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Population Review

Marion County, IA — Population & Demographics

Marion County, IA has a population of 33,551. The median household income is $78,059 and the median age is 39.7.

33,551

Population

$78,059

Median Income

$211,100

Median Home Value

39.7

Median Age

Race & Ethnicity

White94.8%
Black or African American0.5%
Asian0.0%
Hispanic or Latino (any race)0.4%
Two or More Races0.0%

Economy & Income

$78,059

Median Household Income

$40,540

Per Capita Income

4.4%

Poverty Rate

1.2%

Unemployment

Housing

$211,100

Median Home Value

$880

Median Rent

77.7%

Homeownership

Education

94.6%

High School+

33.1%

Bachelor's+

Frequently Asked Questions

Marion County, IA has a population of 33,551 according to Census ACS 2023 data.

The median household income in Marion County, IA is $78,059.

Data from the American Community Survey (ACS) 5-Year estimates.