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Whitman County, Washington

Whitman County
Colfax Post Office
Map of Washington highlighting Whitman County
Location within the U.S. state of Washington
Map of the United States highlighting Washington
Washington's location within the U.S.
Coordinates: 46°53′N 117°31′W / 46.89°N 117.52°W / 46.89; -117.52
Country United States
State Washington
FoundedNovember 29, 1871
Named forMarcus Whitman
SeatColfax
Largest cityPullman
Area
 • Total
2,178 sq mi (5,640 km2)
 • Land2,159 sq mi (5,590 km2)
 • Water19 sq mi (50 km2)  0.9%
Population
 (2020)
 • Total
47,973
 • Estimate 
(2023)
48,012 Increase
 • Density22/sq mi (8/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
Congressional district5th
Websitewhitmancounty.org

Whitman County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 47,973.[1] The county seat is Colfax,[2] and its largest city is Pullman.

The county was formed from Stevens County in 1871.[3] It is named after Marcus Whitman, a Presbyterian missionary who, with his wife Narcissa, was killed in 1847 by members of the Cayuse tribe.[4]

Whitman County comprises the Pullman, Washington Metropolitan Statistical Area.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved November 10, 2024.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ "Milestones for Washington State History — Part 2: 1851 to 1900". HistoryLink.org. March 6, 2003.
  4. ^ Meany, Edmond S. (1923). Origin of Washington geographic names. Seattle: University of Washington Press. p. 348.

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