Population
31,171
2025
+1.1% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Trempealeau County, WI: population growth, jobs and income
Trempealeau County gained 243 residents between 2024 and 2025 (+0.8%).
Trempealeau County had an estimated 31,171 residents in 2025, up 1.1% (346 more people) since 2020. That is slower than Wisconsin as a whole (+1.3%), and the 37th fastest growth of 72 counties in Wisconsin.
Data as of 2025 · updated
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In the Trempealeau County report
One-time $99 PDF: everything on this page for Trempealeau County, ranked against Wisconsin and the U.S., plus these figures that are not on the free page:
- Median gross rent$949/mo2020–24
- Vacant homes, incl. seasonal and second homes6.7%2020–24
- New homes permitted, last 12 months812025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
+102
2025
3.3 per 1,000 residents
−480 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
3.5%
2025
+0.0 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
112
2025
+33.3% since 2021
3.6 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$76,313
2020–24
+28.0% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
15,034
2023
+2.3% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration added 102 people in 2025: more people moved in from other U.S. counties than moved out.
Private employers had 15,034 paid employees in mid-March 2023, +2.3% since 2018 (County Business Patterns).
Unemployment averaged 3.5% in 2025.
Builders were authorized to start 112 new homes in 2025, or 3.6 per 1,000 residents.
Median household income was $76,313 in the 2020–24 American Community Survey, +28.0% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,535th.
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Trempealeau County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 31,171 | +243 |
| 2024 | 30,928 | −78 |
| 2023 | 31,006 | +83 |
| 2022 | 30,923 | +182 |
| 2021 | 30,741 | −84 |
| 2020 | 30,825 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Trempealeau County
Trempealeau County grew by 346 people since 2020 even though 480 more residents moved to other U.S. counties than came from them: births outnumbered deaths by 504, and net international migration added 334.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +110 | +504 | |
| International migrationfrom and to other countries | +31 | +334 | |
| Domestic migrationfrom and to other U.S. counties | +102 | −480 | |
| Census adjustmentbalancing residual | +0 | −12 | |
| Total change | +243 | +346 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In Wisconsin | Among U.S. counties |
|---|---|---|
| Population growth | 37th of 72 | 1,535th of 3,107 |
| Net domestic migration per 1,000 residents | 35th of 72 | 1,338th of 3,108 |
| Private-sector job growth | 23rd of 72 | 1,549th of 3,092 |
| Median household income | 22nd of 72 | 755th of 3,107 |
| Lowest unemployment rate | 40th of 72 | 1,005th of 3,108 |
| New homes permitted per 1,000 residents | 37th of 72 | 943rd of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Trempealeau County, WI as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Neighbouring counties
Over 2020–25, Trempealeau County's population change (+1.1%) was ahead of 3 of its 5 neighbouring counties and behind 2 (Eau Claire County and Winona County, MN).
Its median household income ($76,313, 2020–24) is higher than in all 5 of its neighbouring counties.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Trempealeau County, WI This county | 31,171 | +1.1% | 3.3 | 3.6 | $76,313 |
| Buffalo County, WI | 13,318 | −0.1% | −2.2 | 3.0 | $70,479 |
| La Crosse County, WI | 121,339 | +0.3% | 3.3 | 3.0 | $73,013 |
| Eau Claire County, WI | 109,033 | +3.0% | 2.8 | 6.7 | $74,546 |
| Winona County, MN | 50,523 | +1.7% | 2.9 | 0.8 | $70,744 |
| Jackson County, WI | 20,999 | −0.5% | −0.3 | 3.0 | $68,110 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Trempealeau County growing?
Yes. Its population grew 1.1% between 2020 and 2025, about 346 more people (Census Bureau population estimates). Wisconsin as a whole changed +1.3% over the same years. That ranks 37th of 72 counties in Wisconsin for population growth.
How many people moved to Trempealeau County?
On net, about 102 people in 2025: that many more moved in from other U.S. counties than moved out (Census Bureau net domestic migration estimate).
What is the unemployment rate in Trempealeau County?
It averaged 3.5% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Trempealeau County?
About 31,171 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Trempealeau County?
Private employers there had 15,034 paid employees in mid-March 2023, +2.3% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in Wisconsin
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Wisconsin county pages carry the public federal growth figures.
Trempealeau County data alerts
Email me when Trempealeau County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.