Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024

Hinsdale County had the highest uninsured rate, ages 35 to 64 (US, ACS) of 64 counties in 2024, at 26.3%. Douglas County had the lowest, at 3.5%. The median was 11% and the figure for Colorado was 9.4%. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest26.3Hinsdale County
Median1164 counties
Colorado9.4History

Map of counties, 2024

Adams County: 14.3 %Alamosa County: 7.7 %Arapahoe County: 10.5 %Archuleta County: 15.9 %Baca County: 12.8 %Bent County: 9.1 %Boulder County: 6.1 %Broomfield County: 5.3 %Chaffee County: 9.4 %Cheyenne County: 10.6 %Clear Creek County: 7.9 %Conejos County: 20 %Costilla County: 15.4 %Crowley County: 13.2 %Custer County: 6.8 %Delta County: 18.3 %Denver County: 11.1 %Dolores County: 13.1 %Douglas County: 3.5 %Eagle County: 13 %Elbert County: 7.2 %El Paso County: 8.3 %Fremont County: 7.8 %Garfield County: 19 %Gilpin County: 4.7 %Grand County: 15.6 %Gunnison County: 7.3 %Hinsdale County: 26.3 %Huerfano County: 4.4 %Jackson County: 10.8 %Jefferson County: 6.3 %Kiowa County: 13.6 %Kit Carson County: 14.5 %Lake County: 19.3 %La Plata County: 9.7 %Larimer County: 6.9 %Las Animas County: 14 %Lincoln County: 8.4 %Logan County: 11.7 %Mesa County: 13.3 %Mineral County: 8.8 %Moffat County: 13.1 %Montezuma County: 10.3 %Montrose County: 15.7 %Morgan County: 17.7 %Otero County: 11.8 %Ouray County: 20.5 %Park County: 8.8 %Phillips County: 8.1 %Pitkin County: 5.1 %Prowers County: 15.5 %Pueblo County: 6.9 %Rio Blanco County: 8.4 %Rio Grande County: 19.3 %Routt County: 7 %Saguache County: 16.7 %San Juan County: 22.8 %San Miguel County: 12.2 %Sedgwick County: 19.2 %Summit County: 12.6 %Teller County: 10.2 %Washington County: 8.8 %Weld County: 10.4 %Yuma County: 17.7 %
  • Under 7.1
  • 7.1 to 8.8
  • 8.8 to 11
  • 11 to 13
  • 13 to 17
  • 17 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2024

Hinsdale County: 26.3 %Hinsdale County26.3San Juan County: 22.8 %San Juan County22.8Ouray County: 20.5 %Ouray County20.5Conejos County: 20 %Conejos County20Lake County: 19.3 %Lake County19.3Rio Grande County: 19.3 %Rio Grande County19.3Sedgwick County: 19.2 %Sedgwick County19.2Garfield County: 19 %Garfield County19Delta County: 18.3 %Delta County18.3Morgan County: 17.7 %Morgan County17.7Yuma County: 17.7 %Yuma County17.7Saguache County: 16.7 %Saguache County16.7Archuleta County: 15.9 %Archuleta County15.9Montrose County: 15.7 %Montrose County15.7Grand County: 15.6 %Grand County15.6Prowers County: 15.5 %Prowers County15.5Costilla County: 15.4 %Costilla County15.4Kit Carson County: 14.5 %Kit Carson County14.5Adams County: 14.3 %Adams County14.3Las Animas County: 14 %Las Animas County14Kiowa County: 13.6 %Kiowa County13.6Mesa County: 13.3 %Mesa County13.3Crowley County: 13.2 %Crowley County13.2Moffat County: 13.1 %Moffat County13.1Dolores County: 13.1 %Dolores County13.1Eagle County: 13 %Eagle County13Baca County: 12.8 %Baca County12.8Summit County: 12.6 %Summit County12.6San Miguel County: 12.2 %San Miguel County12.2Otero County: 11.8 %Otero County11.8Logan County: 11.7 %Logan County11.7Denver County: 11.1 %Denver County11.1Jackson County: 10.8 %Jackson County10.8Cheyenne County: 10.6 %Cheyenne County10.6Arapahoe County: 10.5 %Arapahoe County10.5Weld County: 10.4 %Weld County10.4Montezuma County: 10.3 %Montezuma County10.3Teller County: 10.2 %Teller County10.2La Plata County: 9.7 %La Plata County9.7Chaffee County: 9.4 %Chaffee County9.4Hinsdale County: 26.3 %Hinsdale County26.3San Juan County: 22.8 %San Juan County22.8Ouray County: 20.5 %Ouray County20.5Conejos County: 20 %Conejos County20Lake County: 19.3 %Lake County19.3Rio Grande County: 19.3 %Rio Grande County19.3Sedgwick County: 19.2 %Sedgwick County19.2Garfield County: 19 %Garfield County19Delta County: 18.3 %Delta County18.3Morgan County: 17.7 %Morgan County17.7Yuma County: 17.7 %Yuma County17.7Saguache County: 16.7 %Saguache County16.7Archuleta County: 15.9 %Archuleta County15.9Montrose County: 15.7 %Montrose County15.7Grand County: 15.6 %Grand County15.6Prowers County: 15.5 %Prowers County15.5Costilla County: 15.4 %Costilla County15.4Kit Carson County: 14.5 %Kit Carson County14.5Adams County: 14.3 %Adams County14.3Las Animas County: 14 %Las Animas County14Kiowa County: 13.6 %Kiowa County13.6Mesa County: 13.3 %Mesa County13.3Crowley County: 13.2 %Crowley County13.2Moffat County: 13.1 %Moffat County13.1Dolores County: 13.1 %Dolores County13.1Eagle County: 13 %Eagle County13Baca County: 12.8 %Baca County12.8Summit County: 12.6 %Summit County12.6San Miguel County: 12.2 %San Miguel County12.2Otero County: 11.8 %Otero County11.8Logan County: 11.7 %Logan County11.7Denver County: 11.1 %Denver County11.1Jackson County: 10.8 %Jackson County10.8Cheyenne County: 10.6 %Cheyenne County10.6Arapahoe County: 10.5 %Arapahoe County10.5Weld County: 10.4 %Weld County10.4Montezuma County: 10.3 %Montezuma County10.3Teller County: 10.2 %Teller County10.2La Plata County: 9.7 %La Plata County9.7Chaffee County: 9.4 %Chaffee County9.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Hinsdale County26.3-2.3 pts
2San Juan County22.8-2.8 pts
3Ouray County20.5-0.3 pts
4Conejos County20+0.6 pts
5Lake County19.3+2.5 pts
5Rio Grande County19.3-0.6 pts
7Sedgwick County19.2+2.6 pts
8Garfield County19-2.5 pts
9Delta County18.3+0.8 pts
10Morgan County17.7+4.1 pts
10Yuma County17.7-4.6 pts
12Saguache County16.7+4.5 pts
13Archuleta County15.9-3.2 pts
14Montrose County15.7-0.9 pts
15Grand County15.6-1.1 pts
16Prowers County15.5-1.8 pts
17Costilla County15.4+0.7 pts
18Kit Carson County14.5-0.8 pts
19Adams County14.3+0.4 pts
20Las Animas County14+0.7 pts
21Kiowa County13.6+1.9 pts
22Mesa County13.3+0.3 pts
23Crowley County13.2+0.4 pts
24Moffat County13.1+2.1 pts
25Dolores County13.1+0.4 pts
26Eagle County13+0.3 pts
27Baca County12.8+0.5 pts
28Summit County12.6-0.1 pts
29San Miguel County12.2-0.3 pts
30Otero County11.8+0.9 pts
31Logan County11.7-1.9 pts
32Denver County11.1+0.3 pts
33Jackson County10.8+0.9 pts
34Cheyenne County10.6-0.7 pts
35Arapahoe County10.5+0.7 pts
36Weld County10.4-0.3 pts
37Montezuma County10.3-0.5 pts
38Teller County10.2-0.2 pts
39La Plata County9.7-1.7 pts
40Chaffee County9.4-1 pts
41Bent County9.1+0.5 pts
42Washington County8.8-1 pts
43Mineral County8.8-4.7 pts
43Park County8.8-0.7 pts
45Lincoln County8.4+1.5 pts
46Rio Blanco County8.4-2.2 pts
47El Paso County8.3-0 pts
48Phillips County8.1+0.4 pts
49Clear Creek County7.9-0.9 pts
50Fremont County7.8+1.2 pts
51Alamosa County7.7-1.1 pts
52Gunnison County7.3+0.5 pts
53Elbert County7.2+0.2 pts
54Routt County7-1.7 pts
55Larimer County6.9-0.1 pts
56Pueblo County6.9-0.8 pts
57Custer County6.8-3.7 pts
58Jefferson County6.30 pts
59Boulder County6.1+0.3 pts
60Broomfield County5.3+0.2 pts
61Pitkin County5.1-0.3 pts
62Gilpin County4.7-7.1 pts
63Huerfano County4.4-2.6 pts
64Douglas County3.5+0.1 pts

Other periods

About this ranking

People aged 35 to 64 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 35 to 64. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs (Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Colorado by uninsured rate, ages 35 to 64 (US, ACS), 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/colorado-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, ages 35 to 64 (US, ACS)?

Hinsdale County, with 26.3% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 35 to 64 (US, ACS)?

Douglas County, with 3.5% 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, American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 35 to 64 (US, ACS): other rankings

Counties in Colorado: more rankings