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Population Review

Marshall County, IA — Population & Demographics

Marshall County, IA has a population of 39,971. The median household income is $72,785 and the median age is 38.7.

39,971

Population

$72,785

Median Income

$134,100

Median Home Value

38.7

Median Age

Race & Ethnicity

White74.6%
Black or African American1.9%
Asian0.0%
Hispanic or Latino (any race)1.9%
Two or More Races0.0%

Economy & Income

$72,785

Median Household Income

$32,737

Per Capita Income

7.7%

Poverty Rate

2.7%

Unemployment

Housing

$134,100

Median Home Value

$860

Median Rent

73.3%

Homeownership

Education

87.0%

High School+

21.4%

Bachelor's+

Frequently Asked Questions

Marshall County, IA has a population of 39,971 according to Census ACS 2023 data.

The median household income in Marshall County, IA is $72,785.

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