Counties in Washington by diagnosed diabetes in adults, local model estimate

Ferry County had the highest diagnosed diabetes in adults, local model estimate of 39 counties in 2022, at 15.4%. King County had the lowest, at 7.4%. The median was 11.8%. Source: the Centers for Disease Control and Prevention.

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Highest15.4Ferry County
Lowest7.4King County
Median11.839 counties

Map of counties, 2022

Adams County: 12.6 %Asotin County: 12.2 %Benton County: 10.3 %Chelan County: 11.1 %Clallam County: 11.9 %Clark County: 9.9 %Columbia County: 11.9 %Cowlitz County: 11.7 %Douglas County: 11.5 %Ferry County: 15.4 %Franklin County: 11.2 %Garfield County: 12.8 %Grant County: 11.8 %Grays Harbor County: 12.9 %Island County: 10.2 %Jefferson County: 12.2 %King County: 7.4 %Kitsap County: 9.4 %Kittitas County: 9.2 %Klickitat County: 12.7 %Lewis County: 11.9 %Lincoln County: 12.3 %Mason County: 11.9 %Okanogan County: 13.8 %Pacific County: 14.9 %Pend Oreille County: 12.4 %Pierce County: 9.8 %San Juan County: 11.7 %Skagit County: 10.5 %Skamania County: 11.9 %Snohomish County: 10.2 %Spokane County: 10.2 %Stevens County: 12.6 %Thurston County: 10.3 %Wahkiakum County: 13.4 %Walla Walla County: 10.8 %Whatcom County: 9.8 %Whitman County: 8.1 %Yakima County: 12.7 %
  • Under 10
  • 10 to 11
  • 11 to 12
  • 12 to 13
  • 13 and over
%, 2022. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Ferry County: 15.4 %Ferry County15.4Pacific County: 14.9 %Pacific County14.9Okanogan County: 13.8 %Okanogan County13.8Wahkiakum County: 13.4 %Wahkiakum County13.4Grays Harbor County: 12.9 %Grays Harbor County12.9Garfield County: 12.8 %Garfield County12.8Klickitat County: 12.7 %Klickitat County12.7Yakima County: 12.7 %Yakima County12.7Adams County: 12.6 %Adams County12.6Stevens County: 12.6 %Stevens County12.6Pend Oreille County: 12.4 %Pend Oreille County12.4Lincoln County: 12.3 %Lincoln County12.3Asotin County: 12.2 %Asotin County12.2Jefferson County: 12.2 %Jefferson County12.2Clallam County: 11.9 %Clallam County11.9Columbia County: 11.9 %Columbia County11.9Lewis County: 11.9 %Lewis County11.9Mason County: 11.9 %Mason County11.9Skamania County: 11.9 %Skamania County11.9Grant County: 11.8 %Grant County11.8Cowlitz County: 11.7 %Cowlitz County11.7San Juan County: 11.7 %San Juan County11.7Douglas County: 11.5 %Douglas County11.5Franklin County: 11.2 %Franklin County11.2Chelan County: 11.1 %Chelan County11.1Walla Walla County: 10.8 %Walla Walla County10.8Skagit County: 10.5 %Skagit County10.5Benton County: 10.3 %Benton County10.3Thurston County: 10.3 %Thurston County10.3Island County: 10.2 %Island County10.2Snohomish County: 10.2 %Snohomish County10.2Spokane County: 10.2 %Spokane County10.2Clark County: 9.9 %Clark County9.9Pierce County: 9.8 %Pierce County9.8Whatcom County: 9.8 %Whatcom County9.8Kitsap County: 9.4 %Kitsap County9.4Kittitas County: 9.2 %Kittitas County9.2Whitman County: 8.1 %Whitman County8.1King County: 7.4 %King County7.4Ferry County: 15.4 %Ferry County15.4Pacific County: 14.9 %Pacific County14.9Okanogan County: 13.8 %Okanogan County13.8Wahkiakum County: 13.4 %Wahkiakum County13.4Grays Harbor County: 12.9 %Grays Harbor County12.9Garfield County: 12.8 %Garfield County12.8Klickitat County: 12.7 %Klickitat County12.7Yakima County: 12.7 %Yakima County12.7Adams County: 12.6 %Adams County12.6Stevens County: 12.6 %Stevens County12.6Pend Oreille County: 12.4 %Pend Oreille County12.4Lincoln County: 12.3 %Lincoln County12.3Asotin County: 12.2 %Asotin County12.2Jefferson County: 12.2 %Jefferson County12.2Clallam County: 11.9 %Clallam County11.9Columbia County: 11.9 %Columbia County11.9Lewis County: 11.9 %Lewis County11.9Mason County: 11.9 %Mason County11.9Skamania County: 11.9 %Skamania County11.9Grant County: 11.8 %Grant County11.8Cowlitz County: 11.7 %Cowlitz County11.7San Juan County: 11.7 %San Juan County11.7Douglas County: 11.5 %Douglas County11.5Franklin County: 11.2 %Franklin County11.2Chelan County: 11.1 %Chelan County11.1Walla Walla County: 10.8 %Walla Walla County10.8Skagit County: 10.5 %Skagit County10.5Benton County: 10.3 %Benton County10.3Thurston County: 10.3 %Thurston County10.3Island County: 10.2 %Island County10.2Snohomish County: 10.2 %Snohomish County10.2Spokane County: 10.2 %Spokane County10.2Clark County: 9.9 %Clark County9.9Pierce County: 9.8 %Pierce County9.8Whatcom County: 9.8 %Whatcom County9.8Kitsap County: 9.4 %Kitsap County9.4Kittitas County: 9.2 %Kittitas County9.2Whitman County: 8.1 %Whitman County8.1King County: 7.4 %King County7.4
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Ferry County15.40 pts
2Pacific County14.9+1 pts
3Okanogan County13.8+0.2 pts
4Wahkiakum County13.4-0.1 pts
5Grays Harbor County12.9+0.1 pts
6Garfield County12.8+0.9 pts
7Klickitat County12.7+0.9 pts
7Yakima County12.70 pts
9Adams County12.6-0.3 pts
9Stevens County12.6+0.4 pts
11Pend Oreille County12.4+0.1 pts
12Lincoln County12.3+0.6 pts
13Asotin County12.2+0.1 pts
13Jefferson County12.2-0.1 pts
15Clallam County11.9-0.3 pts
15Columbia County11.9-0.1 pts
15Lewis County11.9+0.6 pts
15Mason County11.9+0.2 pts
15Skamania County11.9+0.6 pts
20Grant County11.8+0.7 pts
21Cowlitz County11.7+0.9 pts
21San Juan County11.7+0.9 pts
23Douglas County11.5+0.4 pts
24Franklin County11.2+0.8 pts
25Chelan County11.1+0.6 pts
26Walla Walla County10.8+0.7 pts
27Skagit County10.5+0.3 pts
28Benton County10.3+0.7 pts
28Thurston County10.3+0.4 pts
30Island County10.20 pts
30Snohomish County10.2+1.4 pts
30Spokane County10.2+0.4 pts
33Clark County9.9+0.7 pts
34Pierce County9.8-0.2 pts
34Whatcom County9.8+1.1 pts
36Kitsap County9.4-0.3 pts
37Kittitas County9.2+0.3 pts
38Whitman County8.1+1 pts
39King County7.4+0.1 pts

Other periods

About this ranking

Percentage of adults who report being told by a doctor or other health professional that they have diabetes, other than diabetes only during pregnancy. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries.

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

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

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

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence (Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence, Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence, Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_washington_by_2022,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence: Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence: Counties in Washington by diagnosed diabetes in adults, local model estimate, 2022
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/washington-counties?period=2022.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  - 
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Rank Counties in Washington by diagnosed diabetes in adults, local model estimate using official data, and cite the source.
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Questions

Which county has the highest diagnosed diabetes in adults, local model estimate?

Ferry County, with 15.4% in 2022, according to the Centers for Disease Control and Prevention.

Which county has the lowest diagnosed diabetes in adults, local model estimate?

King County, with 7.4% in 2022.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Diagnosed diabetes in adults, local model estimate: other rankings

Counties in Washington: more rankings