You might think a small forest state would win this one, but honestly, Texas probably has the most squirrels just because it’s so massive, has tons of different habitats, and there’s food everywhere—from cities to the wild. If you’re looking for squirrels, your odds go way up in many parts of Texas compared to any smaller state.
Curious why Texas leads the pack or how the squirrel mix changes from place to place? Let’s look at how land size, city parks, and the types of squirrels affect where they actually thrive.
You’ll get a sense of which states have the most species, where the rare ones show up, and what that means for spotting them near home or on a trip.
Which State Has the Most Squirrels?
Most states have plenty of squirrel species, but some stand out for their size, habitat variety, and food options.
Texas, California, and states with big forests or lots of backyards usually have the highest squirrel numbers and a mix of species.
States With the Highest Squirrel Populations
Texas almost always comes out on top for total squirrels because it has so many different habitats and a huge area. You’ll spot eastern gray squirrels and fox squirrels all over—cities, small towns, rural woods.
Big parks, oak forests, and even suburban neighborhoods support loads of them.
California isn’t far behind. It’s home to western gray, eastern gray (where people have introduced them), Douglas squirrels, California ground squirrels, and even flying squirrels in the coastal woods.
Both big cities and rural stretches have plenty of squirrels.
Other large states like Florida, Georgia, and New York also have big squirrel populations.
These places mix lots of green space with mild weather, which helps squirrels survive and raise young.
Most Common Squirrel Species in Top States
The eastern gray squirrel (Sciurus carolinensis) pops up in most of these top states.
You’ll see them in parks, neighborhoods, and woods from the East Coast through the Midwest, and even in some western areas where they’ve been introduced.
They seem to handle human environments pretty well.
Fox squirrels (Sciurus niger) like open woods and suburban lawns. They sometimes share space with gray squirrels where their ranges meet.
Out west, you’ll run into species like Abert’s squirrel (Sciurus aberti) and the Arizona gray squirrel (Sciurus arizonensis), but they stick to their own special habitats.
California ground squirrels (Spermophilus beecheyi) and thirteen-lined ground squirrels (Ictidomys tridecemlineatus) dig around in grasslands and on farms.
The southern flying squirrel (Glaucomys volans) sticks to mature forests and shows up in many eastern states.
Factors That Influence Squirrel Numbers
Habitat makes the biggest difference. You’ll find more squirrels where trees, nuts, and shrubs are everywhere.
Urban spots with bird feeders and backyard trees can surprise you with how many squirrels they hold.
If there’s a lot of oak, hickory, or pine, expect even more squirrels.
Climate matters too. Mild winters help more young survive.
In really cold areas, like the boreal forest, American red squirrels hang on, but you won’t see as many.
Human land use can go both ways: development takes away habitat, but parks and yards sometimes create new squirrel-friendly spots.
Predators, disease, and competition can change how many squirrels you’ll see.
When people introduce gray squirrels, they sometimes push out native red or fox squirrels.
Food supply changes every year—big crops of nuts or seeds can make squirrel numbers swing wildly.
Estimating Squirrel Populations Across the U.S.
Counting all the squirrels is tricky.
Researchers usually count local populations with transects, camera traps, or just watching, then estimate for a whole habitat.
Wildlife agencies often give numbers by species for each state instead of a big national total.
Take those single-state numbers with a grain of salt.
States use different methods and some put in more effort than others.
For instance, Wyoming might show a high squirrel-per-person ratio just because there aren’t many people, not because there are tons of squirrels.
Looking at species lists and habitat maps usually gives you a better idea than just one national number.
If you want numbers for your own state, check out state wildlife websites or local studies—they sometimes have species-specific counts and survey methods.
For more details, resources like World Population Review list common species by state, which helps if you’re trying to figure out what’s living near you.
Squirrel Diversity and Habitats in Leading States
Some states have a ton of squirrel species, while others have just a few.
Let’s see where you’ll find the most types, which habitats they use, and which ones are unique to certain regions.
Range of Squirrel Species by State
States really vary in how many squirrel species they have.
Oregon and Washington both list about eight main species, including tree squirrels like the western gray squirrel (Sciurus griseus) and flying squirrels such as Humboldt’s flying squirrel (Glaucomys oregonensis).
Up north, Michigan, Minnesota, and Wisconsin usually have seven species—a mix of tree, ground, and flying squirrels.
In the east, places like New York and Pennsylvania often have American red squirrels (Tamiasciurus hudsonicus), eastern gray squirrels (Sciurus carolinensis), and southern flying squirrels (Glaucomys volans).
California and Florida both support several tree and ground species, thanks to their different climates and habitats.
If you want the full breakdown, World Population Review has a handy table of state species counts and names.
Squirrel Habitats and Ecological Roles
You’ll find different squirrels in different places.
Tree squirrels stick to forests, parks, and neighborhoods where trees give them food and places to nest.
Ground squirrels prefer grasslands, prairies, and open fields—anywhere they can dig burrows.
Flying squirrels need mature forests with big trees for nesting and a thick canopy for gliding.
Squirrels actually shape their ecosystems.
Tree squirrels scatter seeds and help new oaks and pines grow.
Ground squirrels dig and aerate the soil, which changes the plants that can grow there.
Flying squirrels eat fungi and spread spores, which helps trees stay healthy.
If you notice more or fewer squirrels around, it usually means something’s changing with the habitat or food supply.
Unique and Endemic Squirrels in the U.S.
Some squirrels stick to just a few parts of the U.S. The Western gray squirrel (Sciurus griseus) mostly lives out west, and honestly, you might notice it’s become pretty rare in some areas.
The Douglas squirrel (Tamiasciurus douglasii) hangs out in Pacific coastal forests. It relies a lot on conifer seeds, which feels oddly specific, doesn’t it?
Abert’s squirrel shows up in the ponderosa pine forests of the Southwest. This squirrel really seems to love those trees.
Flying squirrels break into regions, too. The Northern flying squirrel (Glaucomys sabrinus) prefers cool northern forests.
Humboldt’s flying squirrel (Glaucomys oregonensis) pops up along the Pacific coast woodlands. The American red squirrel (Tamiasciurus hudsonicus) covers a lot of ground but usually sticks close to conifer stands.
If you’re curious about where these species turn up, wildlife agencies and the U.S. Fish & Wildlife Service have some good info.
