Skip to main content
Population Review

Plymouth County, IA — Population & Demographics

Plymouth County, IA has a population of 25,699. The median household income is $81,600 and the median age is 41.1.

25,699

Population

$81,600

Median Income

$218,600

Median Home Value

41.1

Median Age

Race & Ethnicity

White90.5%
Black or African American2.4%
Asian0.0%
Hispanic or Latino (any race)1.0%
Two or More Races0.0%

Economy & Income

$81,600

Median Household Income

$42,241

Per Capita Income

4.1%

Poverty Rate

1.3%

Unemployment

Housing

$218,600

Median Home Value

$865

Median Rent

73.7%

Homeownership

Education

94.2%

High School+

23.9%

Bachelor's+

Frequently Asked Questions

Plymouth County, IA has a population of 25,699 according to Census ACS 2023 data.

The median household income in Plymouth County, IA is $81,600.

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