Washington County Map With Cities

Complete list of all 39 counties in Washington with population, area, and median income — plus a free printable blank map.

Counties

Population

7,816,021

Area

66,456 sq mi

Capital

Olympia

Time Zone

Pacific (PT)

Tap or click any county for details. Need a printable version? Blank Washington county map (PDF/PNG/SVG).

All 39 Washington counties

County	Largest City	Population ▼	Area	Median Income	Cities
King	Seattle	2,298,714	2,116 mi²	$131,803	32
Pierce	Tacoma	922,424	1,670 mi²	$100,623	34
Snohomish	Everett	841,433	2,087 mi²	$115,712	21
Spokane	Spokane	558,641	1,764 mi²	$81,647	25
Clark	Vancouver	515,787	629 mi²	$100,418	10
Thurston	Olympia	297,238	722 mi²	$97,203	10
Kitsap	Bremerton	277,633	395 mi²	$107,690	20
Yakima	Yakima	235,282	4,295 mi²	$71,171	18
Benton	Kennewick	234,788	1,700 mi²	$88,512	8
Whatcom	Bellingham	228,909	2,107 mi²	$82,792	14
Skagit	Mount Vernon	132,684	1,731 mi²	$88,798	12
Cowlitz	Longview	116,840	1,140 mi²	$78,268	10
Franklin	Pasco	98,034	1,242 mi²	$87,316	5
Grant	Moses Lake	97,918	2,680 mi²	$73,343	14
Lewis	Centralia	86,887	2,403 mi²	$76,295	23
Island	Oak Harbor	86,836	208 mi²	$91,122	7
Chelan	Wenatchee	80,230	2,921 mi²	$83,157	13
Grays Harbor	Aberdeen	78,494	1,902 mi²	$66,480	20
Clallam	Port Angeles	73,294	1,738 mi²	$70,171	9
Mason	Shelton	66,064	959 mi²	$83,912	9
Walla Walla	Walla Walla	62,319	1,270 mi²	$73,486	8
Whitman	Pullman	47,284	2,159 mi²	$54,535	21
Kittitas	Ellensburg	47,120	2,297 mi²	$76,780	10
Douglas	East Wenatchee	45,846	1,819 mi²	$82,513	9
Okanogan	Omak	43,864	5,268 mi²	$63,793	19
Jefferson	Port Townsend	38,096	1,804 mi²	$73,853	8
Stevens	Colville	34,289	2,478 mi²	$62,931	17
Pacific	Raymond	24,893	933 mi²	$66,552	16
Adams	Othello	23,321	1,925 mi²	$65,328	5
Klickitat	Goldendale	22,821	1,871 mi²	$75,050	14
Asotin	Clarkston	22,480	636 mi²	$71,778	3
San Juan	Friday Harbor	18,275	174 mi²	$88,786	9
Pend Oreille	Newport	12,924	1,400 mi²	$66,983	6
Lincoln	Davenport	12,263	2,310 mi²	$71,987	12
Ferry	Kettle Falls	11,915	2,203 mi²	$57,824	9
Skamania	Stevenson	9,640	1,656 mi²	$86,507	6
Wahkiakum	Cathlamet	4,289	263 mi²	$59,583	3
Columbia	Dayton	3,740	869 mi²	$72,461	2
Garfield	Pomeroy	2,512	711 mi²	$64,699	1

How many counties does Washington have?

Washington has 39 counties covering 66,456 square miles and roughly 7,816,021 residents. The state was admitted to the Union in 1889 as the 42nd state, and the current county boundaries reflect more than a century of administrative subdivision.

The largest county by land area is Okanogan County at 5,268 square miles, home to about 43,864 residents. The most populous is King County with approximately 2,298,714 residents — a density of about 1,086 people per square mile.

At the other end of the scale, Garfield County has only about 2,512 residents.

Washington’s capital is Olympia, while the largest city is Seattle — a common pattern in the United States, where many states placed their capitals in smaller, more central towns rather than their largest commercial hubs.

Related resources

Download a printable outline of Washington’s county boundaries from our blank map of Washington page — available in SVG, PNG, and PDF.

Use the What County Am I In? tool to detect which Washington county a GPS location or address falls in, or the Address to County Lookup for batch input.

For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Washington address and see every ZIP code and the total population inside.

Two SimpleMapLab studies cover Washington specifically: the 100-mile radius around Olympia measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Washington ranks the state’s most isolated inhabited place. The county-counts blog post puts Washington’s 39 counties in national context.

Frequently asked questions

Washington has 39 counties. The state was admitted to the Union in 1889 as the 42nd state. County boundaries have shifted over time as the population spread and new administrative units were carved from existing ones.

Okanogan County is the largest by land area at 5,268 square miles, with about 43,864 residents.

King County is the most populous, with approximately 2,298,714 residents over 2,116 square miles.

Garfield County has the smallest population at about 2,512 residents.

Olympia is the state capital. The largest city is Seattle — a common pattern in the US, where many states placed their capitals in smaller, more central towns rather than their largest commercial hubs.

Population, area, and demographic figures are aggregated from ZIP-code-level US Census data (via the SimpleMaps dataset) and the US Census Gazetteer. County boundaries used to render the map are from the US Atlas TopoJSON build of the Census Bureau's TIGER/Line shapefiles. The data is public domain.

Data sources

Population and demographics are aggregated from ZIP-code-level US Census data via the SimpleMaps dataset. Countiesboundaries are from the US Atlas TopoJSON build of the Census Bureau’s TIGER/Line shapefiles. Land area is from the Census Gazetteer. State counts follow the US Census Bureau’s definition of counties and county-equivalents (50 states + DC = 3,144). All sources are public domain.

Neighboring states