Data / Rankings / Uninsured rate, under 19 (US model-based estimate) / Counties in Colorado

Counties in Colorado by uninsured rate, under 19 (US model-based estimate)

Baca County had the highest uninsured rate, under 19 (US model-based estimate) of 64 counties in 2018, at 11.4%. Douglas County had the lowest, at 2.6%. The median was 6.2% and the figure for Colorado was 4.8%. Source: the U.S. Census Bureau.

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Highest11.4Baca County
Lowest2.6Douglas County
Median6.264 counties
Colorado4.8History

Map of counties, 2018

Adams County: 5.2 %Alamosa County: 6.9 %Arapahoe County: 5.2 %Archuleta County: 8 %Baca County: 11.4 %Bent County: 5.9 %Boulder County: 4.1 %Broomfield County: 2.9 %Chaffee County: 6.6 %Cheyenne County: 10.9 %Clear Creek County: 4.6 %Conejos County: 6.1 %Costilla County: 6.4 %Crowley County: 6.2 %Custer County: 8.2 %Delta County: 6.4 %Denver County: 4.6 %Dolores County: 6.9 %Douglas County: 2.6 %Eagle County: 7.8 %Elbert County: 5 %El Paso County: 4.9 %Fremont County: 4.1 %Garfield County: 7.2 %Gilpin County: 3.1 %Grand County: 6.4 %Gunnison County: 5.4 %Hinsdale County: 8.8 %Huerfano County: 4.6 %Jackson County: 8.4 %Jefferson County: 4 %Kiowa County: 8.3 %Kit Carson County: 9.7 %Lake County: 6 %La Plata County: 5.8 %Larimer County: 4.3 %Las Animas County: 6 %Lincoln County: 7 %Logan County: 5.9 %Mesa County: 5.1 %Mineral County: 6.8 %Moffat County: 5.4 %Montezuma County: 6.9 %Montrose County: 6.4 %Morgan County: 7 %Otero County: 5.2 %Ouray County: 6.2 %Park County: 5.9 %Phillips County: 10.2 %Pitkin County: 8.9 %Prowers County: 6.7 %Pueblo County: 3.6 %Rio Blanco County: 5.9 %Rio Grande County: 6.7 %Routt County: 5.5 %Saguache County: 9.5 %San Juan County: 8.2 %San Miguel County: 8.8 %Sedgwick County: 8.7 %Summit County: 6.1 %Teller County: 4.7 %Washington County: 6.9 %Weld County: 5.1 %Yuma County: 8.9 %
  • Under 4.7
  • 4.7 to 5.5
  • 5.5 to 6.2
  • 6.2 to 6.9
  • 6.9 to 8.4
  • 8.4 and over
%, 2018. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2018

Baca County: 11.4 %Baca County11.4Cheyenne County: 10.9 %Cheyenne County10.9Phillips County: 10.2 %Phillips County10.2Kit Carson County: 9.7 %Kit Carson County9.7Saguache County: 9.5 %Saguache County9.5Pitkin County: 8.9 %Pitkin County8.9Yuma County: 8.9 %Yuma County8.9Hinsdale County: 8.8 %Hinsdale County8.8San Miguel County: 8.8 %San Miguel County8.8Sedgwick County: 8.7 %Sedgwick County8.7Jackson County: 8.4 %Jackson County8.4Kiowa County: 8.3 %Kiowa County8.3Custer County: 8.2 %Custer County8.2San Juan County: 8.2 %San Juan County8.2Archuleta County: 8 %Archuleta County8Eagle County: 7.8 %Eagle County7.8Garfield County: 7.2 %Garfield County7.2Lincoln County: 7 %Lincoln County7Morgan County: 7 %Morgan County7Alamosa County: 6.9 %Alamosa County6.9Dolores County: 6.9 %Dolores County6.9Montezuma County: 6.9 %Montezuma County6.9Washington County: 6.9 %Washington County6.9Mineral County: 6.8 %Mineral County6.8Prowers County: 6.7 %Prowers County6.7Rio Grande County: 6.7 %Rio Grande County6.7Chaffee County: 6.6 %Chaffee County6.6Costilla County: 6.4 %Costilla County6.4Delta County: 6.4 %Delta County6.4Grand County: 6.4 %Grand County6.4Montrose County: 6.4 %Montrose County6.4Crowley County: 6.2 %Crowley County6.2Ouray County: 6.2 %Ouray County6.2Conejos County: 6.1 %Conejos County6.1Summit County: 6.1 %Summit County6.1Lake County: 6 %Lake County6Las Animas County: 6 %Las Animas County6Bent County: 5.9 %Bent County5.9Logan County: 5.9 %Logan County5.9Park County: 5.9 %Park County5.9Baca County: 11.4 %Baca County11.4Cheyenne County: 10.9 %Cheyenne County10.9Phillips County: 10.2 %Phillips County10.2Kit Carson County: 9.7 %Kit Carson County9.7Saguache County: 9.5 %Saguache County9.5Pitkin County: 8.9 %Pitkin County8.9Yuma County: 8.9 %Yuma County8.9Hinsdale County: 8.8 %Hinsdale County8.8San Miguel County: 8.8 %San Miguel County8.8Sedgwick County: 8.7 %Sedgwick County8.7Jackson County: 8.4 %Jackson County8.4Kiowa County: 8.3 %Kiowa County8.3Custer County: 8.2 %Custer County8.2San Juan County: 8.2 %San Juan County8.2Archuleta County: 8 %Archuleta County8Eagle County: 7.8 %Eagle County7.8Garfield County: 7.2 %Garfield County7.2Lincoln County: 7 %Lincoln County7Morgan County: 7 %Morgan County7Alamosa County: 6.9 %Alamosa County6.9Dolores County: 6.9 %Dolores County6.9Montezuma County: 6.9 %Montezuma County6.9Washington County: 6.9 %Washington County6.9Mineral County: 6.8 %Mineral County6.8Prowers County: 6.7 %Prowers County6.7Rio Grande County: 6.7 %Rio Grande County6.7Chaffee County: 6.6 %Chaffee County6.6Costilla County: 6.4 %Costilla County6.4Delta County: 6.4 %Delta County6.4Grand County: 6.4 %Grand County6.4Montrose County: 6.4 %Montrose County6.4Crowley County: 6.2 %Crowley County6.2Ouray County: 6.2 %Ouray County6.2Conejos County: 6.1 %Conejos County6.1Summit County: 6.1 %Summit County6.1Lake County: 6 %Lake County6Las Animas County: 6 %Las Animas County6Bent County: 5.9 %Bent County5.9Logan County: 5.9 %Logan County5.9Park County: 5.9 %Park County5.9
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2018 (%)Change on 2017
1Baca County11.4-3.5 pts
2Cheyenne County10.9-1.8 pts
3Phillips County10.2+1 pts
4Kit Carson County9.7-0.4 pts
5Saguache County9.5-0.4 pts
6Pitkin County8.9-1.5 pts
6Yuma County8.90 pts
8Hinsdale County8.8+0.5 pts
8San Miguel County8.8-1.2 pts
10Sedgwick County8.7-0.5 pts
11Jackson County8.4-0.6 pts
12Kiowa County8.3-1.9 pts
13Custer County8.2-2.2 pts
13San Juan County8.2+3.4 pts
15Archuleta County8-0.7 pts
16Eagle County7.8-0.2 pts
17Garfield County7.2-0.3 pts
18Lincoln County7-0.9 pts
18Morgan County7+0.3 pts
20Alamosa County6.9+0.4 pts
20Dolores County6.9-1.2 pts
20Montezuma County6.9-2.4 pts
20Washington County6.9-0.1 pts
24Mineral County6.8-2 pts
25Prowers County6.7+0.1 pts
25Rio Grande County6.7-0.9 pts
27Chaffee County6.6+0.2 pts
28Costilla County6.4-0.7 pts
28Delta County6.4+0.9 pts
28Grand County6.4-0.8 pts
28Montrose County6.4+0.2 pts
32Crowley County6.2-0.5 pts
32Ouray County6.2-1.3 pts
34Conejos County6.1-0.3 pts
34Summit County6.1-1.2 pts
36Lake County6+0.4 pts
36Las Animas County6-0.9 pts
38Bent County5.9+0.8 pts
38Logan County5.9+0.5 pts
38Park County5.9-0.7 pts
38Rio Blanco County5.9-1 pts
42La Plata County5.8-1.8 pts
43Routt County5.5-0.1 pts
44Gunnison County5.4-0.8 pts
44Moffat County5.4-0.5 pts
46Adams County5.2+0.5 pts
46Arapahoe County5.2+1.2 pts
46Otero County5.2-0.2 pts
49Mesa County5.1+0.4 pts
49Weld County5.1-0.1 pts
51Elbert County5-1.2 pts
52El Paso County4.9+1.4 pts
53Teller County4.7-1 pts
54Clear Creek County4.6+0.3 pts
54Denver County4.6-0.6 pts
54Huerfano County4.6+0.2 pts
57Larimer County4.3-0.3 pts
58Boulder County4.1-0.1 pts
58Fremont County4.1-1 pts
60Jefferson County4+0.2 pts
61Pueblo County3.6-0.8 pts
62Gilpin County3.1-0.4 pts
63Broomfield County2.9+0.2 pts
64Douglas County2.6+0.2 pts

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of all people under 19. 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. Under 19 matches the age limit for children in Medicaid and the Children's Health Insurance Program (CHIP).

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-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, under 19, all races, both sexes, all income levels, states and counties (Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_by_2018,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties: Counties in Colorado by uninsured rate, under 19 (US model-based estimate), 2018
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-2018-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/colorado-counties?period=2018.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, under 19 (US model-based estimate)?

Baca County, with 11.4% in 2018, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US model-based estimate)?

Douglas County, with 2.6% in 2018.

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, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 19 (US model-based estimate): other rankings

Counties in Colorado: more rankings