United States Population By State in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the population of the United States was 332,048,977. Among all US states, California had the highest population (39,145,060), followed by Texas (29,561,286), and then Florida (21,830,708). Wyoming was the least populated state with a population of 579,548.

Hover over or click on the states in the map below to see the number and percentage of the US population that lives in each states. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can also see links at the bottom of the page for the population by county each state.

See this for other years:
US Population By State in 2021
less than 1M
1M - 2M
2M - 5M
5M - 10M
10M - 15M
Over 15M
US Population By State in 2021
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State Population % of US Population
Alabama 5050380 1.52
Alaska 734923 0.22
Arizona 7272487 2.19
Arkansas 3028443 0.91
California 39145060 11.79
Colorado 5811596 1.75
Connecticut 3603691 1.09
Delaware 1004881 0.30
Florida 21830708 6.58
Georgia 10790385 3.25
Hawaii 1446745 0.44
Idaho 1904537 0.57
Illinois 12690341 3.82
Indiana 6813798 2.05
Iowa 3197944 0.96
Kansas 2937946 0.89
Kentucky 4507600 1.36
Louisiana 4627047 1.39
Maine 1378787 0.42
Maryland 6175045 1.86
Massachusetts 6991951 2.11
Michigan 10038117 3.02
Minnesota 5717968 1.72
Mississippi 2949582 0.89
Missouri 6170393 1.86
Montana 1106366 0.33
Nebraska 1964253 0.59
Nevada 3146632 0.95
New Hampshire 1387494 0.42
New Jersey 9269175 2.79
New Mexico 2116950 0.64
New York 19854526 5.98
North Carolina 10567100 3.18
North Dakota 777982 0.23
Ohio 11765227 3.54
Oklahoma 3991634 1.20
Oregon 4256465 1.28
Pennsylvania 13013614 3.92
Rhode Island 1097092 0.33
South Carolina 5193848 1.56
South Dakota 896299 0.27
Tennessee 6963709 2.10
Texas 29561286 8.90
Utah 3339284 1.01
Vermont 647093 0.20
Virginia 8657348 2.61
Washington 7741433 2.33
West Virginia 1785249 0.54
Wisconsin 5879978 1.77
Wyoming 579548 0.18
District of Columbia 669037 0.20