There are 10 cities in Mahaska County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Oskaloosa1Iowa11,52811,5380.2%1,4378.02
New Sharon2Iowa1,2541,2580.08%1,3380.94
Eddyville3Iowa940967-0.84%7961.18
Fremont4Iowa680691-0.15%6581.03
University Park5Iowa475486-0.21%6140.77
Beacon6Iowa428434-0.23%4271
Rose Hill7Iowa158159 1,1530.14
Barnes City8Iowa151153 2550.59
Leighton9Iowa151153 1,5890.10
Keomah Village10Iowa109111 1,6030.07
showing: 10 rows

Cities in Mahaska County, Iowa by Population (2024)

What is the largest city in Mahaska County, Iowa?

Oskaloosa is the largest city in Mahaska County.

What is the smallest city in Mahaska County, Iowa?

Keomah Village is the smallest city in Mahaska County.

How many cities are in Mahaska County?

There are 10 cities in Mahaska County, Iowa.

Frequently Asked Questions