Mahaska County IA Information


Mahaska County Subdivisions

Mahaska County IA Data & Demographics (As of July 1, 2017)


Total Population 22,406
Daytime Population: Workers 9,352
Daytime Population: Residents 11,172
Total Daytime Population (TDP) 20,524
Ratio TDP/Total Population1 0.92
Population in Households 21,720
Population in Familes 17,579
Population in Group Qrtrs 686
Population Density2 39
Diversity Index3 14


Median Household Income $49,480
Average Household Income $60,173
Per Capita Income $24,498


Total Housing Units 9,836 (100%)
Owner Occupied HU 6,281 (63.9%)
Renter Occupied HU 2,682 (27.3%)
Vacant Housing Units 873 ( 8.9%)
Median Home Value $117,940
Average Home Value $155,099


Total Households 8,963
Average Household Size 2.42
Family Households 5,971
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.02% -0.06%
Households -0.02% -0.07%
Families -0.17% -0.16%
Median Household Income   1.57%
Per Capita Income   2.41%


Mahaska County IA - Peer Comparisons by Rank and Percentile

The table below compares Mahaska County to the other 99 counties and county equivalents in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 28 73rd
Population Density # 29 72nd
Diversity Index # 51 51st
Median Household Income # 68 32nd
Per Capita Income # 88 12th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.