Greene County, Iowa Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Greene County, IA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around average
-
B
Income Around average
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| Population | 8,689 | 3,204,793 | 337,468,954 |
| Population density (per sq mi) | 15.2 | 57.0 | 86.4 |
| Population growth (%/yr) | -0.55% | 0.41% | 0.59% |
| Median age | 42.7 | 36.8 | 37.3 |
| Households | 3,922 | 1,308,457 | 130,235,071 |
Population in Greene County declined by 8.4% from 2009 to 2024, reaching 8,689 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Greene County is Boomers, aged 61–79, at 21.8% of residents. That is 4.1 points above Iowa as a whole.
- Gen Z 13–28 1,541 17.7% -4.5 pts
- Millennials 29–44 1,497 17.2% -3.2 pts
- Gen X 45–60 1,797 20.7% +1.8 pts
- Boomers 61–79 1,893 21.8% +4.1 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Iowa, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.2% of the people living in Greene County and men 49.8%.
- Women 50.2% Iowa 50.0%
- Men 49.8% Iowa 50.0%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Greene County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Greene County has a the economy index of B, which means it is quite prosperous.
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| Median household income | $64,725 | $75,133 | $80,455 |
| Income growth (%/yr) | 3.89% | 3.99% | 4.80% |
| Unemployment rate | 2.3% | 3.6% | 5.2% |
The median household income in Greene County is about 14% lower than in Iowa.
Housing
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| Median home price | $92,059 | $153,425 | $248,835 |
| Median rent | $781 | $971 | $1,407 |
| Homeownership rate | 76.4% | 71.7% | 65.2% |
The median home price in Greene County is about 9.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $781 per month for that long.
Commute Time & Mobility
Commuters in Greene County spend about 34 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 141 hours, about 5.9 full days, spent commuting.
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 17.0 | 17.0 | 22.4 |
| Round-trip commute (min) | 33.9 | 33.9 | 44.8 |
| Yearly time spent (hours) | 141 | 141 | 187 |
| Estimated yearly cost | $4,383 | $4,382 | $5,790 |
| Work from home | 7.6% | 11.3% | 15.0% |
| Highway traffic (vehicles/day) | 669 | 4,993 | 8,813 |
| Local road traffic (vehicles/day) | 273 | 606 | 1,355 |
Fastest commutes among counties in
Iowa:
Sioux County (10.1 min), Union County (10.4 min), Cass County (10.6 min).
Slowest:
Monroe County (30.4 min), Madison County (30.1 min), Mills County (26.7 min).
The average commute time in Greene County is about the same as in Iowa.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Greene County has a education index of D, which means it is barely educated.
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.4% | 27.9% | 31.6% |
| Average household size | 2.18 | 2.37 | 2.53 |
Highest education index among counties in
Iowa:
Johnson County (0.4), Dallas County (0.4), Story County (0.4).
Lowest:
Crawford County (0.2), Wayne County (0.2), Louisa County (0.2).
Health
Greene County has a health index of B, which means it is quite healthy.
| Metric | Greene County | Iowa Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.4 | 79.2 | 78.3 |
| Self-rated poor health | 14.2% | 13.6% | 16.3% |
| Smokers | 17.6% | 17.6% | 19.0% |
Highest health index among counties in
Iowa:
Johnson County (0.8), Story County (0.8), Winneshiek County (0.8).
Lowest:
Davis County (0.8), Wayne County (0.8), Appanoose County (0.8).
Greene County, IA Compared With Nearby Counties
Greene County, IA is the smallest of the 4 counties compared here, 8,689 residents against a local median of 26,668. Greene County, IA's median home price, at $92,059, runs 45% below the $167,460 typical of the counties around it.
Commute tells the same story from another angle: 17.0 min against a local median of 14.0 min, 21% above it. The one measure here that carries a verdict is commute, and at 21% above the local median it puts Greene County, IA at the weaker end of the local range. The counties themselves spread $295,145 on median home price, so Greene County, IA sits at one end of an already wide local range rather than apart from it. Greene County, IA has the 4th highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Greene County, IA | 8,689 | $64,725 #4/4 | $92,059 #4/4 | 17.0 min #3/4 |
| Webster County, IA | 36,886 | $66,913 | $110,174 | 14.0 min |
| Carroll County, IA | 20,594 | $71,378 | $167,460 | 10.8 min |
| Boone County, IA | 26,668 | $84,575 | $405,319 | 20.8 min |
Frequently Asked Questions
Common questions about Greene County, Iowa.
How many people live in Greene County, Iowa?
About 8,689 people live in Greene County, Iowa, in 3,922 households of 2.2 people on average. The median age is 42.7, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Greene County, Iowa urban or rural?
Averaged over its land area, Greene County, Iowa has 15 people per square mile, a density typical of rural areas. That is about 18% of the U.S. average of 86.
Can a typical household afford a home in Greene County, Iowa?
The median home costs 1.4 times the median household income ($92,059 against $64,725), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $781 a month takes about 14% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Greene County, Iowa?
Unemployment in Greene County, Iowa is only 2.3%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Greene County, Iowa?
18.4% of adults in Greene County, Iowa hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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