County · Wisconsin

Trempealeau County, Wisconsin

Trempealeau County, Wisconsin. Trempealeau County had 31,171 residents in 2025 by the Census Bureau's estimate, up 1.3% since 2020, in line with Wisconsin (+1.3%). It holds 27 places (11 cities, villages and boroughs, 15 towns and townships and 1 census-designated) and 8 census tracts. GEOID 55121.

Residents, July 2025 estimate

31,171

Census Bureau estimate (no margin published)
2020 Census count: 30,760 · ACS 2020-2024: 30,839

Median household income

$76,313

±$3,713 (90% margin)
Wisconsin: $77,485

Median home value

$216,700

±$7,279 (90% margin)
Wisconsin: $266,500

Median gross rent

$949

±$46 (90% margin)
Wisconsin: $1,087

How many people live in Trempealeau County, and is it growing?

The 2020 Census counted 30,760 residents in Trempealeau County. The Census Bureau estimates 31,171 for July 1, 2025, up 1.3% since 2020, in line with Wisconsin (+1.3%). The 2020-2024 American Community Survey puts the population at 30,839 over 733 square miles of land.

July 2020→2021 −84 (30,741)
2021→2022 +182 (30,923)
2022→2023 +83 (31,006)
2023→2024 −78 (30,928)
2024→2025 +243 (31,171)

Trempealeau County in Wisconsin. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Trempealeau County	Wisconsin	Change since 2015-2019
Total population	30,839	5,914,872	+1,340
Households	12,533±132	2,479,480	+528
Average household size	2.43±0.03	2.33	no clear change
Housing units	13,431±59	2,778,572	+293

Trempealeau County's population since 2000

From 27,010 in 2000 to 31,171 in 2025: up 15.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 27,010
2005 (estimate) 28,065
2010 Census 28,816
2015 (estimate) 29,444
2020 Census 30,760
2025 (estimate) 31,171

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Trempealeau County?

Trempealeau County holds 27 places: 11 cities, villages and boroughs (incorporated places), 15 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Arcadia with 3,840 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Trempealeau County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Arcadia	city	3,737	3,806±18	$74,531	$169,500	16.5%	100%
Trempealeau (town)	town	1,951	1,929±175	$86,513	$304,600	6.9%	100%
Trempealeau	village	1,843	1,864±240	$79,254	$215,600	6.7%	100%
Osseo	city	1,811	1,687±194	$59,548	$181,600	13.1%	100%
Gale (town)	town	1,708	1,822±170	$105,313	$296,400	4.6%	100%
Arcadia (town)	town	1,696	1,662±282	$79,762	$266,900	3.3%	100%
Galesville	city	1,662	1,742±212	$71,429	$232,000	12.3%	100%
Whitehall	city	1,645	1,555±245	$61,875	$152,100	6.3%	100%
Independence	city	1,498	1,462±211	$58,000	$166,000	10.4%	100%
Blair	city	1,325	1,254±183	$60,446	$141,500	16.7%	100%
Ettrick (town)	town	1,285	1,300±196	$85,714	$234,000	6.2%	100%
Strum	village	1,076	1,064±160	$68,958	$200,000	17.4%	100%
Hale (town)	town	1,061	970±133	$92,083	$361,700	7.0%	100%
Pigeon (town)	town	1,018	1,178±242	$69,844	$217,500	16.3%	100%
Preston (town), Trempealeau County	town	942	868±148	$100,625	$286,700	8.1%	100%
Caledonia (town), Trempealeau County	town	928	912±160	$94,191	$316,500	4.4%	100%
Sumner (town), Trempealeau County	town	840	984±147	$73,450	$246,600	8.0%	100%
Lincoln (town), Trempealeau County	town	779	707±177	$72,563	$208,300	9.4%	100%
Albion (town), Trempealeau County	town	694	710±126	$90,000	$239,400	7.9%	100%
Eleva	village	685	747±123	$65,000	$175,400	10.0%	100%
Ettrick	village	525	601±173	$81,250	$165,000	5.8%	100%
Unity (town), Trempealeau County	town	511	472±96	$97,188	$333,300	7.2%	100%
Burnside (town)	town	507	456±77	$80,781	$194,200	6.6%	100%
Dodge (town)	town	394	503±128	$53,209	$185,400	16.5%	100%
Pigeon Falls	village	381	368±96	$79,500	$181,900	8.5%	100%
Chimney Rock (town)	town	258	216±46	$90,417	$320,800	8.3%	100%
DodgeGEOID 5520275	CDP	121	207±115	$53,190	$183,500	19.3%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Trempealeau County?

The median resident of Trempealeau County is 39.9 years old; 26.7% are under 18 and 18.7% are 65 or older. The largest group is non-Hispanic white residents at 83.9%, then Hispanic or Latino residents (of any race) at 13.0%. 5.3% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Trempealeau County	Wisconsin	Change since 2015-2019
Median age	39.9±0.5	40.2	−0.6
Under 18 years	26.7%	21.4%	–
65 years and over	18.7%±0.1 pts	18.5%	–
Hispanic or Latino (any race)	13.0%	8.0%	+4.6 pts
White alone, not Hispanic	83.9%±0.2 pts	78.6%	−5.6 pts
Black or African American alone, not Hispanic	0.3%±0.1 pts	5.9%	−0.2 pts
Asian alone, not Hispanic	0.5%±0.1 pts	2.9%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.2%±0.1 pts	0.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	2.1%±0.2 pts	3.7%	–
Some other race alone, not Hispanic	0.1%±0.1 pts	0.3%	–
Born outside the United States	5.3%±0.8 pts	5.2%	no clear change
Speak a language other than English at home (age 5+)	11.0%±0.8 pts	9.0%	–
Civilian veterans (age 18+)	7.2%±0.7 pts	6.2%	–
With a disability	11.4%±0.7 pts	12.3%	–
No health insurance coverage	8.7%±1.2 pts	5.2%	no clear change
High school graduate or higher (age 25+)	90.7%±0.8 pts	93.6%	–
Bachelor's degree or higher (age 25+)	20.9%±1.2 pts	33.4%	+1.6 pts
Graduate or professional degree (age 25+)	7.2%±0.7 pts	11.4%	–
Moved from another state in the past year	1.1%±0.4 pts	2.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Trempealeau County earn?

Half of Trempealeau County's 12,533 households earn less than $76,313 a year (±$3,713), against $77,485 in Wisconsin. In 2015-2019 the median was $72,055 in 2024 dollars, so it rose by $4,258 after inflation. 9.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Trempealeau County	Wisconsin	Change since 2015-2019
Median household income	$76,313±$3,713	$77,485	+$4,258
Mean household income	$92,199±$2,486	$101,466	–
Per capita income	$37,226±$912	$43,373	+$1,656
People below the poverty line	9.9%±1.7 pts	10.6%	+2.1 pts
Children under 18 below the poverty line	12.7%±4.1 pts	12.8%	no clear change
Households receiving SNAP	9.1%±1.0 pts	11.1%	–
Households with a broadband subscription	87.1%±1.2 pts	90.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Trempealeau County?

Owners occupy 74.0% of Trempealeau County's occupied homes and renters 26.0%. The median owner-occupied home is valued at $216,700 by its owner (±$7,279). The median renter pays $949 a month including utilities, and 29.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Trempealeau County	Wisconsin	Change since 2015-2019
Median home value (owner-occupied)	$216,700±$7,279	$266,500	+$24,712
Median gross rent	$949±$46	$1,087	no clear change
Renters paying 35% or more of income on rent	29.2%±4.7 pts	35.0%	no clear change
Median monthly owner costs, with a mortgage	$1,572±$46	$1,689	–
Owner-occupied homes	74.0%±1.8 pts	67.8%	no clear change
Housing units	13,431±59	2,778,572	+293
Homeowner vacancy rate	0.3%±0.2 pts	0.5%	–
Rental vacancy rate	4.7%±2.6 pts	4.5%	–
Single-family detached homes	75.2%±1.7 pts	66.2%	–
Mobile homes	5.7%±0.8 pts	3.1%	–
Built 2020 or later	1.0%±0.3 pts	1.4%	–
Built 1939 or earlier	21.0%±1.4 pts	17.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Trempealeau County building?

Builders took permits for 112 new housing units across Trempealeau County in 2025 (88 single-family), 3.6 per 1,000 residents.

2019 147 units
2020 121 units
2021 84 units
2022 162 units
2023 83 units
2024 142 units
2025 112 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Trempealeau County get to work?

79.9% of Trempealeau County's workers drive alone and 9.6% work from home. The average trip to work takes 23.3 minutes. The unemployment rate in 2020-2024 averaged 2.3%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Trempealeau County	Wisconsin	Change since 2015-2019
In the labor force (age 16+)	66.8%±1.1 pts	65.3%	–
Unemployment rate	2.3%±0.7 pts	3.2%	no clear change
Drove alone to work	79.9%±1.7 pts	74.4%	–
Carpooled	7.9%±1.2 pts	7.3%	–
Public transportation	0.0%±0.1 pts	1.1%	–
Walked	1.6%±0.4 pts	2.6%	–
Worked from home	9.6%±1.2 pts	13.1%	+3.3 pts
Mean travel time to work	23.3 min±0.8	22.2 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Trempealeau County's census tracts?

Trempealeau County is divided into 8 census tracts. Among those with a reliable estimate, median household income runs from $69,000 (Tract 1001) to $87,625 (Tract 1008).

Census tracts of Trempealeau County, ACS 2020-2024 5-year estimates; sort by any column

Tract 100155121100100	Osseo (33%)	3,423	3,301±215	$69,000	$217,300	$860	10.5%
Tract 100255121100200	Strum (18%)	3,346	3,325±250	$75,563	$225,800	$836	11.4%
Tract 100355121100300	Independence (31%)	2,555	2,518±203	$71,076	$192,700	$894	8.0%
Tract 100455121100400	Whitehall (25%)	4,050	4,027±325	$71,250	$174,700	$843	9.9%
Tract 100555121100500	Blair (26%)	3,038	2,912±222	$69,152	$195,100	$831	11.1%
Tract 100655121100600	Arcadia (55%)	4,858	4,970±272	$75,893	$183,000	$1,102	13.9%
Tract 100755121100700	Trempealeau (33%)	5,599	5,599±358	$80,208	$258,400	$1,138	7.0%
Tract 100855121100800	Galesville (26%)	3,891	4,187±266	$87,625	$246,300	$945	7.9%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Trempealeau County compare with Wisconsin's other counties?

Trempealeau County's rank among Wisconsin's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	43rd of 72
Growth 2020-2025	36th of 72
Residents per square mile	40th of 72
Median household income	22nd of 72
Median home value	41st of 72
Median gross rent	29th of 72
Poverty rate	42nd of 72
Bachelor's degree or higher	53rd of 72
Median age	57th of 72

Every county in Wisconsin

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Trempealeau County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.