Data / Rankings / Uninsured rate, under 19 (US, ACS) / Counties in Washington

Counties in Washington by uninsured rate, under 19 (US, ACS)

Wahkiakum County had the highest uninsured rate, under 19 (US, ACS) of 39 counties in 2021, at 8.4%. Columbia County had the lowest, at 1.2%. The median was 3.1% and the figure for Washington was 2.9%. Source: the U.S. Census Bureau.

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Highest8.4Wahkiakum County
Lowest1.2Columbia County
Median3.139 counties
Washington2.9History

Map of counties, 2021

Adams County: 3 %Asotin County: 3.3 %Benton County: 2.2 %Chelan County: 2.7 %Clallam County: 4.9 %Clark County: 3.2 %Columbia County: 1.2 %Cowlitz County: 2.5 %Douglas County: 2.6 %Ferry County: 4.4 %Franklin County: 6.2 %Garfield County: 4.9 %Grant County: 1.6 %Grays Harbor County: 2.3 %Island County: 2.6 %Jefferson County: 2.5 %King County: 2.2 %Kitsap County: 3.4 %Kittitas County: 3.7 %Klickitat County: 3.7 %Lewis County: 2.9 %Lincoln County: 2.3 %Mason County: 2.5 %Okanogan County: 3 %Pacific County: 4.9 %Pend Oreille County: 7.4 %Pierce County: 3.1 %San Juan County: 6 %Skagit County: 3.1 %Skamania County: 5 %Snohomish County: 3.2 %Spokane County: 2.4 %Stevens County: 6.7 %Thurston County: 2.4 %Wahkiakum County: 8.4 %Walla Walla County: 2.9 %Whatcom County: 3.4 %Whitman County: 2.7 %Yakima County: 5.1 %
  • Under 2.4
  • 2.4 to 2.7
  • 2.7 to 3
  • 3 to 3.5
  • 3.5 to 5
  • 5 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Wahkiakum County: 8.4 %Wahkiakum County8.4Pend Oreille County: 7.4 %Pend Oreille County7.4Stevens County: 6.7 %Stevens County6.7Franklin County: 6.2 %Franklin County6.2San Juan County: 6 %San Juan County6Yakima County: 5.1 %Yakima County5.1Skamania County: 5 %Skamania County5Clallam County: 4.9 %Clallam County4.9Pacific County: 4.9 %Pacific County4.9Garfield County: 4.9 %Garfield County4.9Ferry County: 4.4 %Ferry County4.4Kittitas County: 3.7 %Kittitas County3.7Klickitat County: 3.7 %Klickitat County3.7Kitsap County: 3.4 %Kitsap County3.4Whatcom County: 3.4 %Whatcom County3.4Asotin County: 3.3 %Asotin County3.3Clark County: 3.2 %Clark County3.2Snohomish County: 3.2 %Snohomish County3.2Pierce County: 3.1 %Pierce County3.1Skagit County: 3.1 %Skagit County3.1Adams County: 3 %Adams County3Okanogan County: 3 %Okanogan County3Walla Walla County: 2.9 %Walla Walla County2.9Lewis County: 2.9 %Lewis County2.9Whitman County: 2.7 %Whitman County2.7Chelan County: 2.7 %Chelan County2.7Island County: 2.6 %Island County2.6Douglas County: 2.6 %Douglas County2.6Cowlitz County: 2.5 %Cowlitz County2.5Jefferson County: 2.5 %Jefferson County2.5Mason County: 2.5 %Mason County2.5Spokane County: 2.4 %Spokane County2.4Thurston County: 2.4 %Thurston County2.4Grays Harbor County: 2.3 %Grays Harbor County2.3Lincoln County: 2.3 %Lincoln County2.3Benton County: 2.2 %Benton County2.2King County: 2.2 %King County2.2Grant County: 1.6 %Grant County1.6Columbia County: 1.2 %Columbia County1.2Wahkiakum County: 8.4 %Wahkiakum County8.4Pend Oreille County: 7.4 %Pend Oreille County7.4Stevens County: 6.7 %Stevens County6.7Franklin County: 6.2 %Franklin County6.2San Juan County: 6 %San Juan County6Yakima County: 5.1 %Yakima County5.1Skamania County: 5 %Skamania County5Clallam County: 4.9 %Clallam County4.9Pacific County: 4.9 %Pacific County4.9Garfield County: 4.9 %Garfield County4.9Ferry County: 4.4 %Ferry County4.4Kittitas County: 3.7 %Kittitas County3.7Klickitat County: 3.7 %Klickitat County3.7Kitsap County: 3.4 %Kitsap County3.4Whatcom County: 3.4 %Whatcom County3.4Asotin County: 3.3 %Asotin County3.3Clark County: 3.2 %Clark County3.2Snohomish County: 3.2 %Snohomish County3.2Pierce County: 3.1 %Pierce County3.1Skagit County: 3.1 %Skagit County3.1Adams County: 3 %Adams County3Okanogan County: 3 %Okanogan County3Walla Walla County: 2.9 %Walla Walla County2.9Lewis County: 2.9 %Lewis County2.9Whitman County: 2.7 %Whitman County2.7Chelan County: 2.7 %Chelan County2.7Island County: 2.6 %Island County2.6Douglas County: 2.6 %Douglas County2.6Cowlitz County: 2.5 %Cowlitz County2.5Jefferson County: 2.5 %Jefferson County2.5Mason County: 2.5 %Mason County2.5Spokane County: 2.4 %Spokane County2.4Thurston County: 2.4 %Thurston County2.4Grays Harbor County: 2.3 %Grays Harbor County2.3Lincoln County: 2.3 %Lincoln County2.3Benton County: 2.2 %Benton County2.2King County: 2.2 %King County2.2Grant County: 1.6 %Grant County1.6Columbia County: 1.2 %Columbia County1.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Wahkiakum County8.4
2Pend Oreille County7.4
3Stevens County6.7
4Franklin County6.2
5San Juan County6
6Yakima County5.1
7Skamania County5
8Clallam County4.9
8Pacific County4.9
10Garfield County4.9
11Ferry County4.4
12Kittitas County3.7
13Klickitat County3.7
14Kitsap County3.4
15Whatcom County3.4
16Asotin County3.3
17Clark County3.2
18Snohomish County3.2
19Pierce County3.1
20Skagit County3.1
21Adams County3
22Okanogan County3
23Walla Walla County2.9
24Lewis County2.9
25Whitman County2.7
26Chelan County2.7
27Island County2.6
28Douglas County2.6
29Cowlitz County2.5
30Jefferson County2.5
31Mason County2.5
32Spokane County2.4
33Thurston County2.4
34Grays Harbor County2.3
35Lincoln County2.3
36Benton County2.2
36King County2.2
38Grant County1.6
39Columbia County1.2

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population under 19. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs (Counties in Washington by uninsured rate, under 19 (US, ACS), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs, Counties in Washington by uninsured rate, under 19 (US, ACS), 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. Counties in Washington by uninsured rate, under 19 (US, ACS), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs, Counties in Washington by uninsured rate, under 19 (US, ACS), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_washington_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs: Counties in Washington by uninsured rate, under 19 (US, ACS), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs: Counties in Washington by uninsured rate, under 19 (US, ACS), 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19-acs/washington-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, under 19 (US, ACS)?

Wahkiakum County, with 8.4% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US, ACS)?

Columbia County, with 1.2% 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, American Community Survey 5-year estimates, table B27010: people under 19 with no health insurance coverage as a percentage of the civilian noninstitutionalized population under 19, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, under 19 (US, ACS): other rankings

Counties in Washington: more rankings