Oskaloosa Flag

Oskaloosa

County Seat:
Yes
Area (mi²):
56.952
State:
Kansas

Oskaloosa is located in Jefferson County, Kansas. Oskaloosa has a 2025 population of 2,154 . It is also the county seat of Jefferson County . Oskaloosa is currently declining at a rate of -0.05% annually and its population has decreased by -0.37% since the most recent census, which recorded a population of 2,162 in 2020.

The average household income in Oskaloosa is $99,949 with a poverty rate of 11%. The median age in Oskaloosa is 37.5 years: 39.2 years for males, and 35.8 years for females. For every 100 females there are 108.3 males.

2.2K
Total Population
38
Density (mi²)
-1 -0.05%
Growth

Oskaloosa Population

Oskaloosa Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oskaloosa includes 92.97% White, and smaller percentages for other race, Asian, Native American, Black or African American and multiracial populations.

Population by Race

White (92.97%)

Two or more races (4.86%)

Other race (1.88%)

Asian (0.17%)

Native American (0.09%)

Black or African American (0.04%)

Race
Population
Percentage (of total)
White2,18192.97%
Two or more races1144.86%
Other race441.88%
Asian40.17%
Native American20.09%
Black or African American10.04%

Oskaloosa Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oskaloosa's average per capita income is $57,535. Household income levels show a median of $77,467. The poverty rate stands at 11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$108,947-
Families$100,208$113,939
Households$77,467$99,949
Non Families$40,221$54,682

$57,535

Average Income

$77,467

Median Household Income

11%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)