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RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Scotch-Irish population share, Washington counties

Washington counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

Scotch-Irish Americans: full group profile →
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SAME RANKING BYCitiesStatesMetros
RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Scotch-Irish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010
01Skamania County, WAWA12,6692.6%+0.5 pts
02Jefferson County, WAWA33,9701.8%−2.6 pts
03San Juan County, WAWA18,5771.8%−1.3 pts
04Stevens County, WAWA49,6681.8%−1.1 pts
05Clallam County, WAWA78,2021.5%−1.8 pts
06Mason County, WAWA71,1651.5%−1.3 pts
07Wahkiakum County, WAWA4,8731.5%−1.6 pts
08Cowlitz County, WAWA114,8851.4%−1.6 pts
09Kitsap County, WAWA283,3741.4%−1.9 pts
10Asotin County, WAWA22,5451.3%−0.9 pts
11Skagit County, WAWA132,9751.3%−0.9 pts
12Island County, WAWA85,6571.3%−1.2 pts
13Thurston County, WAWA304,2611.3%−1.4 pts
14Ferry County, WAWA7,5171.2%−2.5 pts
15Whitman County, WAWA48,5121.2%−1.3 pts
16Whatcom County, WAWA236,3921.1%−1.8 pts
17Clark County, WAWA532,1191.1%−1.7 pts
18Spokane County, WAWA558,3441.0%−1.6 pts
19Kittitas County, WAWA48,8031.0%−1.8 pts
20Pacific County, WAWA24,3571.0%−2.0 pts
21Benton County, WAWA221,7221.0%−0.9 pts
22Snohomish County, WAWA870,6560.9%−1.8 pts
23King County, WAWA2,344,9390.9%−1.4 pts
24Pend Oreille County, WAWA14,4570.9%−1.9 pts
25Lewis County, WAWA88,0620.9%−2.3 pts
26Pierce County, WAWA946,2880.9%−1.5 pts
27Walla Walla County, WAWA62,3610.7%−1.5 pts
28Lincoln County, WAWA11,9820.7%−4.6 pts
29Chelan County, WAWA81,9410.7%−1.4 pts
30Grays Harbor County, WAWA78,1440.7%−1.9 pts
31Okanogan County, WAWA45,2300.6%−2.5 pts
32Klickitat County, WAWA24,3310.6%−2.4 pts
33Douglas County, WAWA46,4730.6%−2.3 pts
34Yakima County, WAWA259,1850.4%−0.9 pts
35Franklin County, WAWA102,6120.4%−1.0 pts
36Grant County, WAWA105,7270.4%−1.6 pts
37Adams County, WAWA21,4880.3%−0.7 pts
38Garfield County, WAWA2,4160.2%−3.0 pts
39Columbia County, WAWA4,1410.2%−2.5 pts
SHOWING 1–39 OF 39
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES