Squirrel Population by State 2023

Notes:
- State-level populations of squirrels are typically both vast and uncounted. The table below focuses upon the most common species of squirrel in the US, which form the vast majority of the national squirrel population.
- In total, there exist more than 65 different species of squirrel in the United States, including tree squirrels, 24 types of ground squirrel, 22 species of chipmunk, and a handful of flying squirrels, marmots, and prairie dogs.
- Many species have had different scientific names in the past. For example, the Arctic Ground Squirrel (Urocitellus parryii) was previously known as Spermophilus parryii.