Blue Terrier
The Kerry blue terrier is fairly large for the terrier category, but it still falls into the medium-size dog category overall. The breed is perhaps best known for its coat that comes in varying shades of blue to gray. It is a smart and energetic dog that loves people. But it doesn't do well in low-activity households or being left alone for long periods.
Breed Overview
Group: Terrier
Height: 18 to 19.5 inches (male); 17.5 to 19 inches (female)
Weight: 33 to 40 pounds (male); females slightly less
Coat and Color: Soft, dense, wavy coat; colors include blue, silver, and more
Life Expectancy: 12 to 15 years
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Miniature American Shepherd
The miniature American shepherd is essentially a smaller version of the Australian shepherd. And just like its cousins, the breed is also a surprisingly effective herder. These dogs are intelligent and energetic. They're great for someone who wants a smart, active, affectionate dog like the Aussie but in a smaller package.
Breed Overview
Group: Herding
Height: 14 to 18 inches (male); 13 to 17 inches (female)
Weight: 20 to 40 pounds
Coat and Color: Somewhat wavy, medium-length coat in various colors
Life Expectancy: 12 to 13 years
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Pembroke Welsh Corgi
The Pembroke Welsh corgi is a long-bodied dog with short legs and distinctive upright ears. While it's low to the ground, the breed is quite athletic and powerful for its size, making it an excellent herding dog. Corgis tend to be very friendly and affectionate, and they also often act as bright and alert watchdogs. A separate breed from the similar Cardigan Welsh corgi, the Pembroke has no tail and somewhat pointier ears.
Breed Overview
Group: Herding
Height: 10 to 12 inches
Weight: Up to 30 pounds (male); up to 28 pounds (female)
Coat and Color: Medium-length coat in red, fawn, black and tan, and sable with white markings
Life Expectancy: 12 to 13 years
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Poodle (Standard)
When you think of a poodle, you may first picture the miniature or toy poodle. But the standard poodle, renowned for its elegance and intelligence, is a medium-sized dog breed that boasts high intelligence and a curly, low-shedding coat. With their exceptional trainability and quick wit, this breed excels in various roles, from being a loyal companion to a skilled performer in dog shows and participating in obedience and agility activities.
Breed Overview
Group: Non-Sporting
Height: Over 15 inches
Weight: 40 to 70 pounds
Coat and Color: Curly, long coat in apricot, black, blue, brown, cafe au lait, cream, gray, red, silver, silver beige, or white
Life Expectancy: 10 to 18 years
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Samoyed
The Samoyed, a medium-sized breed originating from Siberia, is a working dog breed known for a stunning white, fluffy coat and smiling expression. Bred for herding reindeer and pulling sleds, the Samoyed boasts both beauty and utility. Their thick double coat keeps them warm in cold climates but requires regular grooming to maintain a pristine appearance. With a friendly and gentle demeanor, the Samoyed is affectionate with its family and tends to be good-natured with children and other pets.
Breed Overview
Group: Working
Height: 21 to 23.5 inches (males); 19 to 21 inches (females)
Weight: 45 to 60 pounds (males); 35 to 50 pounds (females)
Coat and Color: Double coat with thick undercoat and straight outercoat; primarily bright white, sometimes cream or biscuit (very light brown)
Life Expectancy: 12 to 14 years
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Shar-pei
The Chinese Shar-Pei is known for loose, wrinkled skin, bristly hair, and a distinctive "hippopotamus" muzzle. Originally bred as a versatile working dog, they possess a strong and independent spirit, making them excellent guardians and protectors. The Shar-Pei is deeply devoted and affectionate towards family but may be reserved with strangers. Proper training and socialization are essential.
Breed Overview
Group: Non-sporting
Height: 18 to 20 inches
Weight: 45 to 60 pounds
Coat and Color: Short and bristly coat that comes in various solid color shades, including black, chocolate, blue, and cream
Life Expectancy: 12 to 15 years
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Siberian Husky
The Siberian Husky, a working breed originating from Siberia, is a striking and energetic dog renowned for their captivating blue or multicolored eyes and thick double coat. Bred to endure harsh Arctic conditions, the Husky is exceptionally agile and well-suited for pulling sleds over long distances. Their friendly and outgoing nature makes them a beloved family companion. However, due to their strong instinct to roam and their independent spirit, proper training and supervision are essential. The Husky thrives in an active environment that provides ample exercise and mental stimulation.
Breed Overview
Group: Working
Height: 20 to 23.5 inches
Weight: 35 to 60 pounds
Coat and Color: Dense double coat seen in a variety of colors, including combinations of black, gray, white, and tan. They have markings that include black points, piebald, or pinto.
Life Expectancy: 12 to 15 years
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Soft Coated Wheaten Terrier
The soft coated wheaten terrier is known for its plush coat and joyful demeanor. This medium-size breed sheds very little but needs frequent care to prevent tangles and mats. Consistent training and exercise also are essential to keep the stubborn terrier streak under control. Overall, they are smart, friendly, and loyal dogs that can adapt well to all kinds of households.
Breed Overview
Group: Terrier
Height: 18 to 19 inches (male); 17 to 18 inches (female)
Weight: 35 to 40 pounds (male); 30 to 35 pounds (female)
Coat and Color: Soft, silky, light tan single coat with a slight wave
Life Expectancy: 12 to 14 years
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Staffordshire Bull Terrier
The Staffordshire bull terrier, originating from England, is a robust and affectionate dog known for its muscular build and endearing smile. An ancestor of the American Staffordshire Terrier, the shorter and more-compact Staffordshire Bull Terrier is a loyal and loving family companion. Their affectionate and gentle nature, particularly with children, has even earned them the nickname "nanny dog." While proper socialization is crucial, this breed's devotion to its family makes it a cherished and trusted medium-sized dog breed.
Breed Overview
Group: Terrier
Height: 14 to 16 inches at the shoulder
Weight: 24 to 38 pounds
Coat and Color: Short, smooth coat that comes in red, fawn, white, black, blue, or brindle (any shade); all colors may be with or without white
Life Expectancy: 12 to 14 years
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Standard Schnauzer
The standard schnauzer is both a medium-size dog and the medium-size version of the schnauzer between the miniature and giant schnauzers. This bold and spirited dog has lots of energy, is an alert watchdog, and can be stubborn without consistent training. But it makes an excellent companion for those who lead active lifestyles.
Breed Overview
Group: Working
Height: 18.5 to 19.5 inches (male); 17.5 to 18.5 inches (female)
Weight: 35 to 50 pounds (male); 30 to 45 pounds (female)
Coat and Color: Long eyebrows and beard; dense, wiry coat; colors include black and salt and pepper
Life Expectancy: 13 to 16 years
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Vizsla
The Vizsla is a medium-sized sporting breed from Hungary with a sleek golden-rust coat that requires minimal grooming. Renowned as a skilled hunting dog, this breed possesses a keen sense of smell and exceptional retrieving abilities. However, their true strength lies in the strong bonds they form with family. The "Velcro" Vizsla is highly sociable and thrives on companionship, making it an ideal choice for active households.
Breed Overview
Group: Sporting
Height: 22 to 24 inches (males); 21 to 23 inches (females)
Weight: 55 to 60 pounds (male); 44 to 55 pounds (female)
Coat and Color: Short, smooth, dense coat in varying shades of golden rust
Life Expectancy: 12 to 14 years
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Whippet
Whippets look a lot like greyhounds but in a smaller package. And like greyhounds, whippets are incredibly fast and athletic dogs. These friendly and affectionate canines can make great companions as long as you don't mind them chasing after anything that moves and easily being able to outrun you. The breed requires minimal grooming but lots of exercise.
Breed Overview
Group: Hound
Height: 19 to 22 inches (male); 18 to 21 inches (female)
Weight: 25 to 40 pounds
Coat and Color: Short, smooth coat that comes in various colors
Life Expectancy: 12 to 15 years