Trempealeau County, Wisconsin Demographics 2026
Trempealeau County, Wisconsin has a population of 30,839, the 43rd most populous county in Wisconsin. The median household income is $76,313 and the median home value is $216,700. The poverty rate is 9.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Trempealeau County Quick Facts
How Trempealeau County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 30,786 | 30,839 | +0.2% |
| Median household income | $71,295 | $76,313 | +7.0% |
| Median home value | $203,300 | $216,700 | +6.6% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Trempealeau County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Arcadia | 3,806 | $74,531 | 16.5% | $169,500 |
| Trempealeau | 1,864 | $79,254 | 6.7% | $215,600 |
| Galesville | 1,742 | $71,429 | 12.3% | $232,000 |
| Osseo | 1,687 | $59,548 | 13.1% | $181,600 |
| Whitehall | 1,555 | $61,875 | 6.3% | $152,100 |
| Independence | 1,462 | $58,000 | 10.4% | $166,000 |
| Blair | 1,254 | $60,446 | 16.7% | $141,500 |
| Strum | 1,064 | $68,958 | 17.4% | $200,000 |
| Eleva | 747 | $65,000 | 10.0% | $175,400 |
| Ettrick | 601 | $81,250 | 5.8% | $165,000 |
| Pigeon Falls | 368 | $79,500 | 8.5% | $181,900 |
| Dodge | 207 | $53,190 | 19.3% | $183,500 |
Explore Wisconsin Rankings
Population Overview
Trempealeau County is located in Wisconsin with a total population of 30,839. It is the 43rd most populous county out of 72 in Wisconsin. The county encompasses 12 Census-designated places.
Age Demographics
The median age in Trempealeau County is 39.9 years. This is about the same as the state median of 40.2 years.
Economy, Income & Housing
The median household income in Trempealeau County is $76,313. This is 2% lower than the state median of $77,485. It is also 5% lower than the national median of $80,734. The poverty rate stands at 9.9%. This is 6% lower than the state poverty rate of 10.5%. The unemployment rate is 2.3%. This is 29% lower than the state rate of 3.3%. The median home value is $216,700. Housing costs are 19% lower than the state median of $266,500. With a home-value-to-income ratio of just 2.8x, Trempealeau County is one of the most affordable housing markets in the area. 74.0% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 67.8%.
Race & Ethnicity
The largest racial or ethnic group in Trempealeau County is White (non-Hispanic), making up 83.9% of the population. Hispanic or Latino residents account for 13.0%. The Black or African American population (0.3%) is well below the state average of 5.9%. The Hispanic or Latino population is significantly higher than the state average (13.0% vs 8.0%). The Asian population (0.4%) is well below the state average of 2.9%.
Education
20.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.7%.
Data Sources & Methodology
All figures for Trempealeau County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Wisconsin and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Trempealeau County, Wisconsin?
Trempealeau County has a population of 30,839, making it the 43rd most populous county in Wisconsin.
What is the median income in Trempealeau County?
The median household income in Trempealeau County is $76,313 with a poverty rate of 9.9%.
How many cities are in Trempealeau County, Wisconsin?
Trempealeau County contains 12 Census-designated places.