Blank map of Washington by county
All 39 counties of Washington, ready to print on Letter, Tabloid, A4 or A3, or to download as PNG and SVG. Free, no sign-up.
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Mapsfera · data US Census Bureau
Washington on the map
Washington has 39 counties; only 17 states have fewer. The largest is Okanogan, with 5,266 sq mi of land, and the smallest is San Juan, with 174 sq mi: Okanogan is about 30 times bigger.
The state capital, Olympia, is in Thurston County. The capital version marks it on the map.
King County is the most populous, with 2,344,939 people in 2025, or 29% of the state. The least populous is Garfield, with 2,416. Since 2020, Wahkiakum has grown the fastest (+10.2%) and Island has lost the most (−1.4%).
What each county borders
Grant borders the most counties in the state: 8 (Adams, Benton, Douglas, Franklin, Kittitas, Lincoln, Okanogan, and Yakima). San Juan borders no other county: it is surrounded by water.
13 counties touch another state. 10 border Oregon: Asotin, Benton, Clark, Columbia, Cowlitz, Garfield, Klickitat, Skamania and 2 more. 4 border Idaho: Asotin, Pend Oreille, Spokane, and Whitman.
5 counties border Canada: Ferry, Okanogan, Pend Oreille, Stevens, and Whatcom.
15 counties are on the coast. 9 counties are fully inland, with no coast and no border with another state or country.
Number key
Numbers follow alphabetical order, from 1 (Adams) to 39 (Yakima). Area is land area, without lakes or sea, and population is the Census estimate for July 1, 2025; “Borders” counts neighboring counties in the same state.
| No. | County | Land area | Population (2025) | Borders |
|---|---|---|---|---|
| 1 | Adams | 1,925 sq mi | 21,488 | 4 |
| 2 | Asotin | 636 sq mi | 22,545 | 2 |
| 3 | Benton | 1,700 sq mi | 221,722 | 5 |
| 4 | Chelan | 2,921 sq mi | 81,941 | 6 |
| 5 | Clallam | 1,739 sq mi | 78,202 | 1 |
| 6 | Clark | 628 sq mi | 532,119 | 2 |
| 7 | Columbia | 869 sq mi | 4,141 | 4 |
| 8 | Cowlitz | 1,141 sq mi | 114,885 | 4 |
| 9 | Douglas | 1,819 sq mi | 46,473 | 4 |
| 10 | Ferry | 2,203 sq mi | 7,517 | 3 |
| 11 | Franklin | 1,242 sq mi | 102,612 | 6 |
| 12 | Garfield | 711 sq mi | 2,416 | 3 |
| 13 | Grant | 2,680 sq mi | 105,727 | 8 |
| 14 | Grays Harbor | 1,902 sq mi | 78,144 | 5 |
| 15 | Island | 209 sq mi | 85,657 | 1 |
| 16 | Jefferson | 1,804 sq mi | 33,970 | 3 |
| 17 | King | 2,116 sq mi | 2,344,939 | 4 |
| 18 | Kitsap | 395 sq mi | 283,374 | 2 |
| 19 | Kittitas | 2,297 sq mi | 48,803 | 5 |
| 20 | Klickitat | 1,872 sq mi | 24,331 | 3 |
| 21 | Lewis | 2,403 sq mi | 88,062 | 8 |
| 22 | Lincoln | 2,311 sq mi | 11,982 | 7 |
| 23 | Mason | 960 sq mi | 71,165 | 5 |
| 24 | Okanogan | 5,266 sq mi | 45,230 | 7 |
| 25 | Pacific | 933 sq mi | 24,357 | 3 |
| 26 | Pend Oreille | 1,400 sq mi | 14,457 | 2 |
| 27 | Pierce | 1,668 sq mi | 946,288 | 6 |
| 28 | San Juan | 174 sq mi | 18,577 | 0 |
| 29 | Skagit | 1,730 sq mi | 132,975 | 4 |
| 30 | Skamania | 1,658 sq mi | 12,669 | 5 |
| 31 | Snohomish | 2,087 sq mi | 870,656 | 4 |
| 32 | Spokane | 1,764 sq mi | 558,344 | 4 |
| 33 | Stevens | 2,477 sq mi | 49,668 | 4 |
| 34 | Thurston | 723 sq mi | 304,261 | 4 |
| 35 | Wahkiakum | 263 sq mi | 4,873 | 3 |
| 36 | Walla Walla | 1,270 sq mi | 62,361 | 3 |
| 37 | Whatcom | 2,108 sq mi | 236,392 | 2 |
| 38 | Whitman | 2,159 sq mi | 48,512 | 7 |
| 39 | Yakima | 4,294 sq mi | 259,185 | 7 |
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Frequently asked questions
How many counties does Washington have?
39 counties. Only 17 states have fewer.
What is the largest county in Washington?
Okanogan, with 5,266 sq mi of land. The smallest is San Juan, with 174 sq mi.
What is the most populous county in Washington?
King County, with an estimated 2,344,939 people in 2025, or 29% of the state.
What county is Olympia in?
The state capital, Olympia, is in Thurston County.
Which Washington counties border Canada?
5 counties: Ferry, Okanogan, Pend Oreille, Stevens, and Whatcom.
Can I use it in class?
Yes, it’s free. Print it, copy it and hand it out as many times as you like. If you post it on a blog or a class website, credit “Mapsfera · data US Census Bureau”.
How do I print it on US Letter paper?
Choose Letter in “Paper size” and click “Download PDF”. In the print window, pick Letter paper and 100% scale (“Actual size”). For a bigger map, choose Tabloid (11 × 17 in) or A3.
What order are the numbers in?
Alphabetical, from 1 to the last one. That makes the key easy to follow when you grade, and it’s the same key the worksheet’s answer page uses.
Sources
- Boundaries: U.S. Census Bureau, Cartographic Boundary Files 2025, counties at 1:500,000 (public domain)
- Land and water area: U.S. Census Bureau (TIGER/Line and 2025 Gazetteer); population: Vintage 2025 estimates (July 1, 2025)
- State capital: Natural Earth, Populated Places (public domain); which counties it spans, Census places
- Neighbors, coastline and borders: calculated from those boundaries (and checked against the Census county adjacency file)