State rankings

Squirrel Population by State

Oregon has the highest # of Major Squirrel Species (17), followed by California (15) and Idaho (15). Mississippi has the lowest (3).

Environment50 states · 2 metricsUpdated Jul 6, 2023Original page
1 source
# of Major Squirrel SpeciesBetter directionWhether a higher or a lower value is better. A green arrow means higher is better, a red arrow means lower is better, and no arrow means neither.More in the glossary →
50 of 51 states
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# of Major Squirrel Species

Darker means higher. Click a place to highlight it.

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All 50 ranked

Highest first.

Distribution Median and middle halfThe median is the middle value: half of places are above it, half below. The middle half is the range holding the central 50% of places.More in the glossary →

Each dot is one state; the lines mark the median and the middle half.

Median
5
Middle half 4 – 9
Average
6.98
50 states
Highest
17
Oregon
Lowest
3
Mississippi

Data

Click a column to sort, a row to highlight that place on the charts.

50 states · # = rank by # of Major Squirrel Species
#
1Oregon17American Red Squirrel (Tamiasciurus hudsonicus), Belding's Ground Squirrel (Urocitellus beldingi)+4
2California15Belding's Ground Squirrel (Urocitellus beldingi), California Ground Squirrel (Otospermophilus beecheyi)+4
2Idaho15American Red Squirrel (Tamiasciurus hudsonicus), Belding's Ground Squirrel (Urocitellus beldingi)+4
4Washington14American Red Squirrel (Tamiasciurus hudsonicus), California Ground Squirrel (Spermophilus beecheyi)+4
5Utah13Abert's Squirrel (Sciurus aberti), American Red Squirrel (Tamiasciurus hudsonicus)+4
5Nevada13Belding's Ground Squirrel (Urocitellus beldingi), California Ground Squirrel (Otospermophilus beecheyi)+4
7Arizona12Abert's Squirrel (Sciurus aberti), American Red Squirrel (Tamiasciurus hudsonicus)+4
7New Mexico12Abert's Squirrel (Sciurus aberti), Arizona Gray Squirrel (Sciurus arizonensis)+4
9Colorado11Abert's Squirrel (Sciurus aberti), American Red Squirrel (Tamiasciurus hudsonicus)+5
9Montana11American Red Squirrel (Tamiasciurus hudsonicus), Columbian Ground Squirrel (Urocitellus columbianus)+4
9Wyoming11Abert's Squirrel (Sciurus aberti) American Red Squirrel (Tamiasciurus hudsonicus) Eastern Fox Squirrel (Sciurus niger) Eastern Gray Squirrel (Sciurus carolinensis) Golden-mantled Ground Squirrel (Callospermophilus lateralis) Least Chipmunk (Tamias minimus) Northern Flying Squi…
12Texas9Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+5
12Minnesota9American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+5
12South Dakota9American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+5
15Wisconsin8American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+5
15Nebraska8American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+4
15North Dakota8American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+5
18Michigan7American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+5
18Iowa7Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+4
18Kansas7Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+5
21Pennsylvania6American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+4
21Illinois6American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+4
21Indiana6American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+4
21Oklahoma6Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+4
25New York5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25Ohio5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25North Carolina5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25New Jersey5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25Virginia5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25Tennessee5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
25Missouri5Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+3
25Connecticut5Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+3
25West Virginia5American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+3
34Florida4Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Georgia4Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Massachusetts4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Maryland4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+2
34South Carolina4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+2
34Kentucky4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Fox Squirrel (Sciurus niger)+2
34New Hampshire4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Maine4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Rhode Island4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Delaware4Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Alaska4American Red Squirrel (Tamiasciurus hudsonicus), Arctic Ground Squirrel (Urocitellus parryii)+2
34District of Columbia4Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+2
34Vermont4American Red Squirrel (Tamiasciurus hudsonicus), Eastern Gray Squirrel (Sciurus carolinensis)+2
47Alabama3Eastern Gray Squirrel (Sciurus carolinensis), Eastern Fox Squirrel (Sciurus niger)+1
47Louisiana3Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+1
47Arkansas3Eastern Gray Squirrel (Sciurus carolinensis), Eastern Fox Squirrel (Sciurus niger)+1
47Mississippi3Eastern Fox Squirrel (Sciurus niger), Eastern Gray Squirrel (Sciurus carolinensis)+1

What correlates with # of Major Squirrel Species?

Pearson r against 2,108 other state metrics sharing at least 30 states. Correlation is not causation.

Higher together

Places that have a higher # of Major Squirrel Species tend to score higher on these

  1. Rainfall (1-10)Best States for Camping
    r = +0.80 · very strong · n = 49
    Plot
  2. # of Mammal SpeciesMost Biodiverse States
    r = +0.79 · very strong · n = 50
    Plot
  3. Federal Land (% of Total Land Area)Federal Land by State
    r = +0.73 · very strong · n = 49
    Plot
  4. Public Land % of StatePublic Land by State
    r = +0.72 · very strong · n = 50
    Plot
  5. The highest point in each state in feetHighest Point in Each State
    r = +0.71 · very strong · n = 50
    Plot
  6. Highest ElevationFlattest States in the United States
    r = +0.71 · very strong · n = 50
    Plot

Opposite directions

Places that have a higher # of Major Squirrel Species tend to score lower on these

  1. Average Annual RainfallOff-Grid Living Legal States
    r = −0.80 · very strong · n = 49
    Plot
  2. Yearly Precipitation (Inches)Climate by State (1991–2020 Averages)
    r = −0.80 · very strong · n = 49
    Plot
  3. Avg Annual Precipitation (mm) - 1971-2000Driest States in the US
    r = −0.80 · very strong · n = 49
    Plot
  4. Avg Annual Precipitation 1971-2000Driest States in the US
    r = −0.80 · very strong · n = 49
    Plot
  5. Mean Annual Precipitation 1971-2000Best Weather by State
    r = −0.80 · very strong · n = 49
    Plot
  6. Indoor Allergy Humidity ScoreAllergy-Friendly States
    r = −0.79 · very strong · n = 48
    Plot

Quick answers

Which state has the highest # of Major Squirrel Species?
Oregon has the highest # of Major Squirrel Species, at 17, followed by California (15) and Idaho (15).
Which state has the lowest # of Major Squirrel Species?
Mississippi has the lowest # of Major Squirrel Species, at 3.
What is the median # of Major Squirrel Species across US states?
The median is 5 across the 50 US states with data.
Where does this squirrel population by state data come from?
Rankodex compiles it from World Population Review and the primary sources it cites: Nature Serve Explorer.