Oskaloosa, IA Profile: Facts, Map & Data


Oskaloosa Local Links & Resources:
Hotels | Resources | ALL Oskaloosa Content

Also See: Oskaloosa, IA ZIP Codes & ZIP Code Maps | Local Area Photos

Oskaloosa, Iowa - Basic Facts

The City of Oskaloosa had a population of 11,530 as of July 1, 2017. Oskaloosa ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Oskaloosa is located at latitude 41.2922 and longitude -92.6409 in Mahaska County. The formal boundaries for the City of Oskaloosa (see map below) encompass a land area of 7.99 sq. miles and a water area of 0.01 sq. miles. Mahaska County is in the Central time zone (GMT -6). The elevation is 840 feet.

The City of Oskaloosa (GNIS ID: 468480) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Oskaloosa is located within , a minor civil division (MCD) of Mahaska County.

Beneath the boundary map are tables with Oskaloosa population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


City of Oskaloosa, IA Boundary Map

Also See: BIG Map | Driving Directions | IA Congressional Districts
Boundary Maps: | Mahaska County | Iowa Counties

Search the map for:

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


Total Population 11,530
Daytime Population: Workers 7,190
Daytime Population: Residents 5,980
Total Daytime Population (TDP) 13,170
Ratio TDP/Total Population1 1.14
Population in Households 10,963
Population in Familes 8,363
Population in Group Qrtrs 567
Population Density2 1,444
Diversity Index3 21


Median Household Income $39,505
Average Household Income $52,616
Per Capita Income $22,136


Total Housing Units 5,177 (100%)
Owner Occupied HU 2,905 (56.1%)
Renter Occupied HU 1,806 (34.9%)
Vacant Housing Units 465 ( 9.0%)
Median Home Value $100,594
Average Home Value $139,497


Total Households 4,712
Average Household Size 2.33
Family Households 2,838
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% -0.05%
Households -0.07% -0.09%
Families -0.1% -0.21%
Median Household Income   1.66%
Per Capita Income   2.28%

Oskaloosa, IA - Peer Comparisons by Rank and Percentile

The table below compares Oskaloosa to the other 1,009 incorporated cities, towns and CDPs 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 # 33 97th
Population Density # 114 89th
Diversity Index # 155 85th
Median Household Income # 967 4th
Per Capita Income # 943 7th

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

Iowa Research Tools

Iowa Census Data Comparison Tool

Compare Iowa Census Data
Highest or Lowest: