US Population with Unclassified Ancestry By State in 2021 (ACS-5yrs)
Updated on March 1, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the US population with Unclassified ancestry was 69.50M, which was 21.08% of the total US population.
Among US states, California had the highest number of people with Unclassified ancestry (6.69M), followed by Texas (5.50M), and Florida (4.17M).
The chart below shows the number and percentage of people with Unclassified ancestry for each state. The information can also be found in the table below.
You can see similar information for other ancestry groups in the US.
Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
US Population with Unclassified Ancestry By State in 2021
< 50K
50K - 100K
100K - 500K
500K - 1M
1M - 2M
Over 2M
US population with Unclassified Ancestry By State in 2021
Items per page:
25
0 of 0
| State | Population | % of State Pop. (%) |
|---|---|---|
| Alabama | 1298180 | 25.98 |
| Alaska | 151994 | 20.65 |
| Arizona | 1444767 | 20.41 |
| Arkansas | 922244 | 30.68 |
| California | 6693221 | 16.96 |
| Colorado | 1300156 | 22.72 |
| Connecticut | 596879 | 16.56 |
| Delaware | 248411 | 25.30 |
| Florida | 4172251 | 19.55 |
| Georgia | 2444504 | 23.01 |
| Hawaii | 224687 | 15.46 |
| Idaho | 418145 | 23.08 |
| Illinois | 2596930 | 20.25 |
| Indiana | 2003336 | 29.67 |
| Iowa | 796790 | 25.06 |
| Kansas | 712308 | 24.29 |
| Kentucky | 1428928 | 31.80 |
| Louisiana | 1028452 | 22.08 |
| Maine | 303875 | 22.39 |
| Maryland | 1251339 | 20.35 |
| Massachusetts | 1294862 | 18.52 |
| Michigan | 2154978 | 21.42 |
| Minnesota | 1070766 | 18.88 |
| Mississippi | 704089 | 23.73 |
| Missouri | 1661630 | 27.06 |
| Montana | 243213 | 22.56 |
| Nebraska | 451609 | 23.14 |
| Nevada | 570345 | 18.64 |
| New Hampshire | 250601 | 18.26 |
| New Jersey | 1501596 | 16.26 |
| New Mexico | 326680 | 15.49 |
| New York | 3848852 | 19.13 |
| North Carolina | 2444431 | 23.58 |
| North Dakota | 155739 | 20.14 |
| Ohio | 2825220 | 24.00 |
| Oklahoma | 1063685 | 26.94 |
| Oregon | 897720 | 21.34 |
| Pennsylvania | 2864635 | 22.09 |
| Rhode Island | 181604 | 16.63 |
| South Carolina | 1208121 | 23.79 |
| South Dakota | 172498 | 19.56 |
| Tennessee | 1914017 | 27.90 |
| Texas | 5496484 | 19.04 |
| Utah | 661516 | 20.47 |
| Vermont | 132251 | 20.61 |
| Virginia | 1904601 | 22.19 |
| Washington | 1491539 | 19.58 |
| West Virginia | 658187 | 36.55 |
| Wisconsin | 1056725 | 18.00 |
| Wyoming | 140107 | 24.30 |
| District of Columbia | 110545 | 16.18 |
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