Property research by county
Washington county reference
39 counties and county equivalents in Washington. Search names or FIPS codes, compare Census geography and keep the original sources with your work.
- Adams County
Washington · FIPS 53001
21,488 residents · 2025 estimate
- Asotin County
Washington · FIPS 53003
22,545 residents · 2025 estimate
- Benton County
Washington · FIPS 53005
221,722 residents · 2025 estimate
- Chelan County
Washington · FIPS 53007
81,941 residents · 2025 estimate
- Clallam County
Washington · FIPS 53009
78,202 residents · 2025 estimate
- Clark County
Washington · FIPS 53011
532,119 residents · 2025 estimate
- Columbia County
Washington · FIPS 53013
4,141 residents · 2025 estimate
- Cowlitz County
Washington · FIPS 53015
114,885 residents · 2025 estimate
- Douglas County
Washington · FIPS 53017
46,473 residents · 2025 estimate
- Ferry County
Washington · FIPS 53019
7,517 residents · 2025 estimate
- Franklin County
Washington · FIPS 53021
102,612 residents · 2025 estimate
- Garfield County
Washington · FIPS 53023
2,416 residents · 2025 estimate
- Grant County
Washington · FIPS 53025
105,727 residents · 2025 estimate
- Grays Harbor County
Washington · FIPS 53027
78,144 residents · 2025 estimate
- Island County
Washington · FIPS 53029
85,657 residents · 2025 estimate
- Jefferson County
Washington · FIPS 53031
33,970 residents · 2025 estimate
- King County
Washington · FIPS 53033
2,344,939 residents · 2025 estimate
- Kitsap County
Washington · FIPS 53035
283,374 residents · 2025 estimate
- Kittitas County
Washington · FIPS 53037
48,803 residents · 2025 estimate
- Klickitat County
Washington · FIPS 53039
24,331 residents · 2025 estimate
- Lewis County
Washington · FIPS 53041
88,062 residents · 2025 estimate
- Lincoln County
Washington · FIPS 53043
11,982 residents · 2025 estimate
- Mason County
Washington · FIPS 53045
71,165 residents · 2025 estimate
- Okanogan County
Washington · FIPS 53047
45,230 residents · 2025 estimate
- Pacific County
Washington · FIPS 53049
24,357 residents · 2025 estimate
- Pend Oreille County
Washington · FIPS 53051
14,457 residents · 2025 estimate
- Pierce County
Washington · FIPS 53053
946,288 residents · 2025 estimate
- San Juan County
Washington · FIPS 53055
18,577 residents · 2025 estimate
- Skagit County
Washington · FIPS 53057
132,975 residents · 2025 estimate
- Skamania County
Washington · FIPS 53059
12,669 residents · 2025 estimate
- Snohomish County
Washington · FIPS 53061
870,656 residents · 2025 estimate
- Spokane County
Washington · FIPS 53063
558,344 residents · 2025 estimate
- Stevens County
Washington · FIPS 53065
49,668 residents · 2025 estimate
- Thurston County
Washington · FIPS 53067
304,261 residents · 2025 estimate
- Wahkiakum County
Washington · FIPS 53069
4,873 residents · 2025 estimate
- Walla Walla County
Washington · FIPS 53071
62,361 residents · 2025 estimate
- Whatcom County
Washington · FIPS 53073
236,392 residents · 2025 estimate
- Whitman County
Washington · FIPS 53075
48,512 residents · 2025 estimate
- Yakima County
Washington · FIPS 53077
259,185 residents · 2025 estimate
Use the county data
Use the county name and FIPS code to identify the correct jurisdiction before collecting parcel, assessor, recorder or court information. Compare this national reference with the separate property-data coverage directory.
National geographic coverage does not mean that parcel records or probate feeds are connected for every county.
Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.