Oskaloosa, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Oskaloosa, Iowa is 11,492 as of the 2023 American Community Survey, making it the 34th-largest city in Iowa. The median household income is $62,172, the median home value is $128,900, and the median age is 37.9.
The population has grown 0.5% since 2010 (11,518 → 11,575).
11,492
Population
1426
People / sq mi
$62,172
Median Income
$128,900
Median Home Value
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Oskaloosa covers 8.1 sq mi of land at 1426 people per square mile.
About Oskaloosa, IA
Housing cost is the defining feature of Oskaloosa: the median home is valued at $128,900. With 11,492 residents, Oskaloosa is a city in Iowa. It ranks #34 among cities in Iowa by population.
The typical household earns $62,172, below the US median of $78,538. Poverty runs at 8.3%, below the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $128,900, with typical rent around $880.
26.0% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Most workers commute: only 5.5% work from home, below the national 14.0%, and the average commute runs about 16 minutes each way.
Oskaloosa city Population History (2010-2024)
The city of Oskaloosa city had a population of 11,518 in 2010 and 11,575 in 2024, a 0.5% growth over 14 years. The peak was 11,575 in 2024. Average annual growth rate: 0.04%.
11,575
Population (2024)
11,518
Population (2010)
11,575
Peak (2024)
0.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 11,518 |
| 2011 | 11,570 |
| 2012 | 11,533 |
| 2013 | 11,557 |
| 2014 | 11,530 |
| 2015 | 11,570 |
| 2016 | 11,514 |
| 2017 | 11,547 |
| 2018 | 11,448 |
| 2019 | 11,506 |
| 2020 | 11,542 |
| 2021 | 11,473 |
| 2022 | 11,485 |
| 2023 | 11,525 |
| 2024 | 11,575 |
Race & Ethnicity
| White | 92.7% |
| Black or African American | 2.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Economy & Income
$62,172
Median Household Income
$35,799
Per Capita Income
8.3%
Poverty Rate
2.8%
Unemployment Rate
Housing
$128,900
Median Home Value
$880
Median Rent
60.5%
Owner-Occupied
Education
94.0%
High School+
26.0%
Bachelor's+
Commute
0.0%
Drive Alone
79.3%
Public Transit
5.5%
Work From Home
15.8 min
Avg Commute
Community Profile
22.8%
Foreign Born
96.8%
Non-English at Home
5.9%
Veterans
13.9%
With Disability
94.9%
Health Insurance
93.6%
Internet Access
Employment by Industry
| Manufacturing | 28.6% |
| Professional, Scientific & Management | 24.5% |
| Education, Health Care & Social Services | 5.1% |
| Finance, Insurance & Real Estate | 4.9% |
| Construction | 4.3% |
| Retail Trade | 3.9% |
| Agriculture & Mining | 3.7% |
| Arts, Entertainment & Food Services | 3.5% |
| Information | 2.7% |
| Public Administration | 1.8% |
| Transportation & Warehousing | 1.6% |
Largest cities in Iowa
Largest counties in Iowa
Part of Iowa
Metro areas in Iowa
City rankings
Frequently Asked Questions
Oskaloosa, Iowa has a population of 11,492 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 34th-largest city in Iowa.
The median household income in Oskaloosa, Iowa is $62,172, with 8.3% of residents living below the federal poverty level.
The median home value in Oskaloosa, Iowa is $128,900, with median monthly rent at $880 and a homeownership rate of 60.5%.
The median age in Oskaloosa, Iowa is 37.9 years. The population is 49.7% male and 50.3% female.
The population has grown 0.5% since 2010 (11,518 → 11,575).
Oskaloosa city, IA Climate
Oskaloosa city, IA has an average annual temperature of 10.1°C (50°F) and receives about 908 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.1°C
Avg Temp
908
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 28 mm |
| February | -3° / 27° | 26 mm |
| March | 4° / 38° | 57 mm |
| April | 10° / 51° | 94 mm |
| May | 17° / 62° | 106 mm |
| June | 22° / 71° | 108 mm |
| July | 24° / 76° | 111 mm |
| August | 23° / 73° | 100 mm |
| September | 18° / 65° | 110 mm |
| October | 12° / 53° | 70 mm |
| November | 4° / 38° | 61 mm |
| December | -3° / 26° | 37 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Oskaloosa city, IA
The most comfortable months to visit Oskaloosa city, IA are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -11°C low). July is usually the wettest month.
Where to stay near Oskaloosa
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.