Greene County, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 83rd-largest in Iowa
The population of Greene County, Iowa is 8,722 as of the 2023 American Community Survey, making it the 83rd-largest county in Iowa. The median household income is $59,159, the median home value is $140,500, and the median age is 44.8.
The population of Greene County has declined 7.5% since 2010 (9,362 → 8,662), a -0.55% annualized rate.
8,722
Population
-0.55%
Annual growth
15
People / sq mi
$59,159
Median Income
$140,500
Median Home Value
Greene County covers 570 sq mi of land at 15.3 people per square mile.
About Greene County, IA
Greene County is a county in Iowa with a population of 8,722. It ranks #83 among counties in Iowa by population. The median age is 44.8, older than the national median. The population is 50.6% male and 49.4% female.
The median household income in Greene County is $59,159, below the US median of $74,580. 7.2% of residents live below the federal poverty level. Home values sit at a median of $140,500, with monthly rent averaging $774. The homeownership rate of 74.3% is higher than the national rate of 64.8%.
Educational attainment in Greene County reflects 19.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.8 minutes each way.
Greene County Population History (2010-2024)
The county of Greene County had a population of 9,362 in 2010 and 8,662 in 2024, a -7.5% growth over 14 years. The peak was 9,362 in 2010. Average annual growth rate: -0.55%.
8,662
Population (2024)
9,362
Population (2010)
9,362
Peak (2010)
-0.55%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,362 |
| 2011 | 9,331 |
| 2012 | 9,181 |
| 2013 | 9,158 |
| 2014 | 9,127 |
| 2015 | 8,947 |
| 2016 | 9,011 |
| 2017 | 8,959 |
| 2018 | 8,971 |
| 2019 | 8,881 |
| 2020 | 8,750 |
| 2021 | 8,726 |
| 2022 | 8,707 |
| 2023 | 8,597 |
| 2024 | 8,662 |
Race & Ethnicity
| White | 93.8% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
44.8
Median Age
49.4%
Female
50.6%
Male
24.5%
Age 65+
Age Distribution
Children (under 15): 17.2% · Seniors (65+): 24.5%
Income & Poverty
| Median household income | $59,159$-13,988 vs state |
| Mean household income | $78,888 |
| Per-capita income | $36,237 |
| Poverty rate | 7.2%+0.3% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 60.2% |
Top Industries by Employment
The largest employment sector in Greene County is professional & business services, accounting for 25.4% of workers.
How residents commute
0.1%
Drive alone
2.1%
Carpool
77.1%
Public transit
6.8%
Work from home
23.8 min
Avg commute
Housing
$140,500$-55,400 vs state
Median home value
$774
Median rent
74.3%
Homeownership rate
4,316
Total housing units
91.0%
Occupied
9.0%
Vacant
25.7%
Renter-occupied
Social & access
96.6%
With health insurance
94.2%
With broadband internet
17.0%
Foreign-born
9.2%
Veterans (18+)
16.9%
With a disability
97.0%
Speak language other than English at home
Education
93.0%
High School+
19.8%
Bachelor's+
Largest cities in Iowa
Other counties in Iowa
Part of Iowa
Metro areas in Iowa
County rankings
Frequently Asked Questions
Greene County, Iowa has a population of 8,722 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 83rd-largest county in Iowa. Population density is 15 people per square mile.
The population of Greene County has declined 7.5% since 2010 (9,362 → 8,662), a -0.55% annualized rate.
The median household income in Greene County, Iowa is $59,159, with mean (average) household income of $78,888 and per-capita income of $36,237. 7.2% of residents live below the federal poverty level.
In Greene County, the largest racial and ethnic groups are White (93.8%), Hispanic or Latino (1.9%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Greene County, Iowa is 44.8 years. Residents are 49.4% female and 50.6% male.
The median home value in Greene County is $140,500 and median monthly rent is $774. 74.3% of occupied housing units are owner-occupied. The county has 4,316 total housing units, 9.0% of which are vacant.
The largest employment sector in Greene County, Iowa is professional, scientific, and management services, employing 25.4% of workers. The unemployment rate is 2.0%.
Des Moines is among the largest cities associated with Greene 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.