10 Medium-Size Dog Breeds for Your Lifestyle

American Staffordshire 

American Staffordshire terriers are on the larger side for medium-size dogs, with female Am Staffs typically being slightly smaller than the males.

Kerry Blue Terrier

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.

Australian Shepherd

The Australian shepherd is a very intelligent, high-energy, medium-size dog breed. This herding breed also is quite agile and athletic.


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.

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.


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.

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.

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.

Boykin Spaniel

he 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.


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.