Trempealeau County, WI Demographics

Population 30,839 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Trempealeau County, WI map of median age by neighborhood
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Population and households in Trempealeau County

Household size in Trempealeau County

Household size, people per household
PeriodTrempealeau CountyWisconsinU.S.
2006–102.452.452.68
2010–142.462.472.73
2015–192.442.432.71
2020–242.482.402.65
Change+0.03−0.06−0.03
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Households in Trempealeau County run small, averaging 2.48 people against 2.65 nationally, which usually means more singles and couples and fewer children. Still, the typical household here is bigger than in Wisconsin as a whole, where it has 2.40 people. The biggest households, usually families with children, are concentrated in the west.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Trempealeau County

Median age, years
PeriodTrempealeau CountyWisconsinU.S.
2006–1040.838.837.7
2010–1440.639.938.6
2015–1940.840.939.6
2020–2439.741.440.1
Change−1.0+2.6+2.3
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Half of the people in Trempealeau County are younger than 39.7 and half are older, close to the national median of 40.1. The population here is younger than in Wisconsin overall, where the median age is 41.4. The median age has dropped from 40.8 in 2006–10, even as the national median rose.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Trempealeau County

Single-parent households, % of households
PeriodTrempealeau CountyWisconsinU.S.
2006–109.7%10.4%12.3%
2010–1410.8%10.5%12.3%
2015–198.9%10.0%11.6%
2020–248.5%9.8%11.6%
Change−1.1 pts−0.6 pts−0.6 pts
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Single-parent households are relatively rare in Trempealeau County: 8.5% of households, against 11.6% nationally. The single-parent share is down 1.1 points from 2006–10, in line with the national trend.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Trempealeau County

Renters in Trempealeau County

Renters, % of occupied homes
PeriodTrempealeau CountyWisconsinU.S.
2006–1024.4%30.5%33.3%
2010–1427.2%32.3%35.6%
2015–1927.0%33.0%36.0%
2020–2426.0%32.2%34.8%
Change+1.6 pts+1.6 pts+1.5 pts
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Just over a quarter of households in Trempealeau County rent their homes (26.0%), below the national share of 34.8%; the rest own. More than four in ten owners (43.3%) have paid off their mortgages, above the national share of 39.8%. Rentals cluster in the west; owners are most common in the southeast. The renter share has risen 1.6 points since 2006–10, mirroring the country.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Trempealeau County

Vacant homes, % of all homes
PeriodTrempealeau CountyWisconsinU.S.
2006–107.8%10.5%11.4%
2010–147.0%10.6%11.4%
2015–198.7%10.1%11.1%
2020–246.3%9.2%9.6%
Change−1.5 pts−1.3 pts−1.8 pts
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Vacancy is on the low side in Trempealeau County: 6.3% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. Vacancy is down 1.5 points from 2006–10, as it has nationally.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Trempealeau County

Age of homes, median year built
PeriodTrempealeau CountyWisconsinU.S.
2006–10196519701974
2010–14196919711975
2015–19197419721977
2020–24197719741980
Change+12+5+6
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Homes in Trempealeau County are about the same age as the nation's housing: the median home was built in 1977, versus 1980 nationally. The median year built has moved up from 1965 in 2006–10, a sign of steady new building.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Trempealeau County

Rent, per month
PeriodTrempealeau CountyWisconsinU.S.
2006–10$570$758$965
2010–14$655$821$1,040
2015–19$740$904$1,213
2020–24$951$1,139$1,571
Change+$380+$380+$606
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The median renter in Trempealeau County pays $951 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $380 a month since 2006–10, up 67%, faster than rents rose nationally. The typical renter here spends 24.0% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the southeast; the highest are in the southwest.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Trempealeau County

Bachelor's degrees in Trempealeau County

Bachelor's degrees, % of adults 25+
PeriodTrempealeau CountyWisconsinU.S.
2006–1017.1%26.5%28.4%
2010–1418.1%28.0%29.6%
2015–1919.2%30.4%32.1%
2020–2420.6%33.6%35.6%
Change+3.5 pts+7.0 pts+7.2 pts
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Fewer adults in Trempealeau County have a four-year degree than in the country as a whole: 20.6%, against 35.6% nationally. The share with a degree has risen 3.5 points since 2006–10, mirroring the country.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Trempealeau County

High school graduates, % of adults 25+
PeriodTrempealeau CountyWisconsinU.S.
2006–1085.7%89.5%84.9%
2010–1487.1%90.7%86.1%
2015–1990.2%92.1%87.7%
2020–2489.7%93.3%89.3%
Change+3.9 pts+3.8 pts+4.3 pts
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About as many adults in Trempealeau County have finished high school as nationally: 89.7%, against 89.3%. The rate is lower than in Wisconsin as a whole (93.3%). The share with a diploma is up 3.9 points from 2006–10, mirroring the country.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Trempealeau County

Unemployment, % of the labor force
PeriodTrempealeau CountyWisconsinU.S.
2006–105.2%6.7%8.1%
2010–144.8%7.3%9.4%
2015–192.7%3.7%5.6%
2020–242.4%3.3%5.4%
Change−2.8 pts−3.4 pts−2.7 pts
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Unemployment in Trempealeau County has been low: just 2.4% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 2.8 points from 2006–10, mirroring the country. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Trempealeau County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Trempealeau County2.4839.78.5%26.0%6.3%1977$95120.6%89.7%2.4%
Buffalo County2.3346.88.3%22.5%11.7%1967$94522.0%92.6%2.9%
Jackson County2.4643.79.5%19.9%15.3%1979$82715.8%92.1%5.2%
Wabasha County2.3544.96.0%16.7%10.8%1975$88726.9%94.9%2.2%
Rice County2.5539.39.7%23.7%7.6%1975$1,18132.1%92.7%4.3%
Waushara County2.3150.07.1%15.8%24.7%1977$80617.5%89.7%4.1%
Le Sueur County2.5042.17.7%19.0%10.3%1974$1,04726.3%94.4%4.1%
Blue Earth County2.4334.110.6%38.6%7.3%1979$1,22934.3%94.9%5.0%
Nicollet County2.4238.59.1%27.8%6.0%1981$1,05236.8%95.1%2.1%
Winnebago County2.3439.98.8%34.2%7.4%1973$1,01931.7%94.4%2.1%
Outagamie County2.4739.98.5%28.5%4.2%1979$1,09833.3%94.9%2.7%

All figures 2020–24.

Counties with similar populations: Natchitoches Parish, LA · Manati Municipio, PR · Manistee County, MI · Marion County, AL · Marion County, IA · Marion County, IL · Marion County, MO · Marshall County, IA · Murray County, GA · Malheur County, OR

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Trempealeau County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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