Delaware County, Iowa
Population estimates, July 1, 2024, (V2024) 17,609
People
Population
Population estimates, July 1, 2025, (V2025) 17,674
Population estimates, July 1, 2024, (V2024) 17,609
Population estimates base, April 1, 2020, (V2025) 17,481
Population estimates base, April 1, 2020, (V2024) 17,479
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 1.1%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 0.7%
Population, Census, April 1, 2020 17,488
Population, Census, April 1, 2010 17,764
Age and Sex
Persons under 5 years, percent 6.0%
Persons under 18 years, percent 22.7%
Persons 65 years and over, percent 22.7%
Female persons, percent 49.2%
Race and Hispanic Origin
White alone, percent 97.3%
Black alone, percent(a) 1.2%
American Indian and Alaska Native alone, percent(a) 0.2%
Asian alone, percent(a) 0.4%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 0.9%
Hispanic or Latino, percent(b) 2.0%
White alone, not Hispanic or Latino, percent 95.6%
Population Characteristics
Veterans, 2020-2024 853
Foreign-born persons, percent, 2020-2024 0.3%
Housing
Housing Units, July 1, 2025, (V2025) 8,268
Owner-occupied housing unit rate, 2020-2024 79.6%
Median value of owner-occupied housing units, 2020-2024 $177,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,517
Median selected monthly owner costs - without a mortage, 2020-2024 $603
Median gross rent, 2020-2024 $764
Building Permits, 2025 33
Families & Living Arrangements
Households, 2020-2024 7,369
Persons per household, 2020-2024 2.35
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 93.4%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 90.2%
Households with a broadband Internet subscription, percent, 2020-2024 85.9%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 93.7%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 22.6%
Health
With a disability, under age 65 years, percent, 2020-2024 10.5%
Persons without health insurance, under age 65 years, percent 5.4%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 69.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 64.3%
Total accommodation and food services sales, 2022 ($1,000)(c) 15,480
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 105,595
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 56,910
Total retail sales, 2022 ($1,000)(c) 259,988
Total retail sales per capita, 2022(c) $14,766
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 20.3
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $74,989
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $41,445
Persons in poverty, percent 8.5%
Businesses
Businesses
Total employer establishments, 2023 522
Total employment, 2023 5,906
Total annual payroll, 2023 ($1,000) 300,454
Total employment, percent change, 2022-2023 0.9%
Total nonemployer establishments, 2023 1,498
All employer firms, Reference year 2023 427
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 50
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 380
Veteran-owned employer firms, Reference year 2023 43
Nonveteran-owned employer firms, Reference year 2023 325
Geography
Geography
Population per square mile, 2020 30.3
Population per square mile, 2010 30.7
Land area in square miles, 2020 577.68
Land area in square miles, 2010 577.76
FIPS Code 19055