Winnebago County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 69th-largest in Iowa
The population of Winnebago County, Iowa is 10,648 as of the 2023 American Community Survey, making it the 69th-largest county in Iowa. The median household income is $63,719, the median home value is $132,300, and the median age is 41.7.
The population of Winnebago County has declined 4.3% since 2010 (10,845 → 10,383), a -0.31% annualized rate.
10,648
Population
-0.31%
Annual growth
27
People / sq mi
$63,719
Median Income
$132,300
Median Home Value
Winnebago County covers 400 sq mi of land at 26.6 people per square mile.
About Winnebago County, IA
Winnebago County is distinguished by its share of foreign-born residents, 35.8% of the population. With 10,648 residents, Winnebago County is a county in Iowa.
The typical household here earns about $63,719, below the US median of $78,538. About 7.9% of residents live below the federal poverty level, below the national 12.4%. Homes are comparatively cheap — a median value of $132,300, with typical rent around $712.
25.1% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. About 6.9% of the workforce is home-based, below the national 14.0%, and the average commute runs about 16 minutes each way.
The large foreign-born share is a defining thread in Winnebago County, shaping language, household composition, and the labor force behind the economic figures above.
Winnebago County Population History (2010-2024)
The county of Winnebago County had a population of 10,845 in 2010 and 10,383 in 2024, a -4.3% growth over 14 years. The peak was 10,845 in 2010. Average annual growth rate: -0.30%.
10,383
Population (2024)
10,845
Population (2010)
10,845
Peak (2010)
-0.30%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,845 |
| 2011 | 10,699 |
| 2012 | 10,608 |
| 2013 | 10,440 |
| 2014 | 10,567 |
| 2015 | 10,612 |
| 2016 | 10,599 |
| 2017 | 10,582 |
| 2018 | 10,555 |
| 2019 | 10,357 |
| 2020 | 10,656 |
| 2021 | 10,657 |
| 2022 | 10,651 |
| 2023 | 10,563 |
| 2024 | 10,383 |
Race & Ethnicity
| White | 90.8% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.3% |
| Two or More Races | 0.0% |
Age & Sex
41.7
Median Age
49.2%
Female
50.8%
Male
21.6%
Age 65+
Age Distribution
Children (under 15): 17.7% · Seniors (65+): 21.6%
Income & Poverty
| Median household income | $63,719$-9,428 vs state |
| Mean household income | $84,968 |
| Per-capita income | $36,877 |
| Poverty rate | 7.9%+1.0% vs state |
| Unemployment rate | 1.8% |
| Employment-to-population | 62.5% |
Top Industries by Employment
The largest employment sector in Winnebago County is professional & business services, accounting for 23.7% of workers.
How residents commute
0.1%
Drive alone
4.5%
Carpool
79.9%
Public transit
6.9%
Work from home
15.7 min
Avg commute
Housing
$132,300$-63,600 vs state
Median home value
$712
Median rent
74.4%
Homeownership rate
5,080
Total housing units
90.4%
Occupied
9.6%
Vacant
25.6%
Renter-occupied
Social & access
95.5%
With health insurance
93.1%
With broadband internet
35.8%
Foreign-born
6.3%
Veterans (18+)
12.2%
With a disability
93.9%
Speak language other than English at home
Education
94.7%
High School+
25.1%
Bachelor's+
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County rankings
Frequently Asked Questions
Winnebago County, Iowa has a population of 10,648 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 69th-largest county in Iowa. Population density is 27 people per square mile.
The population of Winnebago County has declined 4.3% since 2010 (10,845 → 10,383), a -0.31% annualized rate.
The median household income in Winnebago County, Iowa is $63,719, with mean (average) household income of $84,968 and per-capita income of $36,877. 7.9% of residents live below the federal poverty level.
In Winnebago County, the largest racial and ethnic groups are White (90.8%), Black or African American (0.9%), Hispanic or Latino (0.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Winnebago County, Iowa is 41.7 years. Residents are 49.2% female and 50.8% male.
The median home value in Winnebago County is $132,300 and median monthly rent is $712. 74.4% of occupied housing units are owner-occupied. The county has 5,080 total housing units, 9.6% of which are vacant.
The largest employment sector in Winnebago County, Iowa is professional, scientific, and management services, employing 23.7% of workers. The unemployment rate is 1.8%.
Des Moines is among the largest cities associated with Winnebago 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.