Counties in Colorado by uninsured rate, under 65 (US model-based estimate)

Saguache County had the highest uninsured rate, under 65 (US model-based estimate) of 64 counties in 2019, at 18.1%. Gilpin County had the lowest, at 4.3%. The median was 11.2% and the figure for Colorado was 9.4%. Source: the U.S. Census Bureau.

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Highest18.1Saguache County
Lowest4.3Gilpin County
Median11.264 counties
Colorado9.4History

Map of counties, 2019

Adams County: 12.3 %Alamosa County: 13.1 %Arapahoe County: 9.6 %Archuleta County: 13.8 %Baca County: 15.8 %Bent County: 10.9 %Boulder County: 7.7 %Broomfield County: 5.3 %Chaffee County: 11.3 %Cheyenne County: 14.6 %Clear Creek County: 7.2 %Conejos County: 11.1 %Costilla County: 15.3 %Crowley County: 12.5 %Custer County: 12.9 %Delta County: 11.5 %Denver County: 10.1 %Dolores County: 10.5 %Douglas County: 4.3 %Eagle County: 13.7 %Elbert County: 7.1 %El Paso County: 9 %Fremont County: 9.2 %Garfield County: 15.7 %Gilpin County: 4.3 %Grand County: 11.2 %Gunnison County: 9.9 %Hinsdale County: 12.2 %Huerfano County: 8.8 %Jackson County: 15.2 %Jefferson County: 7.5 %Kiowa County: 10.5 %Kit Carson County: 14.5 %Lake County: 14.4 %La Plata County: 11.3 %Larimer County: 7.7 %Las Animas County: 13.2 %Lincoln County: 10.4 %Logan County: 11.2 %Mesa County: 10.9 %Mineral County: 11 %Moffat County: 10 %Montezuma County: 13.9 %Montrose County: 12.9 %Morgan County: 14.9 %Otero County: 11.4 %Ouray County: 8.6 %Park County: 8.8 %Phillips County: 13.5 %Pitkin County: 10.6 %Prowers County: 14.6 %Pueblo County: 9.6 %Rio Blanco County: 9.5 %Rio Grande County: 14.2 %Routt County: 9.6 %Saguache County: 18.1 %San Juan County: 12.2 %San Miguel County: 12.3 %Sedgwick County: 12.4 %Summit County: 12.1 %Teller County: 8 %Washington County: 10.6 %Weld County: 10.9 %Yuma County: 15.1 %
  • Under 8.8
  • 8.8 to 10
  • 10 to 11
  • 11 to 12
  • 12 to 14
  • 14 and over
%, 2019. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2019

Saguache County: 18.1 %Saguache County18.1Baca County: 15.8 %Baca County15.8Garfield County: 15.7 %Garfield County15.7Costilla County: 15.3 %Costilla County15.3Jackson County: 15.2 %Jackson County15.2Yuma County: 15.1 %Yuma County15.1Morgan County: 14.9 %Morgan County14.9Cheyenne County: 14.6 %Cheyenne County14.6Prowers County: 14.6 %Prowers County14.6Kit Carson County: 14.5 %Kit Carson County14.5Lake County: 14.4 %Lake County14.4Rio Grande County: 14.2 %Rio Grande County14.2Montezuma County: 13.9 %Montezuma County13.9Archuleta County: 13.8 %Archuleta County13.8Eagle County: 13.7 %Eagle County13.7Phillips County: 13.5 %Phillips County13.5Las Animas County: 13.2 %Las Animas County13.2Alamosa County: 13.1 %Alamosa County13.1Custer County: 12.9 %Custer County12.9Montrose County: 12.9 %Montrose County12.9Crowley County: 12.5 %Crowley County12.5Sedgwick County: 12.4 %Sedgwick County12.4Adams County: 12.3 %Adams County12.3San Miguel County: 12.3 %San Miguel County12.3Hinsdale County: 12.2 %Hinsdale County12.2San Juan County: 12.2 %San Juan County12.2Summit County: 12.1 %Summit County12.1Delta County: 11.5 %Delta County11.5Otero County: 11.4 %Otero County11.4Chaffee County: 11.3 %Chaffee County11.3La Plata County: 11.3 %La Plata County11.3Grand County: 11.2 %Grand County11.2Logan County: 11.2 %Logan County11.2Conejos County: 11.1 %Conejos County11.1Mineral County: 11 %Mineral County11Bent County: 10.9 %Bent County10.9Mesa County: 10.9 %Mesa County10.9Weld County: 10.9 %Weld County10.9Pitkin County: 10.6 %Pitkin County10.6Washington County: 10.6 %Washington County10.6Saguache County: 18.1 %Saguache County18.1Baca County: 15.8 %Baca County15.8Garfield County: 15.7 %Garfield County15.7Costilla County: 15.3 %Costilla County15.3Jackson County: 15.2 %Jackson County15.2Yuma County: 15.1 %Yuma County15.1Morgan County: 14.9 %Morgan County14.9Cheyenne County: 14.6 %Cheyenne County14.6Prowers County: 14.6 %Prowers County14.6Kit Carson County: 14.5 %Kit Carson County14.5Lake County: 14.4 %Lake County14.4Rio Grande County: 14.2 %Rio Grande County14.2Montezuma County: 13.9 %Montezuma County13.9Archuleta County: 13.8 %Archuleta County13.8Eagle County: 13.7 %Eagle County13.7Phillips County: 13.5 %Phillips County13.5Las Animas County: 13.2 %Las Animas County13.2Alamosa County: 13.1 %Alamosa County13.1Custer County: 12.9 %Custer County12.9Montrose County: 12.9 %Montrose County12.9Crowley County: 12.5 %Crowley County12.5Sedgwick County: 12.4 %Sedgwick County12.4Adams County: 12.3 %Adams County12.3San Miguel County: 12.3 %San Miguel County12.3Hinsdale County: 12.2 %Hinsdale County12.2San Juan County: 12.2 %San Juan County12.2Summit County: 12.1 %Summit County12.1Delta County: 11.5 %Delta County11.5Otero County: 11.4 %Otero County11.4Chaffee County: 11.3 %Chaffee County11.3La Plata County: 11.3 %La Plata County11.3Grand County: 11.2 %Grand County11.2Logan County: 11.2 %Logan County11.2Conejos County: 11.1 %Conejos County11.1Mineral County: 11 %Mineral County11Bent County: 10.9 %Bent County10.9Mesa County: 10.9 %Mesa County10.9Weld County: 10.9 %Weld County10.9Pitkin County: 10.6 %Pitkin County10.6Washington County: 10.6 %Washington County10.6
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2019 (%)Change on 2018
1Saguache County18.1+0.7 pts
2Baca County15.8+1 pts
3Garfield County15.7+1.8 pts
4Costilla County15.3+1 pts
5Jackson County15.2+1.5 pts
6Yuma County15.1+0.5 pts
7Morgan County14.9+2 pts
8Cheyenne County14.6+1.4 pts
8Prowers County14.6+0.7 pts
10Kit Carson County14.5+0.1 pts
11Lake County14.4+0.8 pts
12Rio Grande County14.2+0.1 pts
13Montezuma County13.9+0.8 pts
14Archuleta County13.8+0.4 pts
15Eagle County13.7+1.2 pts
16Phillips County13.5-0.4 pts
17Las Animas County13.2+0.7 pts
18Alamosa County13.1-0.8 pts
19Custer County12.9+1.4 pts
19Montrose County12.9+1.1 pts
21Crowley County12.5+0.7 pts
22Sedgwick County12.4+0.2 pts
23Adams County12.3+1.7 pts
23San Miguel County12.3-0.1 pts
25Hinsdale County12.2+1.3 pts
25San Juan County12.2+1.8 pts
27Summit County12.1+0.2 pts
28Delta County11.5+0.4 pts
29Otero County11.4+0.8 pts
30Chaffee County11.3+0.3 pts
30La Plata County11.3+1.1 pts
32Grand County11.2+1 pts
32Logan County11.2+1.2 pts
34Conejos County11.1+0.3 pts
35Mineral County11+0.7 pts
36Bent County10.9+0.3 pts
36Mesa County10.9+0.7 pts
36Weld County10.9+1.5 pts
39Pitkin County10.6-1.1 pts
39Washington County10.6+1.3 pts
41Dolores County10.5-0.2 pts
41Kiowa County10.5+1.1 pts
43Lincoln County10.4+0.9 pts
44Denver County10.1-0.2 pts
45Moffat County10+0.4 pts
46Gunnison County9.9-1 pts
47Arapahoe County9.6+0.7 pts
47Pueblo County9.6+0.7 pts
47Routt County9.6+0.5 pts
50Rio Blanco County9.5+1.1 pts
51Fremont County9.2+0.7 pts
52El Paso County9+0.4 pts
53Huerfano County8.8+0.6 pts
53Park County8.8-0.1 pts
55Ouray County8.6-0.1 pts
56Teller County8+0.4 pts
57Boulder County7.7+0.3 pts
57Larimer County7.7+0.6 pts
59Jefferson County7.5+0.9 pts
60Clear Creek County7.2+0.5 pts
61Elbert County7.10 pts
62Broomfield County5.3+0.2 pts
63Douglas County4.3+0.4 pts
63Gilpin County4.3+0.5 pts

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. 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. People 65 and over are left out because nearly all of them have Medicare.

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 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-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 65, all races, both sexes, all income levels, states and counties (Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_by_2019,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Colorado by uninsured rate, under 65 (US model-based estimate), 2019
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-2019-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/colorado-counties?period=2019.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Retrieved 2026-10-12.
ER  - 
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Questions

Which county has the highest uninsured rate, under 65 (US model-based estimate)?

Saguache County, with 18.1% in 2019, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

Gilpin County, with 4.3% in 2019.

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

Uninsured rate, under 65 (US model-based estimate): other rankings

Counties in Colorado: more rankings