how big do australian shepherds get
Australian Shepherds are medium-sized dogs that typically stand around 18–23 inches tall at the shoulder and weigh about 40–65 pounds as adults, with males usually larger than females. Some Aussies may fall slightly outside these ranges and still be healthy.
Typical adult size
- Height at the shoulder
- Males: about 20–23 inches.
* Females: about 18–21 inches.
- Weight range
- Males: about 50–65 pounds.
* Females: about 40–55 pounds.
- Overall build
- Generally described as a lean, athletic, medium-sized herding dog, often weighing roughly 35–70 pounds across the broadest range reported.
Growth and when they stop growing
- Most Aussies reach close to their full height by around 9–12 months, then fill out in muscle and chest until about 18–24 months.
- Growth charts show males often ending up around 50–65 pounds and females around 40–55 pounds by about 18–24 months.
Male vs female size (quick table)
| Australian Shepherd | Adult height (shoulder) | Adult weight |
|---|---|---|
| Male | 20–23 inches | [1][3][7]50–65 lb | [3][7][1]
| Female | 18–21 inches | [7][1][3]40–55 lb | [1][3][7]
| Broad reported range (either sex) | Withers height about 18–23 inches | [9]About 35–70 lb | [9]
Why some Aussies are bigger or smaller
- Genetics (bloodlines, working vs show lines) play a big role in how large an individual Aussie gets.
- Nutrition during puppyhood, exercise, and whether the dog is spayed/neutered can slightly influence final weight and body condition, though they do not radically change height.
Mini Aussies and toy Aussies
- Miniature and toy “Australian Shepherds” (often called Mini Americans in some registries) are deliberately bred smaller and usually stand under 18 inches and weigh less than standard Aussies.
- If a breeder advertises a very small Aussie, it is likely a mini or toy variety rather than a standard Australian Shepherd. Information gathered from public forums or data available on the internet and portrayed here.