Oskaloosa is a city located in Mahaska County Iowa. Oskaloosa has a 2024 population of 11,426. It is also the county seat of Mahaska County. Oskaloosa is currently declining at a rate of -0.24% annually and its population has decreased by -0.97% since the most recent census, which recorded a population of 11,538 in 2020.
The average household income in Oskaloosa is $76,198 with a poverty rate of 17.04%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Oskaloosa is 36.5 years, 34.4 years for males, and 39.8 years for females.
According to the most recent ACS, the racial composition of Oskaloosa was:
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 4,588 | 2.36 | 58.4 | 41.6 |
| Married | 2,033 | 2.92 | 78.5 | 21.5 |
| Non Family | 1,694 | 1.28 | 42.9 | 57.1 |
| Female | 647 | 3.15 | 39.4 | 60.6 |
| Male | 214 | 3.21 | 48.1 | 51.9 |
2.86
Average Family Size
2.36
Average Household Size
58.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among native american people with a rate of 100%.
All
Male
Female
$41,667
Average Earnings
$47,079
Average Male
$34,849
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.01% of Oskaloosa residents speak only English, while 2.99% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.5% of the population.
rate
17.04%
Overall Poverty Rate
14.83%
Male Poverty Rate
19.21%
Female Poverty Rate
The race most likely to be in poverty in Oskaloosa is Native, with 72.73% below the poverty level.
The race least likely to be in poverty in Oskaloosa is Hispanic, with 14.1% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.11%. Among those working part-time, it was 32.62%, and for those that did not work, the poverty rate was 18.86%.
Married
Widowed
Divorced
Separated
NeverMarried
46.2%
Overall Marriage Rate
48.0%
Male Marriage Rate
44.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.95%
Veteran Poverty Rate
33.16%
Veteran Disability Rate
LaborForceParticipation
65.5%
Labor Force Participation
62.7%
Employment Rate
4.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
72.58%
Born in Oskaloosa
97.75%
Native Born
2.25%
Foreign Born
1.27%
Non Citizen
0.97%
Naturalized
97.75% of Oskaloosa residents were born in the United States, with 72.58% having been born in Iowa. 1.27% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 11,286 | -28 | -0.25% |
| 2028 | 11,314 | -28 | -0.25% |
| 2027 | 11,342 | -28 | -0.25% |
| 2026 | 11,370 | -28 | -0.25% |
| 2025 | 11,398 | -28 | -0.25% |
| 2024 | 11,426 | -28 | -0.24% |
| 2023 | 11,454 | -28 | -0.24% |
| 2022 | 11,482 | 23 | 0.2% |
| 2021 | 11,459 | -79 | -0.68% |
| 2020 | 11,538 | -273 | -2.31% |
| 2019 | 11,811 | 190 | 1.63% |
| 2018 | 11,621 | -121 | -1.03% |
| 2017 | 11,742 | 118 | 1.02% |
| 2016 | 11,624 | -39 | -0.33% |
| 2015 | 11,663 | 40 | 0.34% |
| 2014 | 11,623 | 62 | 0.54% |
| 2013 | 11,561 | 25 | 0.22% |
| 2012 | 11,536 | -36 | -0.31% |
| 2011 | 11,572 | 54 | 0.47% |
| 2010 | 11,518 | 580 | 5.3% |
| 2000 | 10,938 | 306 | 2.88% |
| 1990 | 10,632 | -357 | -3.25% |
| 1980 | 10,989 | -235 | -2.09% |
| 1970 | 11,224 | 171 | 1.55% |
| 1960 | 11,053 | -71 | -0.64% |
| 1950 | 11,124 | 100 | 0.91% |
| 1940 | 11,024 | 901 | 8.9% |
| 1930 | 10,123 | 696 | 7.38% |
| 1920 | 9,427 | -39 | -0.41% |
| 1910 | 9,466 | 254 | 2.76% |
| 1900 | 9,212 | 2,654 | 40.47% |
| 1890 | 6,558 | 1,960 | 42.63% |
| 1880 | 4,598 | 1,394 | 43.51% |
| 1870 | 3,204 | 0 | 0% |