Trempealeau County, Wisconsin Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Trempealeau 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 average
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B
Income Around averageWealthier than 72% of counties in Wisconsin
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Population | 28,321 | 5,910,864 | 337,468,954 |
| Population density (per sq mi) | 38.2 | 90.2 | 86.4 |
| Population growth (%/yr) | 0.74% | 0.34% | 0.59% |
| Median age | 40.1 | 40.4 | 37.3 |
| Households | 12,531 | 2,477,189 | 130,235,071 |
Population in Trempealeau County grew by 2.3% from 2009 to 2024, reaching 28,321 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Trempealeau County is Gen X, aged 45–60, at 21.0% of residents. That is 0.2 points above Wisconsin as a whole.
- Gen Z 13–28 5,316 18.8% -2.6 pts
- Millennials 29–44 5,289 18.7% -2.1 pts
- Gen X 45–60 5,942 21.0% +0.2 pts
- Boomers 61–79 5,183 18.3% +0.5 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 49.2% of the people living in Trempealeau County and men 50.8%.
- Women 49.2% Wisconsin 50.0%
- Men 50.8% Wisconsin 50.0%
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100% of everyone living in Trempealeau County
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Economy
Trempealeau County has a the economy index of B, which means it is quite prosperous.
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median household income | $75,990 | $77,698 | $80,455 |
| Income growth (%/yr) | 4.67% | 4.41% | 4.80% |
| Unemployment rate | 2.3% | 3.2% | 5.2% |
The median household income in Trempealeau County is about 2% lower than in Wisconsin.
Housing
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median home price | $67,667 | $170,479 | $248,835 |
| Median rent | $949 | $1,087 | $1,407 |
| Homeownership rate | 75.0% | 67.8% | 65.2% |
The median home price in Trempealeau County is about 5.9 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $949 per month for that long.
Commute Time & Mobility
Commuters in Trempealeau 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 183 hours, about 7.6 full days, spent commuting.
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.9 | 18.8 | 22.4 |
| Round-trip commute (min) | 43.9 | 37.5 | 44.8 |
| Yearly time spent (hours) | 183 | 156 | 187 |
| Estimated yearly cost | $5,669 | $4,846 | $5,790 |
| Work from home | 10.2% | 13.1% | 15.0% |
| Highway traffic (vehicles/day) | 4,565 | 6,703 | 8,813 |
| Local road traffic (vehicles/day) | 443 | 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 Trempealeau 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
Trempealeau County has a education index of D, which means it is barely educated.
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 18.9% | 29.7% | 31.6% |
| Average household size | 2.43 | 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
Trempealeau County has a health index of B, which means it is quite healthy.
| Metric | Trempealeau County | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.8 | 79.6 | 78.3 |
| Self-rated poor health | 13.0% | 13.2% | 16.3% |
| Smokers | 18.2% | 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).
Trempealeau County, WI Compared With Nearby Counties
Trempealeau County, WI is the 4th largest of the 5 counties compared here, 28,321 residents against a local median of 78,441. Trempealeau County, WI's median home price, at $67,667, runs 51% below the $138,073 typical of the counties around it.
Commute tells the same story from another angle: 21.9 min against a local median of 15.9 min, 38% above it. The one measure here that carries a verdict is commute, and at 38% above the local median it puts Trempealeau County, WI at the weaker end of the local range. The counties themselves spread $95,746 on median home price, so Trempealeau County, WI sits at one end of an already wide local range rather than apart from it. Trempealeau County, WI has the 5th highest median home price of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Trempealeau County, WI | 28,321 | $75,990 #1/5 | $67,667 #5/5 | 21.9 min #5/5 |
| Eau Claire County, WI | 107,100 | $74,505 | $108,335 | 15.3 min |
| La Crosse County, WI | 120,486 | $73,102 | $167,812 | 16.4 min |
| Winona County, MN | 49,782 | $70,228 | $72,999 | 13.2 min |
| Jackson County, WI | 20,977 | $67,993 | $168,745 | 21.3 min |
Frequently Asked Questions
Common questions about Trempealeau County, Wisconsin.
How many people live in Trempealeau County, Wisconsin?
About 28,321 people live in Trempealeau County, Wisconsin, in 12,531 households of 2.4 people on average. The median age is 40.1, so residents are older than the U.S. median of 37.3 by about 3 years.
Is Trempealeau County, Wisconsin urban or rural?
Averaged over its land area, Trempealeau County, Wisconsin has 38 people per square mile, a density typical of rural areas. That is about 44% of the U.S. average of 86.
Is Trempealeau County, Wisconsin an affordable place to live?
The median home costs 0.9 times the median household income ($67,667 against $75,990), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $949 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Trempealeau County, Wisconsin?
Unemployment in Trempealeau County, Wisconsin 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.
What share of adults in Trempealeau County, Wisconsin have a college degree?
18.9% of adults in Trempealeau County, Wisconsin hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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