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

Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate)

Saguache County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 64 counties in 2014, at 25.2%. Douglas County had the lowest, at 5.9%. The median was 15.4% and the figure for Colorado was 14%. Source: the U.S. Census Bureau.

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Highest25.2Saguache County
Lowest5.9Douglas County
Median15.464 counties
Colorado14History

Map of counties, 2014

Adams County: 19.3 %Alamosa County: 18.5 %Arapahoe County: 14.7 %Archuleta County: 18.2 %Baca County: 19.1 %Bent County: 14.9 %Boulder County: 11.6 %Broomfield County: 8 %Chaffee County: 13.5 %Cheyenne County: 19.2 %Clear Creek County: 8.1 %Conejos County: 16.6 %Costilla County: 23.3 %Crowley County: 15.1 %Custer County: 16.6 %Delta County: 18.7 %Denver County: 16.4 %Dolores County: 17.6 %Douglas County: 5.9 %Eagle County: 18.9 %Elbert County: 9.6 %El Paso County: 12.4 %Fremont County: 14.1 %Garfield County: 21.2 %Gilpin County: 7 %Grand County: 15.2 %Gunnison County: 16.6 %Hinsdale County: 16.2 %Huerfano County: 15.7 %Jackson County: 18.9 %Jefferson County: 10.9 %Kiowa County: 13.5 %Kit Carson County: 19.1 %Lake County: 19.8 %La Plata County: 15.8 %Larimer County: 12 %Las Animas County: 15.5 %Lincoln County: 13.6 %Logan County: 15.1 %Mesa County: 15.6 %Mineral County: 12.4 %Moffat County: 14.3 %Montezuma County: 20.2 %Montrose County: 18.3 %Morgan County: 18.9 %Otero County: 16.8 %Ouray County: 12.5 %Park County: 12.4 %Phillips County: 18.3 %Pitkin County: 14.4 %Prowers County: 20.4 %Pueblo County: 14.3 %Rio Blanco County: 13.7 %Rio Grande County: 18 %Routt County: 13 %Saguache County: 25.2 %San Juan County: 13.6 %San Miguel County: 14 %Sedgwick County: 15.7 %Summit County: 14 %Teller County: 11.2 %Washington County: 15.1 %Weld County: 14.8 %Yuma County: 19.3 %
  • Under 12
  • 12 to 14
  • 14 to 15
  • 15 to 17
  • 17 to 19
  • 19 and over
%, 2014. 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.

Top 40 counties, 2014

Saguache County: 25.2 %Saguache County25.2Costilla County: 23.3 %Costilla County23.3Garfield County: 21.2 %Garfield County21.2Prowers County: 20.4 %Prowers County20.4Montezuma County: 20.2 %Montezuma County20.2Lake County: 19.8 %Lake County19.8Adams County: 19.3 %Adams County19.3Yuma County: 19.3 %Yuma County19.3Cheyenne County: 19.2 %Cheyenne County19.2Baca County: 19.1 %Baca County19.1Kit Carson County: 19.1 %Kit Carson County19.1Eagle County: 18.9 %Eagle County18.9Jackson County: 18.9 %Jackson County18.9Morgan County: 18.9 %Morgan County18.9Delta County: 18.7 %Delta County18.7Alamosa County: 18.5 %Alamosa County18.5Montrose County: 18.3 %Montrose County18.3Phillips County: 18.3 %Phillips County18.3Archuleta County: 18.2 %Archuleta County18.2Rio Grande County: 18 %Rio Grande County18Dolores County: 17.6 %Dolores County17.6Otero County: 16.8 %Otero County16.8Conejos County: 16.6 %Conejos County16.6Custer County: 16.6 %Custer County16.6Gunnison County: 16.6 %Gunnison County16.6Denver County: 16.4 %Denver County16.4Hinsdale County: 16.2 %Hinsdale County16.2La Plata County: 15.8 %La Plata County15.8Huerfano County: 15.7 %Huerfano County15.7Sedgwick County: 15.7 %Sedgwick County15.7Mesa County: 15.6 %Mesa County15.6Las Animas County: 15.5 %Las Animas County15.5Grand County: 15.2 %Grand County15.2Crowley County: 15.1 %Crowley County15.1Logan County: 15.1 %Logan County15.1Washington County: 15.1 %Washington County15.1Bent County: 14.9 %Bent County14.9Weld County: 14.8 %Weld County14.8Arapahoe County: 14.7 %Arapahoe County14.7Pitkin County: 14.4 %Pitkin County14.4Saguache County: 25.2 %Saguache County25.2Costilla County: 23.3 %Costilla County23.3Garfield County: 21.2 %Garfield County21.2Prowers County: 20.4 %Prowers County20.4Montezuma County: 20.2 %Montezuma County20.2Lake County: 19.8 %Lake County19.8Adams County: 19.3 %Adams County19.3Yuma County: 19.3 %Yuma County19.3Cheyenne County: 19.2 %Cheyenne County19.2Baca County: 19.1 %Baca County19.1Kit Carson County: 19.1 %Kit Carson County19.1Eagle County: 18.9 %Eagle County18.9Jackson County: 18.9 %Jackson County18.9Morgan County: 18.9 %Morgan County18.9Delta County: 18.7 %Delta County18.7Alamosa County: 18.5 %Alamosa County18.5Montrose County: 18.3 %Montrose County18.3Phillips County: 18.3 %Phillips County18.3Archuleta County: 18.2 %Archuleta County18.2Rio Grande County: 18 %Rio Grande County18Dolores County: 17.6 %Dolores County17.6Otero County: 16.8 %Otero County16.8Conejos County: 16.6 %Conejos County16.6Custer County: 16.6 %Custer County16.6Gunnison County: 16.6 %Gunnison County16.6Denver County: 16.4 %Denver County16.4Hinsdale County: 16.2 %Hinsdale County16.2La Plata County: 15.8 %La Plata County15.8Huerfano County: 15.7 %Huerfano County15.7Sedgwick County: 15.7 %Sedgwick County15.7Mesa County: 15.6 %Mesa County15.6Las Animas County: 15.5 %Las Animas County15.5Grand County: 15.2 %Grand County15.2Crowley County: 15.1 %Crowley County15.1Logan County: 15.1 %Logan County15.1Washington County: 15.1 %Washington County15.1Bent County: 14.9 %Bent County14.9Weld County: 14.8 %Weld County14.8Arapahoe County: 14.7 %Arapahoe County14.7Pitkin County: 14.4 %Pitkin County14.4
%. 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

RankCounties2014 (%)Change on 2013
1Saguache County25.2-9.1 pts
2Costilla County23.3-11.1 pts
3Garfield County21.2-6.1 pts
4Prowers County20.4-6.3 pts
5Montezuma County20.2-6 pts
6Lake County19.8-9.6 pts
7Adams County19.3-6.3 pts
7Yuma County19.3-7.7 pts
9Cheyenne County19.2-7.7 pts
10Baca County19.1-11.4 pts
10Kit Carson County19.1-8.9 pts
12Eagle County18.9-6.5 pts
12Jackson County18.9-7.1 pts
12Morgan County18.9-5.6 pts
15Delta County18.7-6.3 pts
16Alamosa County18.5-4.6 pts
17Montrose County18.3-7.9 pts
17Phillips County18.3-7.2 pts
19Archuleta County18.2-8.3 pts
20Rio Grande County18-7.1 pts
21Dolores County17.6-9.4 pts
22Otero County16.8-5.2 pts
23Conejos County16.6-7.3 pts
23Custer County16.6-7.9 pts
23Gunnison County16.6-9.9 pts
26Denver County16.4-4.9 pts
27Hinsdale County16.2-4.2 pts
28La Plata County15.8-4.8 pts
29Huerfano County15.7-7.9 pts
29Sedgwick County15.7-7.4 pts
31Mesa County15.6-5 pts
32Las Animas County15.5-6.1 pts
33Grand County15.2-5.4 pts
34Crowley County15.1-7.7 pts
34Logan County15.1-7.2 pts
34Washington County15.1-6 pts
37Bent County14.9-5.7 pts
38Weld County14.8-5.6 pts
39Arapahoe County14.7-4.8 pts
40Pitkin County14.4-4.9 pts
41Moffat County14.3-6.6 pts
41Pueblo County14.3-4.5 pts
43Fremont County14.1-5.7 pts
44San Miguel County14-10.6 pts
44Summit County14-8.9 pts
46Rio Blanco County13.7-4.8 pts
47Lincoln County13.6-7.2 pts
47San Juan County13.6-11.4 pts
49Chaffee County13.5-6.9 pts
49Kiowa County13.5-8.2 pts
51Routt County13-4.5 pts
52Ouray County12.5-9.6 pts
53El Paso County12.4-3.9 pts
53Mineral County12.4-5 pts
53Park County12.4-6.6 pts
56Larimer County12-4.3 pts
57Boulder County11.6-4.2 pts
58Teller County11.2-5.1 pts
59Jefferson County10.9-3.9 pts
60Elbert County9.6-4.9 pts
61Clear Creek County8.1-5.5 pts
62Broomfield County8-4.4 pts
63Gilpin County7-3.1 pts
64Douglas County5.9-3.3 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 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, 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-2014-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 (Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-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, Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014. 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. Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014.

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, Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_colorado_by_2014,
  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: Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014. 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-2014-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: Counties in Colorado by uninsured rate, ages 18 to 64 (US model-based estimate), 2014
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-2014-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/colorado-counties?period=2014.
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-2014-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

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

Saguache County, with 25.2% in 2014, according to the U.S. Census Bureau.

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

Douglas County, with 5.9% in 2014.

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

Counties in Colorado: more rankings