Mahaska County, Iowa

Mahaska County
County
The courthouse in Oskaloosa, built 1886, is on the NRHP. The architect was Henry C. Koch.
The courthouse in Oskaloosa, built 1886, is on the NRHP. The architect was Henry C. Koch.
Map of Iowa highlighting Mahaska County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 41°20′02″N 92°38′44″W / 41.333888888889°N 92.645555555556°W / 41.333888888889; -92.645555555556
Country United States
State Iowa
FoundedFebruary 17, 1843
Named forChief Mahaska
SeatOskaloosa
Largest cityOskaloosa
Area
 • Total
573 sq mi (1,480 km2)
 • Land571 sq mi (1,480 km2)
 • Water2.5 sq mi (6 km2)  0.4%
Population
 (2020)
 • Total
22,190
 • Density39/sq mi (15/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitewww.mahaskacountyia.gov

Mahaska County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 22,190.[1] The county seat is Oskaloosa.[2]

Mahaska County comprises the Oskaloosa, IA Micropolitan Statistical Area.

  1. ^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.