Iowa County, Wisconsin Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Iowa County, WI Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around averageHealthier than 85% of counties in Wisconsin
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B
Income Around averageWealthier than 87% of counties in Wisconsin
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C
Education Below averageBetter educated than 75% of counties in Wisconsin
Source: Map AI Methodology
Population: density and quick facts
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Population | 23,867 | 5,910,864 | 337,468,954 |
| Population density (per sq mi) | 31.1 | 90.2 | 86.4 |
| Population growth (%/yr) | 0.06% | 0.34% | 0.59% |
| Median age | 42.5 | 40.4 | 37.3 |
| Households | 10,118 | 2,477,189 | 130,235,071 |
Population in Iowa County grew by 1.5% from 2009 to 2024, reaching 23,867 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Iowa County is Gen X, aged 45–60, at 23.0% of residents. That is 2.2 points above Wisconsin as a whole.
- Gen Z 13–28 4,243 17.8% -3.6 pts
- Millennials 29–44 4,755 19.9% -0.9 pts
- Gen X 45–60 5,483 23.0% +2.2 pts
- Boomers 61–79 4,612 19.3% +1.5 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 Wisconsin, 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 49.5% of the people living in Iowa County and men 50.5%.
- Women 49.5% Wisconsin 50.0%
- Men 50.5% Wisconsin 50.0%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Iowa County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Iowa County has a the economy index of B, which means it is quite prosperous.
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median household income | $81,737 | $77,698 | $80,455 |
| Income growth (%/yr) | 4.59% | 4.41% | 4.80% |
| Unemployment rate | 3.1% | 3.2% | 5.2% |
The median household income in Iowa County is about 5% higher than in Wisconsin.
Housing
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median home price | $156,793 | $170,479 | $248,835 |
| Median rent | $954 | $1,087 | $1,407 |
| Homeownership rate | 77.4% | 67.8% | 65.2% |
The median home price in Iowa County is about 13.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $954 per month for that long.
Commute Time & Mobility
Commuters in Iowa County spend about 44 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 182 hours, about 7.6 full days, spent commuting.
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.9 | 18.8 | 22.4 |
| Round-trip commute (min) | 43.7 | 37.5 | 44.8 |
| Yearly time spent (hours) | 182 | 156 | 187 |
| Estimated yearly cost | $5,649 | $4,846 | $5,790 |
| Work from home | 13.8% | 13.1% | 15.0% |
| Highway traffic (vehicles/day) | 3,842 | 6,703 | 8,813 |
| Local road traffic (vehicles/day) | 353 | 811 | 1,355 |
Fastest commutes among counties in
Wisconsin:
Ashland County (12.8 min), Door County (13.6 min), Eau Claire County (15.3 min).
Slowest:
Oconto County (26.4 min), St. Croix County (25.3 min), Waushara County (23.9 min).
The average commute time in Iowa County is 22 minutes, longer than the 19 minutes in Wisconsin.
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
Iowa County has a education index of C, which means it is somewhat educated.
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 26.0% | 29.7% | 31.6% |
| Average household size | 2.34 | 2.33 | 2.53 |
Highest education index among counties in
Wisconsin:
Dane County (0.4), Ozaukee County (0.4), Waukesha County (0.4).
Lowest:
Clark County (0.2), Adams County (0.2), Juneau County (0.2).
Health
Iowa County has a health index of B, which means it is quite healthy.
| Metric | Iowa County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.7 | 79.6 | 78.3 |
| Self-rated poor health | 11.6% | 13.2% | 16.3% |
| Smokers | 17.1% | 18.5% | 19.0% |
Highest health index among counties in
Wisconsin:
Dane County (0.8), Waukesha County (0.8), Ozaukee County (0.8).
Lowest:
Menominee County (0.8), Clark County (0.8), Forest County (0.8).
Iowa County, WI Compared With Nearby Counties
Iowa County, WI is the smallest of the 4 counties compared here, 23,867 residents against a local median of 51,770. Where Iowa County, WI breaks from the counties next to it is commute, sitting 19% above the local median of 18.4 min at 21.9 min. That is the weaker end of the local range on this measure.
The counties themselves spread 3.0 min on commute, so Iowa County, WI sits at one end of an already wide local range rather than apart from it. Iowa County, WI has the 4th lowest commute of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Iowa County, WI | 23,867 | $81,737 #2/4 | $156,793 #2/4 | 21.9 min #4/4 |
| Sauk County, WI | 66,009 | $80,789 | $332,258 | 18.4 min |
| Grant County, WI | 51,770 | $67,366 | $110,555 | 17.3 min |
| Green County, WI | 37,017 | $81,855 | $139,166 | 20.3 min |
Frequently Asked Questions
Common questions about Iowa County, Wisconsin.
What is the population of Iowa County, Wisconsin?
About 23,867 people live in Iowa County, Wisconsin, in 10,118 households of 2.3 people on average. The median age is 42.5, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Iowa County, Wisconsin mostly urban or rural?
Averaged over its land area, Iowa County, Wisconsin has 31 people per square mile, a density typical of rural areas. That is about 36% of the U.S. average of 86.
Is Iowa County, Wisconsin an affordable place to live?
The median home costs 1.9 times the median household income ($156,793 against $81,737), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $954 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 Iowa County, Wisconsin?
Unemployment in Iowa County, Wisconsin is only 3.1%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
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