• county
  • FIPS 53003
  • Largest town: Clarkston

Asotin County, Washington

Asotin County had 22,523 residents in the Census Vintage 2024 estimate, on 636.1 square miles of land. It ranks 30th of 39 in Washington by population and 34th by land area.

Population
22,523
#30 of 39 in Washington · #1,697 in US
Area
636.1 sq mi
#34 of 39 in Washington · #1,499 in US
Density
35 / sq mi
#22 of 39 in Washington · #1,789 in US
Median household income
$64,789
#33 of 39 in Washington · #1,392 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Asotin County within Washington. Pin: Olympia.

Asotin County population, land area and income

Asotin County had 22,523 residents in the Census Vintage 2024 estimate, on 636.1 square miles of land. It ranks 30th of 39 in Washington by population and 34th by land area. That works out to 35.4 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Washington has 69,632 residents, so Asotin County has 32% of the typical county's population.

Its SAIPE 2023 median household income of $64,789 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

22,523

3144th1st

1697th of 3,144 (US)

Land area

636 sq mi

3144th1st

1499th of 3,144 (US)

Density

35.4 / sq mi

3144th1st

1789th of 3,144 (US)

Median household income

$64,789

3143rd1st

1392nd of 3,143 (US)

Rank within Washington (39)

Population

22,523

39th1st

30th of 39 (WA)

Land area

636 sq mi

39th1st

34th of 39 (WA)

Density

35.4 / sq mi

39th1st

22nd of 39 (WA)

Median household income

$64,789

39th1st

33rd of 39 (WA)

How Asotin County's population changed since 2020

Asotin County gained 195 residents between the July 2020 and July 2024 estimates, a rise of 0.9%. That ranks 35th of 39 in Washington for growth. The median Washington county changed by +3.2%, and the state as a whole by +3.0%.

Since the April 2020 estimates base, Asotin County recorded 926 births and 1,323 deaths, a natural change of -397. Net international migration added +66 and net domestic migration, people moving to or from other US counties, came to +566. The largest single component was domestic migration, which added 566 people.

22.3k202022.5k202122.5k202222.5k202322.5k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
926
Deaths
1,323
Net international migration
+66
Net domestic migration
+566
Change, July 2023 to July 2024
+13

Where Asotin County is

The Census internal point of Asotin County is at 46.181900, -117.227800. It sits in UTM zone 11N. The map shades Washington's 39 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Asotin County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Asotin County

2 incorporated places of 1,000+ people have residents in Asotin County, 8,330 people together, or 37% of the county. Each figure counts only the part of the town inside Asotin County; towns marked "part" extend into another county. The largest is Clarkston with 7,138.

  1. 01Clarkston7,138
  2. 02Asotin1,192
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Asotin County

The Census 2024 county adjacency file lists 4 neighbors for Asotin County, including 2 across a state line. The most populous is Whitman County, WA, with 48,399 residents. Distances run between Census internal points in a straight line.

Distance to Olympia and the nearest big city

Olympia is 275.6 miles WNW of Asotin County's internal point in a straight line. The nearest place of 100,000 or more is Spokane Valley, WA (population 108,267), 102.3 miles away. The nearest place of 10,000 or more is Lewiston, ID (population 34,693), 18.4 miles away.

Asotin County FIPS code

The FIPS code of Asotin County is 53003: state code 53 for Washington plus county code 003. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $64,789.

Questions people ask

What is the population of Asotin County, Washington?

The Census Vintage 2024 estimate for July 1, 2024 is 22,523. That is up 195 people (0.9%) from the July 2020 estimate of 22,328.

What is the FIPS code of Asotin County?

53003. The first two digits (53) are Washington; the last three (003) identify the county.

What is the largest town in Asotin County?

Clarkston, with 7,138 residents inside Asotin County in 2024.

Which counties border Asotin County?

4 county-equivalents border it in the Census 2024 adjacency file: Whitman County, WA; Nez Perce County, ID; Wallowa County, OR; Garfield County, WA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.