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
Educational attainment is the headline number in Lucas County: 14.5% of adults 25 and older have a four-year degree. With 8,685 residents, Lucas County is a county in Iowa.
Household earnings are middling, with a median of $67,921 — below the US median of $78,538. Roughly 12.4% of residents fall below the poverty line, close to the national 12.4%. Property is affordable here, the median home worth $117,000, with typical rent around $738.
College attainment is 14.5%, below the national 35.0%. Most workers commute: only 5.4% work from home, below the national 14.0%, and the average commute runs about 22 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
Other counties in Iowa
Part of Iowa
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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.