Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / US states

US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024

Texas had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 51 states in 2024, at 21.6%. Massachusetts had the lowest, at 3.7%. The median was 9.8%. Source: the U.S. Census Bureau.

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Highest21.6Texas
Lowest3.7Massachusetts
Median9.851 states

Map of states, 2024

Alabama: 12.2 %Alaska: 14.2 %Arizona: 14.2 %Arkansas: 13 %California: 8.3 %Colorado: 10.4 %Connecticut: 8.5 %Delaware: 9.4 %District of Columbia: 5.6 %Florida: 15.5 %Georgia: 16.4 %Hawaii: 4.6 %Idaho: 12.4 %Illinois: 9.8 %Indiana: 10.2 %Iowa: 7.5 %Kansas: 11.6 %Kentucky: 9.4 %Louisiana: 11.3 %Maine: 8.1 %Maryland: 8.4 %Massachusetts: 3.7 %Michigan: 7.1 %Minnesota: 6.9 %Mississippi: 14.5 %Missouri: 10.3 %Montana: 12.3 %Nebraska: 9.4 %Nevada: 15.6 %New Hampshire: 6.8 %New Jersey: 10.7 %New Mexico: 16 %New York: 7 %North Carolina: 12 %North Dakota: 7 %Ohio: 9.1 %Oklahoma: 16.5 %Oregon: 7.8 %Pennsylvania: 7.9 %Rhode Island: 5.9 %South Carolina: 13.1 %South Dakota: 10.8 %Tennessee: 13.3 %Texas: 21.6 %Utah: 10.7 %Vermont: 6 %Virginia: 9.3 %Washington: 9.1 %West Virginia: 8.9 %Wisconsin: 7.3 %Wyoming: 13.8 %
  • Under 7
  • 7 to 8.5
  • 8.5 to 9.8
  • 9.8 to 12
  • 12 to 14
  • 14 and over
%, 2024. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All states, 2024

Texas: 21.6 %Texas21.6Oklahoma: 16.5 %Oklahoma16.5Georgia: 16.4 %Georgia16.4New Mexico: 16 %New Mexico16Nevada: 15.6 %Nevada15.6Florida: 15.5 %Florida15.5Mississippi: 14.5 %Mississippi14.5Alaska: 14.2 %Alaska14.2Arizona: 14.2 %Arizona14.2Wyoming: 13.8 %Wyoming13.8Tennessee: 13.3 %Tennessee13.3South Carolina: 13.1 %South Carolina13.1Arkansas: 13 %Arkansas13Idaho: 12.4 %Idaho12.4Montana: 12.3 %Montana12.3Alabama: 12.2 %Alabama12.2North Carolina: 12 %North Carolina12Kansas: 11.6 %Kansas11.6Louisiana: 11.3 %Louisiana11.3South Dakota: 10.8 %South Dakota10.8New Jersey: 10.7 %New Jersey10.7Utah: 10.7 %Utah10.7Colorado: 10.4 %Colorado10.4Missouri: 10.3 %Missouri10.3Indiana: 10.2 %Indiana10.2Illinois: 9.8 %Illinois9.8Delaware: 9.4 %Delaware9.4Kentucky: 9.4 %Kentucky9.4Nebraska: 9.4 %Nebraska9.4Virginia: 9.3 %Virginia9.3Ohio: 9.1 %Ohio9.1Washington: 9.1 %Washington9.1West Virginia: 8.9 %West Virginia8.9Connecticut: 8.5 %Connecticut8.5Maryland: 8.4 %Maryland8.4California: 8.3 %California8.3Maine: 8.1 %Maine8.1Pennsylvania: 7.9 %Pennsylvania7.9Oregon: 7.8 %Oregon7.8Iowa: 7.5 %Iowa7.5Wisconsin: 7.3 %Wisconsin7.3Michigan: 7.1 %Michigan7.1New York: 7 %New York7North Dakota: 7 %North Dakota7Minnesota: 6.9 %Minnesota6.9New Hampshire: 6.8 %New Hampshire6.8Vermont: 6 %Vermont6Rhode Island: 5.9 %Rhode Island5.9District of Columbia: 5.6 %District of Columbia5.6Hawaii: 4.6 %Hawaii4.6Massachusetts: 3.7 %Massachusetts3.7Texas: 21.6 %Texas21.6Oklahoma: 16.5 %Oklahoma16.5Georgia: 16.4 %Georgia16.4New Mexico: 16 %New Mexico16Nevada: 15.6 %Nevada15.6Florida: 15.5 %Florida15.5Mississippi: 14.5 %Mississippi14.5Alaska: 14.2 %Alaska14.2Arizona: 14.2 %Arizona14.2Wyoming: 13.8 %Wyoming13.8Tennessee: 13.3 %Tennessee13.3South Carolina: 13.1 %South Carolina13.1Arkansas: 13 %Arkansas13Idaho: 12.4 %Idaho12.4Montana: 12.3 %Montana12.3Alabama: 12.2 %Alabama12.2North Carolina: 12 %North Carolina12Kansas: 11.6 %Kansas11.6Louisiana: 11.3 %Louisiana11.3South Dakota: 10.8 %South Dakota10.8New Jersey: 10.7 %New Jersey10.7Utah: 10.7 %Utah10.7Colorado: 10.4 %Colorado10.4Missouri: 10.3 %Missouri10.3Indiana: 10.2 %Indiana10.2Illinois: 9.8 %Illinois9.8Delaware: 9.4 %Delaware9.4Kentucky: 9.4 %Kentucky9.4Nebraska: 9.4 %Nebraska9.4Virginia: 9.3 %Virginia9.3Ohio: 9.1 %Ohio9.1Washington: 9.1 %Washington9.1West Virginia: 8.9 %West Virginia8.9Connecticut: 8.5 %Connecticut8.5Maryland: 8.4 %Maryland8.4California: 8.3 %California8.3Maine: 8.1 %Maine8.1Pennsylvania: 7.9 %Pennsylvania7.9Oregon: 7.8 %Oregon7.8Iowa: 7.5 %Iowa7.5Wisconsin: 7.3 %Wisconsin7.3Michigan: 7.1 %Michigan7.1New York: 7 %New York7North Dakota: 7 %North Dakota7Minnesota: 6.9 %Minnesota6.9New Hampshire: 6.8 %New Hampshire6.8Vermont: 6 %Vermont6Rhode Island: 5.9 %Rhode Island5.9District of Columbia: 5.6 %District of Columbia5.6Hawaii: 4.6 %Hawaii4.6Massachusetts: 3.7 %Massachusetts3.7
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankStates2024 (%)Change on 2023
1Texas21.60 pts
2Oklahoma16.5-0.1 pts
3Georgia16.4+0.4 pts
4New Mexico16+2.1 pts
5Nevada15.6+1 pts
6Florida15.50 pts
7Mississippi14.5-0.5 pts
8Alaska14.2-0.5 pts
8Arizona14.2+0.4 pts
10Wyoming13.8-1.8 pts
11Tennessee13.3+0.2 pts
12South Carolina13.1+0.1 pts
13Arkansas13+0.7 pts
14Idaho12.4-0.3 pts
15Montana12.3+0.4 pts
16Alabama12.2-0.5 pts
17North Carolina12-1.2 pts
18Kansas11.6-0.1 pts
19Louisiana11.3+1.3 pts
20South Dakota10.8-0.4 pts
21New Jersey10.7+0.6 pts
21Utah10.7+0.4 pts
23Colorado10.4+1.2 pts
24Missouri10.3-0.2 pts
25Indiana10.2+1.1 pts
26Illinois9.8+1 pts
27Delaware9.4+0.4 pts
27Kentucky9.4+1.8 pts
27Nebraska9.4+0.6 pts
30Virginia9.3+0.7 pts
31Ohio9.1+0.7 pts
31Washington9.1+0.2 pts
33West Virginia8.9-0.1 pts
34Connecticut8.5+0.6 pts
35Maryland8.4+0.2 pts
36California8.3-0.7 pts
37Maine8.1-0.7 pts
38Pennsylvania7.9+0.8 pts
39Oregon7.8-0.3 pts
40Iowa7.5+0.5 pts
41Wisconsin7.3+0.7 pts
42Michigan7.1+0.7 pts
43New York7+0.2 pts
43North Dakota7+0.7 pts
45Minnesota6.9+1.1 pts
46New Hampshire6.80 pts
47Vermont6+0.6 pts
48Rhode Island5.90 pts
49District of Columbia5.6+2.1 pts
50Hawaii4.6+0.2 pts
51Massachusetts3.7+0.2 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

Every value in the ranking comes from the same publisher and the same period, so the states are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties (US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states (Accessed: 12 October 2026).

BibTeX
@misc{census_us_states_by_uninsured_2024,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: US states by uninsured rate, ages 18 to 64 (US model-based estimate), 2024
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/us-states.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which state has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Texas, with 21.6% in 2024, according to the U.S. Census Bureau.

Which state has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Massachusetts, with 3.7% in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

US states: more rankings