Harrison township Flag

Harrison township

County:
Mahaska County
County Seat:
No
Area (mi²):
36.199
State:
Iowa

Harrison township is located in Mahaska County, Iowa. Harrison township has a 2025 population of 838. Harrison township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Harrison township is $71,725 with a poverty rate of 3.46%. The median age in Harrison township is 32.6 years: 32.1 years for males, and 34 years for females.

838
Total Population
23
Density (mi²)
0 0%
Growth

Harrison township Population

Harrison township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Harrison township includes 88.9% White, 3.46% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White74588.9%
Two or more races647.64%
Asian293.46%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

Harrison township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Harrison township's average per capita income is $48,750. Household income levels show a median of $62,236. The poverty rate stands at 3.46%.

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$80,174-
Families$74,375$77,234
Households$62,236$71,725
Non Families$24,375$39,421

$48,750

Average Income

$62,236

Median Household Income

3.46%

Poverty Rate

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)