Washington Population By County in 2013

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2013, the population of Washington was 6,966,252. Among all Washington counties, King[object Promise] had the highest population (2,047,967), followed by Pierce[object Promise] (821,307), and Snohomish[object Promise] (744,322). Garfield[object Promise] was the least populated county (2,239).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Washington Population By County in 2013
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County Population % of State Population
Adams 19080 0.27
Asotin 22167 0.32
Benton 184362 2.65
Chelan 73723 1.06
Clallam 72091 1.03
Clark 441591 6.34
Columbia 4002 0.06
Cowlitz 101497 1.46
Douglas 39379 0.56
Ferry 7598 0.11
Franklin 86441 1.24
Garfield 2239 0.03
Grant 91698 1.32
Grays Harbor 71059 1.02
Island 78266 1.12
Jefferson 30021 0.43
King 2047967 29.40
Kitsap 252538 3.63
Kittitas 41845 0.60
Klickitat 20873 0.30
Lewis 74994 1.08
Lincoln 10295 0.15
Mason 60480 0.87
Okanogan 41044 0.59
Pacific 20460 0.29
Pend Oreille 12890 0.19
Pierce 821307 11.79
San Juan 15867 0.23
Skagit 118270 1.70
Skamania 11316 0.16
Snohomish 744322 10.69
Spokane 478553 6.87
Stevens 43287 0.62
Thurston 261976 3.76
Wahkiakum 4002 0.06
Walla Walla 59387 0.85
Whatcom 206139 2.96
Whitman 46831 0.67
Yakima 246395 3.54