Mahaska County, Iowa
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Mahaska County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 22,190. The county seat is Oskaloosa.
The courthouse in Oskaloosa, built 1886, is on the NRHP. The architect was Henry C. Koch.
Mahaska, from Fulton's Red Men of Iowa (1882)
Oskaloosa, Iowa
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Oskaloosa is a city in, and the county seat of, Mahaska County, Iowa, United States. In the late nineteenth and early twentieth century, Oskaloosa was a national center of bituminous coal mining. The population was 11,558 in the 2020 U.S. census.
The Mahaska County Courthouse
East side of public square, 1864
The Sam Smith coal mine in 1895, located in what is now the 1300 block of High Avenue West.
Theodore Roosevelt campaigns in the Oskaloosa city square in the fall of 1912.