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

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

McKinley County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 33 counties in 2018, at 20.8%. Los Alamos County had the lowest, at 2.7%. The median was 13.1% and the figure for New Mexico was 14%. Source: the U.S. Census Bureau.

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Highest20.8McKinley County
Lowest2.7Los Alamos County
Median13.133 counties
New Mexico14History

Map of counties, 2018

Bernalillo County: 13.1 %Catron County: 8.4 %Chaves County: 14.1 %Cibola County: 14.5 %Colfax County: 10.7 %Curry County: 13.5 %De Baca County: 12.9 %Doña Ana County: 15.5 %Eddy County: 11.5 %Grant County: 9.2 %Guadalupe County: 8.8 %Harding County: 8.2 %Hidalgo County: 11.7 %Lea County: 16 %Lincoln County: 14 %Los Alamos County: 2.7 %Luna County: 16.1 %McKinley County: 20.8 %Mora County: 9.2 %Otero County: 14.3 %Quay County: 11.7 %Rio Arriba County: 13.7 %Roosevelt County: 14.9 %Sandoval County: 12.7 %San Juan County: 16.7 %San Miguel County: 9.7 %Santa Fe County: 15.9 %Sierra County: 12.1 %Socorro County: 14 %Taos County: 14 %Torrance County: 12.4 %Union County: 13.1 %Valencia County: 15.2 %
  • Under 9.4
  • 9.4 to 12
  • 12 to 13
  • 13 to 14
  • 14 to 15
  • 15 and over
%, 2018. 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.

All counties, 2018

McKinley County: 20.8 %McKinley County20.8San Juan County: 16.7 %San Juan County16.7Luna County: 16.1 %Luna County16.1Lea County: 16 %Lea County16Santa Fe County: 15.9 %Santa Fe County15.9Doña Ana County: 15.5 %Doña Ana County15.5Valencia County: 15.2 %Valencia County15.2Roosevelt County: 14.9 %Roosevelt County14.9Cibola County: 14.5 %Cibola County14.5Otero County: 14.3 %Otero County14.3Chaves County: 14.1 %Chaves County14.1Lincoln County: 14 %Lincoln County14Socorro County: 14 %Socorro County14Taos County: 14 %Taos County14Rio Arriba County: 13.7 %Rio Arriba County13.7Curry County: 13.5 %Curry County13.5Bernalillo County: 13.1 %Bernalillo County13.1Union County: 13.1 %Union County13.1De Baca County: 12.9 %De Baca County12.9Sandoval County: 12.7 %Sandoval County12.7Torrance County: 12.4 %Torrance County12.4Sierra County: 12.1 %Sierra County12.1Hidalgo County: 11.7 %Hidalgo County11.7Quay County: 11.7 %Quay County11.7Eddy County: 11.5 %Eddy County11.5Colfax County: 10.7 %Colfax County10.7San Miguel County: 9.7 %San Miguel County9.7Grant County: 9.2 %Grant County9.2Mora County: 9.2 %Mora County9.2Guadalupe County: 8.8 %Guadalupe County8.8Catron County: 8.4 %Catron County8.4Harding County: 8.2 %Harding County8.2Los Alamos County: 2.7 %Los Alamos County2.7McKinley County: 20.8 %McKinley County20.8San Juan County: 16.7 %San Juan County16.7Luna County: 16.1 %Luna County16.1Lea County: 16 %Lea County16Santa Fe County: 15.9 %Santa Fe County15.9Doña Ana County: 15.5 %Doña Ana County15.5Valencia County: 15.2 %Valencia County15.2Roosevelt County: 14.9 %Roosevelt County14.9Cibola County: 14.5 %Cibola County14.5Otero County: 14.3 %Otero County14.3Chaves County: 14.1 %Chaves County14.1Lincoln County: 14 %Lincoln County14Socorro County: 14 %Socorro County14Taos County: 14 %Taos County14Rio Arriba County: 13.7 %Rio Arriba County13.7Curry County: 13.5 %Curry County13.5Bernalillo County: 13.1 %Bernalillo County13.1Union County: 13.1 %Union County13.1De Baca County: 12.9 %De Baca County12.9Sandoval County: 12.7 %Sandoval County12.7Torrance County: 12.4 %Torrance County12.4Sierra County: 12.1 %Sierra County12.1Hidalgo County: 11.7 %Hidalgo County11.7Quay County: 11.7 %Quay County11.7Eddy County: 11.5 %Eddy County11.5Colfax County: 10.7 %Colfax County10.7San Miguel County: 9.7 %San Miguel County9.7Grant County: 9.2 %Grant County9.2Mora County: 9.2 %Mora County9.2Guadalupe County: 8.8 %Guadalupe County8.8Catron County: 8.4 %Catron County8.4Harding County: 8.2 %Harding County8.2Los Alamos County: 2.7 %Los Alamos County2.7
%. 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

RankCounties2018 (%)Change on 2017
1McKinley County20.8-1.9 pts
2San Juan County16.7-0.5 pts
3Luna County16.1-0.7 pts
4Lea County16+0.6 pts
5Santa Fe County15.9+0.5 pts
6Doña Ana County15.5+1.2 pts
7Valencia County15.2+1.8 pts
8Roosevelt County14.9-1.5 pts
9Cibola County14.5-1.5 pts
10Otero County14.3+1.2 pts
11Chaves County14.1-0.4 pts
12Lincoln County14-0.5 pts
12Socorro County14-1 pts
12Taos County14-0.7 pts
15Rio Arriba County13.7-0.3 pts
16Curry County13.5+1.4 pts
17Bernalillo County13.1+1.3 pts
17Union County13.1+0.8 pts
19De Baca County12.9-2.3 pts
20Sandoval County12.7+1.1 pts
21Torrance County12.4+0.4 pts
22Sierra County12.1+0.8 pts
23Hidalgo County11.7-0.1 pts
23Quay County11.7+0.7 pts
25Eddy County11.5+0.8 pts
26Colfax County10.7+0.2 pts
27San Miguel County9.7-0.5 pts
28Grant County9.2+0.1 pts
28Mora County9.2-1.6 pts
30Guadalupe County8.8-1.2 pts
31Catron County8.4-1.8 pts
32Harding County8.2-0.6 pts
33Los Alamos County2.7-0.7 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-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, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in New Mexico by uninsured rate, ages 18 to 64 (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, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in New Mexico by uninsured rate, ages 18 to 64 (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-ages-18-64/new-mexico-counties?period=2018. 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 New Mexico by uninsured rate, ages 18 to 64 (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-ages-18-64/new-mexico-counties?period=2018.

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 New Mexico by uninsured rate, ages 18 to 64 (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-ages-18-64/new-mexico-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_mexico_2018,
  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 New Mexico by uninsured rate, ages 18 to 64 (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-ages-18-64/new-mexico-counties?period=2018. 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-2018-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 New Mexico by uninsured rate, ages 18 to 64 (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-ages-18-64/new-mexico-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/new-mexico-counties?period=2018.
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-2018-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)?

McKinley County, with 20.8% in 2018, according to the U.S. Census Bureau.

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

Los Alamos County, with 2.7% 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, 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 New Mexico: more rankings