Whitman County, Washington

Whitman County population, land area and income

Whitman County had 48,399 residents in the Census Vintage 2024 estimate, on 2,159.3 square miles of land. It ranks 23rd of 39 in Washington by population and 10th by land area. That works out to 22.4 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; Whitman County is somewhat smaller.

Its SAIPE 2023 median household income of $59,044 is below the national county median among 3,143 counties with an estimate.

How Whitman County's population changed since 2020

Whitman County gained 578 residents between the July 2020 and July 2024 estimates, a rise of 1.2%. That ranks 34th 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, Whitman County recorded 1,665 births and 1,434 deaths, a natural change of +231. Net international migration added +1,693 and net domestic migration, people moving to or from other US counties, came to -1,489. The largest single component was international migration, which added 1,693 people.

Where Whitman County is

The Census internal point of Whitman County is at 46.905900, -117.535400. 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 Whitman County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Whitman County

3 incorporated places of 1,000+ people have residents in Whitman County, 37,264 people together, or 77% of the county. Each figure counts only the part of the town inside Whitman County; towns marked "part" extend into another county. The largest is Pullman with 33,543.

Counties bordering Whitman County

The Census 2024 county adjacency file lists 10 neighbors for Whitman County, including 3 across a state line. The most populous is Spokane County, WA, with 555,947 residents. Distances run between Census internal points in a straight line.

• Spokane County

  555,947 people

  50 mi N

• Franklin County

  101,238 people

  70 mi WSW

• ID

  Nez Perce County, ID

  42,847 people

  54 mi SE

• ID

  Latah County, ID

  42,180 people

  38 mi E

• Asotin County

  22,523 people

  52 mi SSE

• Adams County

  21,039 people

  47 mi W

• Lincoln County

  11,862 people

  62 mi NW

• ID

  Benewah County, ID

  10,529 people

  48 mi ENE

• Columbia County

  4,025 people

  46 mi SSW

• Garfield County

  2,404 people

  33 mi S

Distance to Olympia and the nearest big city

Olympia is 253.0 miles W of Whitman County's internal point in a straight line. The nearest place of 100,000 or more is Spokane, WA (population 230,609), 52.8 miles away. The nearest place of 10,000 or more is Pullman, WA (population 33,543), 21.1 miles away.

Whitman County FIPS code

The FIPS code of Whitman County is 53075: state code 53 for Washington plus county code 075. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $59,044.