Trempealeau County Population

1860–2026

31,414

2026 projection

1.9% since 2020 (increase)

05K10K15K20K25K30K35K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Trempealeau County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202631,414+2430.78%
202531,171+2430.79%
202430,928-780.25%
202331,006+830.27%
202230,923+1820.59%
202130,741-840.27%
202030,825+1,2424.20%
201929,583+1040.35%
201829,479+1270.43%
201729,352-1790.61%

Showing 10 of 31 years.

Trempealeau County Demographics

39.9median age

Median age

Female39.8 yrs
Male40 yrs

Adults

22,618
5,758 seniors (65+) · 25% of adults16,860 other adults

Sex

Female 49% · 15,113Male 51% · 15,726

Population by age

MaleFemale85+ years, male: 32285+ years, female: 38680–84 years, male: 26180–84 years, female: 44975–79 years, male: 45975–79 years, female: 49370–74 years, male: 68270–74 years, female: 71565–69 years, male: 1,06265–69 years, female: 92960–64 years, male: 1,13160–64 years, female: 87755–59 years, male: 1,11555–59 years, female: 1,14550–54 years, male: 1,00050–54 years, female: 91145–49 years, male: 87845–49 years, female: 79440–44 years, male: 95340–44 years, female: 82435–39 years, male: 95135–39 years, female: 92330–34 years, male: 85330–34 years, female: 79325–29 years, male: 77125–29 years, female: 80220–24 years, male: 77320–24 years, female: 71115–19 years, male: 1,08415–19 years, female: 95210–14 years, male: 1,07310–14 years, female: 1,1085–9 years, male: 1,2205–9 years, female: 1,2280–4 years, male: 1,1380–4 years, female: 1,07385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 308 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Trempealeau County Income

$76,313median household income

Median household income

$76,313

Half of households earn more, half earn less

Median earnings

$50,338

Typical yearly pay for a worker 25 or older.

Poverty rate

9.9%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Trempealeau County Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%54%55%
Never married28%31%25%
Divorced10%11%9%
Widowed6%3%10%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year