Plymouth County, Iowa
Population estimates, July 1, 2025, (V2025) 25,697
People
Population
Population estimates, July 1, 2025, (V2025) 25,697
Population estimates, July 1, 2024, (V2024) 25,825
Population estimates base, April 1, 2020, (V2025) 25,703
Population estimates base, April 1, 2020, (V2024) 25,698
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.0%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 0.5%
Population, Census, April 1, 2020 25,698
Population, Census, April 1, 2010 24,986
Age and Sex
Persons under 5 years, percent 6.0%
Persons under 18 years, percent 24.6%
Persons 65 years and over, percent 20.3%
Female persons, percent 49.4%
Race and Hispanic Origin
White alone, percent 93.2%
Black alone, percent(a) 2.6%
American Indian and Alaska Native alone, percent(a) 1.0%
Asian alone, percent(a) 0.7%
Native Hawaiian and Other Pacific Islander alone, percent(a) 1.0%
Two or More Races, percent 1.5%
Hispanic or Latino, percent(b) 7.1%
White alone, not Hispanic or Latino, percent 87.1%
Population Characteristics
Veterans, 2020-2024 1,334
Foreign-born persons, percent, 2020-2024 3.7%
Housing
Housing Units, July 1, 2025, (V2025) 11,097
Owner-occupied housing unit rate, 2020-2024 73.6%
Median value of owner-occupied housing units, 2020-2024 $228,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,426
Median selected monthly owner costs - without a mortage, 2020-2024 $577
Median gross rent, 2020-2024 $910
Building Permits, 2025 45
Families & Living Arrangements
Households, 2020-2024 10,313
Persons per household, 2020-2024 2.46
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 90.7%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 6.9%
Computer and Internet Use
Households with a computer, percent, 2020-2024 94.4%
Households with a broadband Internet subscription, percent, 2020-2024 89.8%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 94.8%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 21.7%
Health
With a disability, under age 65 years, percent, 2020-2024 7.9%
Persons without health insurance, under age 65 years, percent 5.8%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 68.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 64.1%
Total accommodation and food services sales, 2022 ($1,000)(c) 34,530
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 101,133
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 451,954
Total retail sales, 2022 ($1,000)(c) 409,503
Total retail sales per capita, 2022(c) $15,920
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 19.2
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $83,251
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $41,532
Persons in poverty, percent 7.6%
Businesses
Businesses
Total employer establishments, 2023 667
Total employment, 2023 10,405
Total annual payroll, 2023 ($1,000) 714,960
Total employment, percent change, 2022-2023 3.2%
Total nonemployer establishments, 2023 1,913
All employer firms, Reference year 2023 479
Male-owned employer firms, Reference year 2023 292
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 399
Veteran-owned employer firms, Reference year 2023 4
Nonveteran-owned employer firms, Reference year 2023 385
Geography
Geography
Population per square mile, 2020 29.8
Population per square mile, 2010 29.0
Land area in square miles, 2020 862.83
Land area in square miles, 2010 862.89
FIPS Code 19149