Marion County, Iowa

Total Population: 33,551

County Seat: Knoxville

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Median Home Value

$211,100

Owner-occupied units

Median Household Income

$78,059

Across all households

Median Age

39.7 yrs

Across all residents

Bachelor's Degree+

33.1%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)93.6%
Hispanic or Latino2.2%
Two or More Races2.1%
Asian (Non-Hispanic)1.3%
Black (Non-Hispanic)0.5%
Other Race0.1%

Under 18 Years

23.4%

65 Years and Over

18.9%

Male

50.2%

Female

49.8%

U.S. Citizens (18+)

99.0%

No Health Insurance

2.5%

Education

3 fields

High School Graduate or Higher (25+)

94.6%

Bachelor's Degree or Higher (25+)

33.1%

Enrolled in College (18+)

8.1%

Economics

6 fields

Median Household Income

$78,059

Mean Household Income

$100,349

Per Capita Income

$40,540

Unemployment Rate (16+)

1.9%

In Labor Force (19–64)

82.6%

SNAP / Food Stamps

8.5%

Housing & Households

13 fields

Median Home Value

$211,100

Median Rent

$880/mo

Total Housing Units

14,268

Owner-Occupied

77.7%

Renter-Occupied

22.3%

Vacancy Rate

6.0%

Married Couple Households

58.6%

Cohabiting Couple Households

5.3%

Male Householder, No Partner

15.0%

Female Householder, No Partner

21.1%

Average Household Size

2.38

Broadband Internet Access

87.2%

Housing Built Since 2010

7.5%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 19125.