Data / Warren County / Profile

Warren County in figures

A profile of Warren County from official statistics: 24 figures in 5 sections, each with its period, its change from a year earlier, its rank among similar places where a ranking exists, and its source.

Figures last updated on 2026-10-12.

People

Population in Warren County was 57,331 in 2025, up 1.5% from 2024, and the 11th highest of 99 counties in Iowa.

Population57,3312025Up 1.5% from 2024The 11th highest of 99 counties in Iowa
Median age38.8 years2024Up 0.1 years from 2023The 15th lowest of 99 counties in Iowa
Population aged 65 and over18.4%2025Up 0.4 percentage points from 2024The 7th lowest of 99 counties in Iowa
Foreign-born population share1.5%2024Down 0.1 percentage points from 2023
Population density38.9 inhabitants per km²2025Up 1.5% from 2024
Net domestic migration, July to June7202025, estimatedCompared with 986 in 2024
52K53K54K55K56K57K58K2020202120222023202420252020: 52,597 persons2021: 53,515 persons2022: 54,357 persons2023: 55,355 persons2024: 56,496 persons2025: 57,331 persons
Population, 2020 to 2025. persons. Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program).

Sources: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program); U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population; U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs; U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km²; U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Population and demography statistics and rankings

Work and income

Unemployment rate in Warren County was 3.3% (provisional) in August 2026, up 0.1 percentage points from August 2025, and tied for the 41st highest of 99 counties in Iowa.

Unemployment rate3.3%August 2026, provisionalUp 0.1 percentage points from August 2025Tied for the 41st highest of 99 counties in Iowa
Median household income$94,5882024Up 1.7% from 2023The 2nd highest of 99 counties in Iowa
Per capita personal income$66,6382024Up 3.8% from 2023The 32nd highest of 99 counties in Iowa
Poverty rate (US official measure)6.6%2024Up 0.8 percentage points from 2023
Gini index39.42024Down 0.1 points from 2023
1.522.533.542021-072022-042023-012023-102024-072025-042026-082021-07: 3.6 %2021-08: 3.3 %2021-09: 2.6 %2021-10: 2.6 %2021-11: 2.3 %2021-12: 2.3 %2022-01: 3.3 %2022-02: 2.9 %2022-03: 2.6 %2022-04: 1.8 %2022-05: 2.2 %2022-06: 2.6 %2022-07: 2.8 %2022-08: 2.9 %2022-09: 2.3 %2022-10: 2.6 %2022-11: 2.6 %2022-12: 2.5 %2023-01: 3.6 %2023-02: 3.2 %2023-03: 3 %2023-04: 2.1 %2023-05: 2.4 %2023-06: 2.6 %2023-07: 2.6 %2023-08: 2.8 %2023-09: 2.4 %2023-10: 2.8 %2023-11: 2.4 %2023-12: 2.4 %2024-01: 3.4 %2024-02: 3 %2024-03: 2.7 %2024-04: 2 %2024-05: 2.4 %2024-06: 2.8 %2024-07: 3.2 %2024-08: 3.1 %2024-09: 2.6 %2024-10: 3 %2024-11: 3 %2024-12: 2.8 %2025-01: 3.9 %2025-02: 3.7 %2025-03: 3.3 %2025-04: 2.7 %2025-05: 3.1 %2025-06: 3.1 %2025-07: 3.4 %2025-08: 3.2 %2025-09: 2.8 %2025-11: 2.8 %2025-12: 3 %2026-01: 3.6 %2026-02: 3.3 %2026-03: 3 %2026-04: 2.3 %2026-05: 2.6 %2026-06: 2.9 %2026-07: 3.1 %2026-08: 3.3 %
Unemployment rate, July 2021 to August 2026. %. Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted.

Sources: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B19013: median household income in the past 12 months; U.S. Bureau of Economic Analysis, CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents; U.S. Census Bureau, Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties; U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Labor market statistics and rankings

Economy

GDP (US dollars) in Warren County was $1.89 billion in 2024, up 5.3% from 2023, and the 23rd highest of 99 counties in Iowa.

Gross domestic product (GDP), US dollars$1.89 billion2024Up 5.3% from 2023The 23rd highest of 99 counties in Iowa
GDP per capita, US dollars$33,4632024Up 3.4% from 2023The lowest of 99 counties in Iowa
Real GDP growth2.3%2024Up 3.5 percentage points from 2023The 45th highest of 99 counties in Iowa
5001,0001,5002,00020012005200920132017202120242001: 520.7 USD million2002: 562.7 USD million2003: 600.9 USD million2004: 674 USD million2005: 698.6 USD million2006: 726.1 USD million2007: 771.4 USD million2008: 824.2 USD million2009: 848.6 USD million2010: 848.2 USD million2011: 909.9 USD million2012: 988.4 USD million2013: 1,020.8 USD million2014: 1,066.3 USD million2015: 1,101.5 USD million2016: 1,187.5 USD million2017: 1,238.8 USD million2018: 1,271.3 USD million2019: 1,342.1 USD million2020: 1,378.6 USD million2021: 1,568.5 USD million2022: 1,711.7 USD million2023: 1,790 USD million2024: 1,885.4 USD million
Gross domestic product (GDP), US dollars, 2001 to 2024. USD million. Source: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions).

Sources: U.S. Bureau of Economic Analysis, CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions); Invokely, GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1); U.S. Bureau of Economic Analysis, CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. Economy statistics and rankings

Prices and housing

Median home value in Warren County was $269,600 in 2024, up 6.6% from 2023, and the 4th highest of 99 counties in Iowa.

Median home value$269,6002024Up 6.6% from 2023The 4th highest of 99 counties in Iowa
County house price annual change, sales and refinances1.21%2025Down 3.45 percentage points from 2024The 19th lowest of 96 counties in Iowa
Median gross rent (monthly)$9732024Down 0.2% from 2023The 10th highest of 99 counties in Iowa
Homeownership rate (US, housing units)82.3%2024Down 0.7 percentage points from 2023
Housing units authorized by building permits4652025, estimatedUp 6.2% from 2024
200K220K240K260K280K20212022202320242021: 210,800 USD2022: 234,300 USD2023: 252,800 USD2024: 269,600 USD
Median home value, 2021 to 2024. USD. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units.

Sources: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units; Federal Housing Finance Agency, FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted; U.S. Census Bureau, American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent; U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs; U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. Housing statistics and rankings

Business and tourism

Employer firms in Warren County were 814 in 2023, up 6.1% from 2022, and the 15th highest of 99 counties in Iowa.

Employer firms8142023Up 6.1% from 2022The 15th highest of 99 counties in Iowa
Establishment entry rate13.868%2023Up 4.46 percentage points from 2022The highest of 99 counties in Iowa
Establishment exit rate9.398%2023Down 1.87 percentage points from 2022The 23rd highest of 99 counties in Iowa
Job creation rate16.431%2023Down 0.31 percentage points from 2022
Farms1,3882022No 2021 figure to compare
60065070075080085019992003200720112015201920231999: 663 count2000: 658 count2001: 649 count2002: 654 count2003: 656 count2004: 676 count2005: 672 count2006: 691 count2007: 664 count2008: 653 count2009: 639 count2010: 627 count2011: 630 count2012: 627 count2013: 644 count2014: 655 count2015: 658 count2016: 673 count2017: 700 count2018: 711 count2019: 740 count2020: 755 count2021: 785 count2022: 767 count2023: 814 count
Employer firms, 1999 to 2023. count. Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties.

Sources: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties; U.S. Census Bureau, Business Dynamics Statistics: establishment entry rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Census Bureau, Business Dynamics Statistics: establishment exit rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Census Bureau, Business Dynamics Statistics: job creation rate, all covered industries, nation and states from 1978, counties from 2010; U.S. Department of Agriculture, National Agricultural Statistics Service, Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Companies statistics and rankings

Sources and citations

Each figure comes from the table cited here. Cite the publisher; these citations include any notice the publisher requires.

  1. U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
  2. U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.
  3. U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.
  4. U.S. Census Bureau. American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat. Retrieved 2026-10-09.
  5. U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
  6. U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
  7. U.S. Bureau of Labor Statistics. Local Area Unemployment Statistics: unemployment rate by county, not seasonally adjusted. https://download.bls.gov/pub/time.series/la/la.data.0.CurrentU25-29. Retrieved 2026-10-08.
  8. U.S. Census Bureau. American Community Survey 5-year estimates, table B19013: median household income in the past 12 months. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19013.dat. Retrieved 2026-10-08.
  9. U.S. Bureau of Economic Analysis. CAINC1: county annual personal income summary, per capita personal income, current dollars, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAINC1.zip. Retrieved 2026-10-11.
  10. U.S. Census Bureau. Small Area Income and Poverty Estimates (SAIPE): percent of people of all ages in poverty, states and counties. https://www2.census.gov/programs-surveys/saipe/datasets/2024/2024-state-and-county/est24all.txt. Retrieved 2026-10-08.
  11. U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-10.
  12. U.S. Bureau of Economic Analysis. CAGDP1: county GDP summary, current-dollar GDP (published in thousands of dollars, shown in millions). https://apps.bea.gov/regional/zip/CAGDP1.zip. Retrieved 2026-10-08.
  13. Invokely calculation from GDP in current dollars (BEA SAGDP2 and CAGDP1) divided by mid-year population (BEA SAINC1 and CAINC1). https://invokely.ai/docs/methodology#gdp_per_capita_usd. Retrieved 2026-10-09.
  14. U.S. Bureau of Economic Analysis. CAGDP11: annual percent change in real GDP, all industry total, individual counties and county equivalents. https://apps.bea.gov/regional/zip/CAGDP11.zip. Retrieved 2026-10-08.
  15. U.S. Census Bureau. American Community Survey 5-year estimates, table B25077: median value (dollars), owner-occupied housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25077.dat. Retrieved 2026-10-09.
  16. Federal Housing Finance Agency (FHFA). FHFA developmental all-transactions county house prices, published annual percent change, nominal, not seasonally adjusted. https://www.fhfa.gov/hpi/download/annual/hpi_at_county.xlsx. Retrieved 2026-10-10.
  17. U.S. Census Bureau. American Community Survey 5-year estimates, table B25064: median gross rent (dollars), renter-occupied housing units paying cash rent. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25064.dat. Retrieved 2026-10-09.
  18. U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: owner-occupied housing units as a percentage of occupied housing units, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25003.dat. Retrieved 2026-10-09.
  19. U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
  20. U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.
  21. U.S. Census Bureau. Business Dynamics Statistics: establishment entry rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
  22. U.S. Census Bureau. Business Dynamics Statistics: establishment exit rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
  23. U.S. Census Bureau. Business Dynamics Statistics: job creation rate, all covered industries, nation and states from 1978, counties from 2010. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-12.
  24. Source: USDA National Agricultural Statistics Service, Census of Agriculture. Census of Agriculture: number of farms, nation, states and counties (1997 to 2022). Retrieved through Data Commons (datacommons.org). https://www.nass.usda.gov/AgCensus/. Retrieved 2026-10-11. Retrieved through Data Commons (https://datacommons.org).

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