Data / Rankings / COPD in adults, local model estimate / Counties in Washington

Counties in Washington by COPD in adults, local model estimate

Ferry County had the highest COPD in adults, local model estimate of 39 counties in 2021, at 10.5%. King County had the lowest, at 3.9%. The median was 7.3%. Source: the Centers for Disease Control and Prevention.

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Highest10.5Ferry County
Lowest3.9King County
Median7.339 counties

Map of counties, 2021

Adams County: 7.4 %Asotin County: 8.6 %Benton County: 5.9 %Chelan County: 7 %Clallam County: 8.2 %Clark County: 6.1 %Columbia County: 7.9 %Cowlitz County: 7.7 %Douglas County: 7.1 %Ferry County: 10.5 %Franklin County: 5.8 %Garfield County: 7.9 %Grant County: 6.9 %Grays Harbor County: 8.8 %Island County: 6.4 %Jefferson County: 8 %King County: 3.9 %Kitsap County: 5.8 %Kittitas County: 6.1 %Klickitat County: 8.2 %Lewis County: 8.4 %Lincoln County: 8.2 %Mason County: 8.2 %Okanogan County: 9.4 %Pacific County: 9.1 %Pend Oreille County: 8.5 %Pierce County: 5.9 %San Juan County: 7.1 %Skagit County: 6.8 %Skamania County: 7.7 %Snohomish County: 5.2 %Spokane County: 6.5 %Stevens County: 8.9 %Thurston County: 5.9 %Wahkiakum County: 9 %Walla Walla County: 6.5 %Whatcom County: 6.1 %Whitman County: 5.2 %Yakima County: 7.3 %
  • Under 5.9
  • 5.9 to 6.5
  • 6.5 to 7.3
  • 7.3 to 8.1
  • 8.1 to 8.6
  • 8.6 and over
%, 2021. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Ferry County: 10.5 %Ferry County10.5Okanogan County: 9.4 %Okanogan County9.4Pacific County: 9.1 %Pacific County9.1Wahkiakum County: 9 %Wahkiakum County9Stevens County: 8.9 %Stevens County8.9Grays Harbor County: 8.8 %Grays Harbor County8.8Asotin County: 8.6 %Asotin County8.6Pend Oreille County: 8.5 %Pend Oreille County8.5Lewis County: 8.4 %Lewis County8.4Clallam County: 8.2 %Clallam County8.2Klickitat County: 8.2 %Klickitat County8.2Lincoln County: 8.2 %Lincoln County8.2Mason County: 8.2 %Mason County8.2Jefferson County: 8 %Jefferson County8Columbia County: 7.9 %Columbia County7.9Garfield County: 7.9 %Garfield County7.9Cowlitz County: 7.7 %Cowlitz County7.7Skamania County: 7.7 %Skamania County7.7Adams County: 7.4 %Adams County7.4Yakima County: 7.3 %Yakima County7.3Douglas County: 7.1 %Douglas County7.1San Juan County: 7.1 %San Juan County7.1Chelan County: 7 %Chelan County7Grant County: 6.9 %Grant County6.9Skagit County: 6.8 %Skagit County6.8Spokane County: 6.5 %Spokane County6.5Walla Walla County: 6.5 %Walla Walla County6.5Island County: 6.4 %Island County6.4Clark County: 6.1 %Clark County6.1Kittitas County: 6.1 %Kittitas County6.1Whatcom County: 6.1 %Whatcom County6.1Benton County: 5.9 %Benton County5.9Pierce County: 5.9 %Pierce County5.9Thurston County: 5.9 %Thurston County5.9Franklin County: 5.8 %Franklin County5.8Kitsap County: 5.8 %Kitsap County5.8Snohomish County: 5.2 %Snohomish County5.2Whitman County: 5.2 %Whitman County5.2King County: 3.9 %King County3.9Ferry County: 10.5 %Ferry County10.5Okanogan County: 9.4 %Okanogan County9.4Pacific County: 9.1 %Pacific County9.1Wahkiakum County: 9 %Wahkiakum County9Stevens County: 8.9 %Stevens County8.9Grays Harbor County: 8.8 %Grays Harbor County8.8Asotin County: 8.6 %Asotin County8.6Pend Oreille County: 8.5 %Pend Oreille County8.5Lewis County: 8.4 %Lewis County8.4Clallam County: 8.2 %Clallam County8.2Klickitat County: 8.2 %Klickitat County8.2Lincoln County: 8.2 %Lincoln County8.2Mason County: 8.2 %Mason County8.2Jefferson County: 8 %Jefferson County8Columbia County: 7.9 %Columbia County7.9Garfield County: 7.9 %Garfield County7.9Cowlitz County: 7.7 %Cowlitz County7.7Skamania County: 7.7 %Skamania County7.7Adams County: 7.4 %Adams County7.4Yakima County: 7.3 %Yakima County7.3Douglas County: 7.1 %Douglas County7.1San Juan County: 7.1 %San Juan County7.1Chelan County: 7 %Chelan County7Grant County: 6.9 %Grant County6.9Skagit County: 6.8 %Skagit County6.8Spokane County: 6.5 %Spokane County6.5Walla Walla County: 6.5 %Walla Walla County6.5Island County: 6.4 %Island County6.4Clark County: 6.1 %Clark County6.1Kittitas County: 6.1 %Kittitas County6.1Whatcom County: 6.1 %Whatcom County6.1Benton County: 5.9 %Benton County5.9Pierce County: 5.9 %Pierce County5.9Thurston County: 5.9 %Thurston County5.9Franklin County: 5.8 %Franklin County5.8Kitsap County: 5.8 %Kitsap County5.8Snohomish County: 5.2 %Snohomish County5.2Whitman County: 5.2 %Whitman County5.2King County: 3.9 %King County3.9
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), copd in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Ferry County10.5
2Okanogan County9.4
3Pacific County9.1
4Wahkiakum County9
5Stevens County8.9
6Grays Harbor County8.8
7Asotin County8.6
8Pend Oreille County8.5
9Lewis County8.4
10Clallam County8.2
10Klickitat County8.2
10Lincoln County8.2
10Mason County8.2
14Jefferson County8
15Columbia County7.9
15Garfield County7.9
17Cowlitz County7.7
17Skamania County7.7
19Adams County7.4
20Yakima County7.3
21Douglas County7.1
21San Juan County7.1
23Chelan County7
24Grant County6.9
25Skagit County6.8
26Spokane County6.5
26Walla Walla County6.5
28Island County6.4
29Clark County6.1
29Kittitas County6.1
29Whatcom County6.1
32Benton County5.9
32Pierce County5.9
32Thurston County5.9
35Franklin County5.8
35Kitsap County5.8
37Snohomish County5.2
37Whitman County5.2
39King County3.9

Other periods

About this ranking

Percentage of adults who have ever been told by a doctor, nurse or other health professional that they had chronic obstructive pulmonary disease (COPD), emphysema or chronic bronchitis. 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), copd 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), copd in adults, crude prevalence (Counties in Washington by COPD in adults, local model estimate, 2021) [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), copd in adults, crude prevalence, Counties in Washington by COPD in adults, local model estimate, 2021. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/washington-counties?period=2021. 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), copd in adults, crude prevalence. Counties in Washington by COPD in adults, local model estimate, 2021. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/washington-counties?period=2021.

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), copd in adults, crude prevalence, Counties in Washington by COPD in adults, local model estimate, 2021 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-copd-rate-county-estimate/washington-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_washington_by_2021,
  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), copd in adults, crude prevalence: Counties in Washington by COPD in adults, local model estimate, 2021}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/washington-counties?period=2021. 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), copd 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), copd in adults, crude prevalence: Counties in Washington by COPD in adults, local model estimate, 2021
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-copd-rate-county-estimate/washington-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-copd-rate-county-estimate/washington-counties?period=2021.
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), copd 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 COPD in adults, local model estimate using official data, and cite the source.
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Questions

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

Ferry County, with 10.5% in 2021, according to the Centers for Disease Control and Prevention.

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

King County, with 3.9% in 2021.

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), copd in adults, crude prevalence. Retrieved 2026-10-12.

COPD in adults, local model estimate: other rankings

Counties in Washington: more rankings