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Washington county map

See all 39 counties on one clear, labelled map. Use the alphabetical table below to verify names and compare land area.

Boundary vintage: 2025Source: U.S. Census BureauUpdated September 15, 2026
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Labelled map of Washington counties AdamsAsotinBentonChelanClallamClarkColumbiaCowlitzDouglasFerryFranklinGarfieldGrantGrays HarborIslandJeffersonKingKitsapKittitasKlickitatLewisLincolnMasonOkanoganPacificPend OreillePierceSan JuanSkagitSkamaniaSnohomishSpokaneStevensThurstonWahkiakumWalla WallaWhatcomWhitmanYakima
Boundary data: U.S. Census Bureau 2025 cartographic boundary files. Zoom in for county names, then drag the map or use the arrow keys to move around.
Map scope: This is a county boundary reference map. It does not show roads, parcels, ZIP codes, election precincts, or terrain.

Alphabetical list of Washington counties

The land-area figures are rounded to the nearest square mile. Water area is shown separately so large lakes or coastal waters do not obscure the comparison.

NameFIPS codeLand areaWater area
Adams County530011,925 sq mi5 sq mi
Asotin County53003636 sq mi4 sq mi
Benton County530051,700 sq mi60 sq mi
Chelan County530072,921 sq mi73 sq mi
Clallam County530091,739 sq mi930 sq mi
Clark County53011629 sq mi27 sq mi
Columbia County53013869 sq mi5 sq mi
Cowlitz County530151,141 sq mi25 sq mi
Douglas County530171,819 sq mi30 sq mi
Ferry County530192,203 sq mi54 sq mi
Franklin County530211,242 sq mi23 sq mi
Garfield County53023711 sq mi7 sq mi
Grant County530252,680 sq mi112 sq mi
Grays Harbor County530271,902 sq mi321 sq mi
Island County53029209 sq mi309 sq mi
Jefferson County530311,804 sq mi384 sq mi
King County530332,116 sq mi192 sq mi
Kitsap County53035395 sq mi171 sq mi
Kittitas County530372,297 sq mi36 sq mi
Klickitat County530391,872 sq mi33 sq mi
Lewis County530412,403 sq mi34 sq mi
Lincoln County530432,311 sq mi29 sq mi
Mason County53045960 sq mi91 sq mi
Okanogan County530475,266 sq mi47 sq mi
Pacific County53049933 sq mi293 sq mi
Pend Oreille County530511,400 sq mi25 sq mi
Pierce County530531,668 sq mi137 sq mi
San Juan County53055174 sq mi447 sq mi
Skagit County530571,730 sq mi187 sq mi
Skamania County530591,658 sq mi28 sq mi
Snohomish County530612,087 sq mi109 sq mi
Spokane County530631,764 sq mi17 sq mi
Stevens County530652,477 sq mi63 sq mi
Thurston County53067723 sq mi52 sq mi
Wahkiakum County53069263 sq mi24 sq mi
Walla Walla County530711,270 sq mi29 sq mi
Whatcom County530732,108 sq mi397 sq mi
Whitman County530752,159 sq mi19 sq mi
Yakima County530774,295 sq mi16 sq mi

Largest Washington counties by land area

These are the five largest mapped units in Washington by Census-reported land area:

  1. Okanogan County — 5,266 square miles
  2. Yakima County — 4,295 square miles
  3. Chelan County — 2,921 square miles
  4. Grant County — 2,680 square miles
  5. Stevens County — 2,477 square miles

How to read and use this map

County lines are administrative boundaries, not postal routes. A mailing address can use a city name associated with a neighboring area, and ZIP codes can cross county lines. When you need to identify a county for an address, confirm it with an official geocoder or local government source.

For classroom or planning use, print directly from this page. If labels become crowded, choose landscape orientation and reduce page margins. The underlying vector lines remain crisp at different sizes.

Frequently asked questions

How many counties are in Washington?

Washington has 39 counties in the U.S. Census Bureau’s 2025 cartographic boundary file.

Can I print this Washington county map?

Yes. Choose Print map and use landscape orientation for the widest map. Because the map is SVG, its boundary lines stay sharp when scaled.

Are these legal survey boundaries?

No. This is a generalized reference map. Property, parcel, election, and legal boundary questions should be checked with the relevant state or local agency.

Map source

U.S. Census Bureau, 2025 Cartographic Boundary File, Counties, 1:20,000,000. Land and water area fields are supplied in the same file and converted from square meters to square miles. Accessed September 15, 2026.