Counties in Colorado by uninsured rate, under 19 (US, ACS), 2024

San Miguel County had the highest uninsured rate, under 19 (US, ACS) of 64 counties in 2024, at 29.6%. San Juan County had the lowest, at 0%. The median was 4.9% and the figure for Colorado was 5.2%. Source: the U.S. Census Bureau.

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Median4.964 counties
Colorado5.2History

Map of counties, 2024

Adams County: 6.6 %Alamosa County: 2 %Arapahoe County: 6.5 %Archuleta County: 8.8 %Baca County: 4 %Bent County: 2.6 %Boulder County: 1.9 %Broomfield County: 2.4 %Chaffee County: 3.6 %Cheyenne County: 0.8 %Clear Creek County: 0 %Conejos County: 11.5 %Costilla County: 2.3 %Crowley County: 0.3 %Custer County: 10.5 %Delta County: 9.9 %Denver County: 5.7 %Dolores County: 8.9 %Douglas County: 3.2 %Eagle County: 4.9 %Elbert County: 5 %El Paso County: 5.3 %Fremont County: 3.4 %Garfield County: 12.3 %Gilpin County: 6.8 %Grand County: 5.7 %Gunnison County: 1.4 %Hinsdale County: 6.2 %Huerfano County: 1 %Jackson County: 8 %Jefferson County: 3.5 %Kiowa County: 2.9 %Kit Carson County: 13.8 %Lake County: 6.4 %La Plata County: 7.3 %Larimer County: 3.9 %Las Animas County: 3.5 %Lincoln County: 1.2 %Logan County: 1.6 %Mesa County: 7.2 %Mineral County: 10.5 %Moffat County: 3.7 %Montezuma County: 16.5 %Montrose County: 14.7 %Morgan County: 5.4 %Otero County: 0.8 %Ouray County: 6.2 %Park County: 4.4 %Phillips County: 3.7 %Pitkin County: 0.2 %Prowers County: 4.9 %Pueblo County: 2.5 %Rio Blanco County: 13.2 %Rio Grande County: 7.8 %Routt County: 7.9 %Saguache County: 8.3 %San Juan County: 0 %San Miguel County: 29.6 %Sedgwick County: 6.5 %Summit County: 2.1 %Teller County: 3.1 %Washington County: 2 %Weld County: 4.4 %Yuma County: 20.1 %
  • Under 2
  • 2 to 3.4
  • 3.4 to 4.9
  • 4.9 to 6.5
  • 6.5 to 9.4
  • 9.4 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

San Miguel County: 29.6 %San Miguel County29.6Yuma County: 20.1 %Yuma County20.1Montezuma County: 16.5 %Montezuma County16.5Montrose County: 14.7 %Montrose County14.7Kit Carson County: 13.8 %Kit Carson County13.8Rio Blanco County: 13.2 %Rio Blanco County13.2Garfield County: 12.3 %Garfield County12.3Conejos County: 11.5 %Conejos County11.5Custer County: 10.5 %Custer County10.5Mineral County: 10.5 %Mineral County10.5Delta County: 9.9 %Delta County9.9Dolores County: 8.9 %Dolores County8.9Archuleta County: 8.8 %Archuleta County8.8Saguache County: 8.3 %Saguache County8.3Jackson County: 8 %Jackson County8Routt County: 7.9 %Routt County7.9Rio Grande County: 7.8 %Rio Grande County7.8La Plata County: 7.3 %La Plata County7.3Mesa County: 7.2 %Mesa County7.2Gilpin County: 6.8 %Gilpin County6.8Adams County: 6.6 %Adams County6.6Sedgwick County: 6.5 %Sedgwick County6.5Arapahoe County: 6.5 %Arapahoe County6.5Lake County: 6.4 %Lake County6.4Hinsdale County: 6.2 %Hinsdale County6.2Ouray County: 6.2 %Ouray County6.2Grand County: 5.7 %Grand County5.7Denver County: 5.7 %Denver County5.7Morgan County: 5.4 %Morgan County5.4El Paso County: 5.3 %El Paso County5.3Elbert County: 5 %Elbert County5Eagle County: 4.9 %Eagle County4.9Prowers County: 4.9 %Prowers County4.9Park County: 4.4 %Park County4.4Weld County: 4.4 %Weld County4.4Baca County: 4 %Baca County4Larimer County: 3.9 %Larimer County3.9Phillips County: 3.7 %Phillips County3.7Moffat County: 3.7 %Moffat County3.7Chaffee County: 3.6 %Chaffee County3.6San Miguel County: 29.6 %San Miguel County29.6Yuma County: 20.1 %Yuma County20.1Montezuma County: 16.5 %Montezuma County16.5Montrose County: 14.7 %Montrose County14.7Kit Carson County: 13.8 %Kit Carson County13.8Rio Blanco County: 13.2 %Rio Blanco County13.2Garfield County: 12.3 %Garfield County12.3Conejos County: 11.5 %Conejos County11.5Custer County: 10.5 %Custer County10.5Mineral County: 10.5 %Mineral County10.5Delta County: 9.9 %Delta County9.9Dolores County: 8.9 %Dolores County8.9Archuleta County: 8.8 %Archuleta County8.8Saguache County: 8.3 %Saguache County8.3Jackson County: 8 %Jackson County8Routt County: 7.9 %Routt County7.9Rio Grande County: 7.8 %Rio Grande County7.8La Plata County: 7.3 %La Plata County7.3Mesa County: 7.2 %Mesa County7.2Gilpin County: 6.8 %Gilpin County6.8Adams County: 6.6 %Adams County6.6Sedgwick County: 6.5 %Sedgwick County6.5Arapahoe County: 6.5 %Arapahoe County6.5Lake County: 6.4 %Lake County6.4Hinsdale County: 6.2 %Hinsdale County6.2Ouray County: 6.2 %Ouray County6.2Grand County: 5.7 %Grand County5.7Denver County: 5.7 %Denver County5.7Morgan County: 5.4 %Morgan County5.4El Paso County: 5.3 %El Paso County5.3Elbert County: 5 %Elbert County5Eagle County: 4.9 %Eagle County4.9Prowers County: 4.9 %Prowers County4.9Park County: 4.4 %Park County4.4Weld County: 4.4 %Weld County4.4Baca County: 4 %Baca County4Larimer County: 3.9 %Larimer County3.9Phillips County: 3.7 %Phillips County3.7Moffat County: 3.7 %Moffat County3.7Chaffee County: 3.6 %Chaffee County3.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1San Miguel County29.6+23 pts
2Yuma County20.1+5.3 pts
3Montezuma County16.5-1 pts
4Montrose County14.7+1.3 pts
5Kit Carson County13.8+3.4 pts
6Rio Blanco County13.2+0.1 pts
7Garfield County12.3-2.2 pts
8Conejos County11.5+0.9 pts
9Custer County10.5-7.6 pts
10Mineral County10.5-1.5 pts
11Delta County9.9+2.2 pts
12Dolores County8.9+3.7 pts
13Archuleta County8.8+0.1 pts
14Saguache County8.3-0 pts
15Jackson County8+0.5 pts
16Routt County7.9+0.5 pts
17Rio Grande County7.8-4.7 pts
18La Plata County7.3-0 pts
19Mesa County7.2+1.1 pts
20Gilpin County6.8+4.5 pts
21Adams County6.6+0.6 pts
22Sedgwick County6.5+2.2 pts
23Arapahoe County6.5+0.1 pts
24Lake County6.4+0.1 pts
25Hinsdale County6.2-1.1 pts
25Ouray County6.2-0.2 pts
27Grand County5.7-0.7 pts
28Denver County5.7+0.3 pts
29Morgan County5.4-4 pts
30El Paso County5.3+0.7 pts
31Elbert County5+1.9 pts
32Eagle County4.9-0.3 pts
33Prowers County4.9+0.1 pts
34Park County4.4+1.1 pts
35Weld County4.4-0.3 pts
36Baca County4+0.6 pts
37Larimer County3.9+0.1 pts
38Phillips County3.7+1.7 pts
39Moffat County3.7-1.2 pts
40Chaffee County3.6+2 pts
41Jefferson County3.5-0.2 pts
41Las Animas County3.5+0.7 pts
43Fremont County3.4+0.1 pts
44Douglas County3.2+0.3 pts
45Teller County3.1+0.7 pts
46Kiowa County2.9+2 pts
47Bent County2.6+0.9 pts
48Pueblo County2.5+0.1 pts
49Broomfield County2.4-0.6 pts
50Costilla County2.3+0.1 pts
51Summit County2.1-0.7 pts
52Washington County2-4 pts
53Alamosa County2+0.5 pts
54Boulder County1.9-0.1 pts
55Logan County1.6-3 pts
56Gunnison County1.4+0.3 pts
57Lincoln County1.2-5.3 pts
58Huerfano County10 pts
59Otero County0.8-1.9 pts
60Cheyenne County0.8-9.7 pts
61Crowley County0.3+0.1 pts
62Pitkin County0.2-0.8 pts
63Clear Creek County00 pts
63San Juan County00 pts

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population under 19. 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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, 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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs (Counties in Colorado by uninsured rate, under 19 (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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs, Counties in Colorado by uninsured rate, under 19 (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-under-19-acs/colorado-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. Counties in Colorado by uninsured rate, under 19 (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-under-19-acs/colorado-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs, Counties in Colorado by uninsured rate, under 19 (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-under-19-acs/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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs: Counties in Colorado by uninsured rate, under 19 (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-under-19-acs/colorado-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, 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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs: Counties in Colorado by uninsured rate, under 19 (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-under-19-acs/colorado-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19-acs/colorado-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, 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, under 19 (US, ACS)?

San Miguel County, with 29.6% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US, ACS)?

San Juan County, with 0% 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 under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, under 19 (US, ACS): other rankings

Counties in Colorado: more rankings