Mahaska County property tax rates, 2026–27

Combined rates for each of 29 places, lowest first. Each page shows the rate of every taxing unit that makes up the total.

Lowest combined rate
21.8967Jefferson Township
Highest combined rate
37.05467Oskaloosa
Places
292026–27
Jefferson Township 3 21.8967 26.67168
Scott Township 3 21.95966 26.73464
Harrison Township 2 22.37295 26.53733
East Des Moines Township 2 22.4665 26.63088
West Des Moines Township 2 22.59653 26.76091
White Oak Township 4 22.65004 26.81692
Cedar Township 2 22.83146 26.99584
Richland Township 3 24.15353 26.68326
Pleasant Grove Township 2 24.29874 24.78069
Monroe Township 3 24.49418 26.81815
Prairie Township 1 24.694 24.694
Union Township 1 24.69415 24.69415
Adams Township 2 24.69711 26.53913
Madison Township 3 24.71216 26.55418
Black Oak Township 2 24.73422 26.47716
Keomah Village 1 25.73001 25.73001
Fremont 1 26.28203 26.28203
Garfield Township 2 26.41691 26.51599
Lincoln Township 1 26.51849 26.51849
Spring Creek Township 1 26.55503 26.55503
University Park 1 27.85611 27.85611
Beacon 1 30.14192 30.14192
Rose Hill 1 30.44641 30.44641
Barnes City 1 31.18482 31.18482
Pella 1 33.23488 33.23488
New Sharon 1 33.53786 33.53786
Leighton 1 33.55224 33.55224
Eddyville 1 35.23414 35.23414
Oskaloosa 1 37.05467 37.05467

Rates are per $1,000 of taxable value, 2026–27.

Source: Iowa Department of Management, Consolidated Property Tax Rates by Tax District, FY2027. Retrieved 2026-10-27.

Property tax in Mahaska County

In 2026–27, combined rates in Mahaska County run from 21.8967 in Jefferson Township to 37.05467 in Oskaloosa, per $1,000 of taxable value. On an assessed value of $300,000, that's $6,569 to $11,116 a year before credits or relief.

Choose a place above to see each rate that makes up its total and estimate a bill, or read the Iowa property tax guide.