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In 2024, 8.2% of Americans lacked health insurance — up from 7.9% a year earlier, driven largely by Medicaid coverage declines. The gap between states is enormous: Texas (16.7%) is nearly six times Massachusetts (2.8%). These are the latest official U.S. Census Bureau American Community Survey figures, covering all 50 states and D.C.
Source: U.S. Census Bureau, "Health Insurance Coverage by State: 2023 and 2024" (Report ACSBR-024, released Sept. 11, 2025), Appendix Table 1: "Percentage of Uninsured People by State: 2023 and 2024." Source data: 2024 American Community Survey (ACS) 1-year estimates. Civilian noninstitutionalized population, all ages. URL: https://www.census.gov/library/publications/2025/acs/acsbr-024.html (PDF: https://www2.census.gov/library/publications/2025/demo/acsbr-024.pdf)
Per-state values were transcribed exactly from Appendix Table 1 of the U.S. Census Bureau report ACSBR-024. The figure is the percentage of the civilian noninstitutionalized population of all ages without health insurance at the time of interview, based on the 2024 American Community Survey 1-year estimates. No values were estimated, rounded further, or interpolated. The national total (8.2%) and the 2023 comparison column are taken from the same table. The 90% margin of error for each state estimate is reported in the source table (e.g., ±0.1 for the U.S. total, ±0.2 for Texas, ±0.2 for Massachusetts).
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In 2024, 8.2% of the U.S. population had no health insurance — about 1 in 12 people. That figure is up from 7.9% in 2023, a small but statistically significant increase that ended a multi-year stretch of historically low uninsured rates. The U.S. Census Bureau attributes the rise primarily to Medicaid "unwinding": as pandemic-era continuous enrollment protections expired, Medicaid coverage rates fell in 30 states, and not everyone who lost Medicaid moved to other coverage.
But the national average hides a vast gap between states. The uninsured rate ranges from 2.8% in Massachusetts to 16.7% in Texas — a roughly six-fold difference.
The geography of uninsurance is strongly regional and closely tied to Medicaid expansion decisions under the Affordable Care Act.
Most states held roughly steady, but a few shifted meaningfully:
These figures come from the American Community Survey (ACS), a large mandatory Census survey — they are statistically robust but are still survey estimates with margins of error (e.g., ±0.1 for the national rate, ±0.2 for Texas and Massachusetts). The ACS measures coverage at the time of interview, so it differs from "uninsured at any point in the year" estimates. Other federal sources, including the CDC's National Health Interview Survey (NHIS) and the Census Current Population Survey (CPS), use different definitions and methods and can produce slightly different national and state figures. CDC's BRFSS, by contrast, is self-reported and not directly comparable. Comparisons across surveys should be made with care.
*This is a data overview only and is not medical, insurance, or financial advice.*
% uninsured (all ages, 2024)
| # | ||||
|---|---|---|---|---|
| 1 | 51 | Massachusetts | 2.8 | 2.6 |
| 2 | 50 | Hawaii | 3.5 | 3.2 |
| 3 | 49 | Vermont | 4.2 | 3.4 |
| 4 | 48 | New Hampshire | 4.5 | 4.7 |
| 5 | 47 | District of Columbia | 4.5 | 2.7 |
| 6 | 46 | Rhode Island | 4.6 | 4.5 |
| 7 | 45 | New York | 5 | 4.8 |
| 8 | 44 | Minnesota | 5.1 | 4.2 |
| 9 | 43 | Michigan | 5.1 | 4.5 |
| 10 | 42 | Oregon | 5.2 | 5.5 |
Source: U.S. Census Bureau, Health Insurance Coverage by State: 2023 and 2024 (ACSBR-024, Sept. 11, 2025), Appendix Table 1, using 2024 ACS 1-year estimates. https://www.census.gov/library/publications/2025/acs/acsbr-024.html. Sorted highest to lowest uninsured rate. '2024' = percent uninsured in 2024; '2023' = prior-year percent for comparison.
Per-state values were transcribed exactly from Appendix Table 1 of the U.S. Census Bureau report ACSBR-024. The figure is the percentage of the civilian noninstitutionalized population of all ages without health insurance at the time of interview, based on the 2024 American Community Survey 1-year estimates. No values were estimated, rounded further, or interpolated. The national total (8.2%) and the 2023 comparison column are taken from the same table. The 90% margin of error for each state estimate is reported in the source table (e.g., ±0.1 for the U.S. total, ±0.2 for Texas, ±0.2 for Massachusetts).
Data source: U.S. Census Bureau, "Health Insurance Coverage by State: 2023 and 2024" (Report ACSBR-024, released Sept. 11, 2025), Appendix Table 1: "Percentage of Uninsured People by State: 2023 and 2024." Source data: 2024 American Community Survey (ACS) 1-year estimates. Civilian noninstitutionalized population, all ages. URL: https://www.census.gov/library/publications/2025/acs/acsbr-024.html (PDF: https://www2.census.gov/library/publications/2025/demo/acsbr-024.pdf)
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HealthVetted. (2026). Uninsured Rate by U.S. State (2026). HealthVetted. https://healthvetted.com/research/us-uninsured-rate-by-state
"Uninsured Rate by U.S. State (2026)." HealthVetted, 2026, https://healthvetted.com/research/us-uninsured-rate-by-state.
<p>Source: <a href="https://healthvetted.com/research/us-uninsured-rate-by-state">Uninsured Rate by U.S. State (2026)</a> by <a href="https://healthvetted.com">HealthVetted</a>.</p>
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