Data / Rankings / Uninsured rate, under 65 (US model-based estimate) / Counties in New Hampshire

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

Coos County had the highest uninsured rate, under 65 (US model-based estimate) of 10 counties in 2021, at 8%. Rockingham County had the lowest, at 5%. The median was 6.9% and the figure for New Hampshire was 6.3%. Source: the U.S. Census Bureau.

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Highest8Coos County
Lowest5Rockingham County
Median6.910 counties
New Hampshire6.3History

Map of counties, 2021

Belknap County: 7.2 %Carroll County: 7.3 %Cheshire County: 7.3 %Coos County: 8 %Grafton County: 6.6 %Hillsborough County: 6.7 %Merrimack County: 6.4 %Rockingham County: 5 %Strafford County: 6.2 %Sullivan County: 7 %
  • Under 6.4
  • 6.4 to 6.7
  • 6.7 to 7.1
  • 7.1 to 7.3
  • 7.3 and over
%, 2021. 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.

All counties, 2021

Coos County: 8 %Coos County8Carroll County: 7.3 %Carroll County7.3Cheshire County: 7.3 %Cheshire County7.3Belknap County: 7.2 %Belknap County7.2Sullivan County: 7 %Sullivan County7Hillsborough County: 6.7 %Hillsborough County6.7Grafton County: 6.6 %Grafton County6.6Merrimack County: 6.4 %Merrimack County6.4Strafford County: 6.2 %Strafford County6.2Rockingham County: 5 %Rockingham County5Coos County: 8 %Coos County8Carroll County: 7.3 %Carroll County7.3Cheshire County: 7.3 %Cheshire County7.3Belknap County: 7.2 %Belknap County7.2Sullivan County: 7 %Sullivan County7Hillsborough County: 6.7 %Hillsborough County6.7Grafton County: 6.6 %Grafton County6.6Merrimack County: 6.4 %Merrimack County6.4Strafford County: 6.2 %Strafford County6.2Rockingham County: 5 %Rockingham County5
%. 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

RankCounties2021 (%)Change on 2020
1Coos County8-1.9 pts
2Carroll County7.3-3.3 pts
2Cheshire County7.3-0.9 pts
4Belknap County7.2-2.4 pts
5Sullivan County7-1.6 pts
6Hillsborough County6.7-1.1 pts
7Grafton County6.6-2.5 pts
8Merrimack County6.4-1.6 pts
9Strafford County6.2-2 pts
10Rockingham County5-1.3 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-2021-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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021. 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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021.

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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_hampshire_2021,
  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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021. 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-2021-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 New Hampshire by uninsured rate, under 65 (US model-based estimate), 2021
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-2021-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/new-hampshire-counties?period=2021.
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-2021-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)?

Coos County, with 8% in 2021, according to the U.S. Census Bureau.

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

Rockingham County, with 5% in 2021.

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 New Hampshire: more rankings