Lucas County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 84th-largest in Iowa
The population of Lucas County, Iowa is 8,685 as of the 2023 American Community Survey, making it the 84th-largest county in Iowa. The median household income is $67,921, the median home value is $117,000, and the median age is 43.3.
The population of Lucas County has declined 1.6% since 2010 (8,897 → 8,758), a -0.11% annualized rate.
8,685
Population
-0.11%
Annual growth
20
People / sq mi
$67,921
Median Income
$117,000
Median Home Value
Lucas County covers 431 sq mi of land at 20.2 people per square mile.
About Lucas County, IA
Lucas County is a county in Iowa with a population of 8,685. It ranks #84 among counties in Iowa by population. The median age is 43.3, older than the national median. The population is 51.6% male and 48.4% female.
The median household income in Lucas County is $67,921, below the US median of $74,580. 12.4% of residents live below the federal poverty level. Home values sit at a median of $117,000, with monthly rent averaging $738. The homeownership rate of 81.1% is higher than the national rate of 64.8%.
Educational attainment in Lucas County reflects 14.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.5 minutes each way.
Lucas County Population History (2010-2024)
The county of Lucas County had a population of 8,897 in 2010 and 8,758 in 2024, a -1.6% growth over 14 years. The peak was 8,897 in 2010. Average annual growth rate: -0.11%.
8,758
Population (2024)
8,897
Population (2010)
8,897
Peak (2010)
-0.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,897 |
| 2011 | 8,879 |
| 2012 | 8,777 |
| 2013 | 8,695 |
| 2014 | 8,633 |
| 2015 | 8,609 |
| 2016 | 8,565 |
| 2017 | 8,537 |
| 2018 | 8,590 |
| 2019 | 8,561 |
| 2020 | 8,620 |
| 2021 | 8,708 |
| 2022 | 8,720 |
| 2023 | 8,775 |
| 2024 | 8,758 |
Race & Ethnicity
| White | 96.0% |
| Black or African American | 0.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Age & Sex
43.3
Median Age
48.4%
Female
51.6%
Male
21.6%
Age 65+
Age Distribution
Children (under 15): 19.1% · Seniors (65+): 21.6%
Income & Poverty
| Median household income | $67,921$-5,226 vs state |
| Mean household income | $77,148 |
| Per-capita income | $32,962 |
| Poverty rate | 12.4%+5.5% vs state |
| Unemployment rate | 2.3% |
| Employment-to-population | 58.6% |
Top Industries by Employment
The largest employment sector in Lucas County is professional & business services, accounting for 16.6% of workers.
How residents commute
0.2%
Drive alone
2.3%
Carpool
81.1%
Public transit
5.4%
Work from home
21.5 min
Avg commute
Housing
$117,000$-78,900 vs state
Median home value
$738
Median rent
81.1%
Homeownership rate
4,077
Total housing units
90.1%
Occupied
9.9%
Vacant
18.9%
Renter-occupied
Social & access
92.1%
With health insurance
87.3%
With broadband internet
18.2%
Foreign-born
7.5%
Veterans (18+)
16.7%
With a disability
95.4%
Speak language other than English at home
Education
92.5%
High School+
14.5%
Bachelor's+
Largest cities in Iowa
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Part of Iowa
Metro areas in Iowa
County rankings
Frequently Asked Questions
Lucas County, Iowa has a population of 8,685 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 84th-largest county in Iowa. Population density is 20 people per square mile.
The population of Lucas County has declined 1.6% since 2010 (8,897 → 8,758), a -0.11% annualized rate.
The median household income in Lucas County, Iowa is $67,921, with mean (average) household income of $77,148 and per-capita income of $32,962. 12.4% of residents live below the federal poverty level.
In Lucas County, the largest racial and ethnic groups are White (96.0%), Hispanic or Latino (0.8%), Black or African American (0.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lucas County, Iowa is 43.3 years. Residents are 48.4% female and 51.6% male.
The median home value in Lucas County is $117,000 and median monthly rent is $738. 81.1% of occupied housing units are owner-occupied. The county has 4,077 total housing units, 9.9% of which are vacant.
The largest employment sector in Lucas County, Iowa is professional, scientific, and management services, employing 16.6% of workers. The unemployment rate is 2.3%.
Des Moines is among the largest cities associated with Lucas County, Iowa, with a population of 212,464.
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Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.