Market insights · Wisconsin

Trempealeau County, WI: growth, migration and housing

Trempealeau County has 31,171 residents, up 1.1% since 2020 (+0.8% in the last year). In 2022–2023, 654 households moved in and 764 moved out (-110 net), while a net $3.9M of income left. Median household income is $76,313, the median home $216,700 and median rent $949 a month.

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Population (2025)31,171

5-year growth+1.1%

1-year growth+0.8%

Net households moving in-110

Per 1,000 residents-3.5

Net income moving in-$3.9M

Median household income$76,313

Median home value$216,700

Median rent$949/mo

Rent as share of income15%

In Wisconsin: 37th of 72 counties for 5-year population growth · 69th of 72 counties for net in-migration (per resident) · 22nd of 72 counties for median household income · 41st of 72 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Trempealeau County, 2022–2023 (IRS).

From	Households (tax returns)	Their income (AGI)
La Crosse County, WI	147	$7.7M
Eau Claire County, WI	100	$6.4M
Jackson County, WI	44	$1.5M
Winona County, MN	31	$1.5M
Buffalo County, WI	30	$1.4M
Chippewa County, WI	23	$1.1M

Where leavers went

Top counties by households leaving Trempealeau County, 2022–2023 (IRS).

To	Households (tax returns)	Their income (AGI)
La Crosse County, WI	134	$6.6M
Eau Claire County, WI	120	$6.3M
Jackson County, WI	68	$3.4M
Buffalo County, WI	51	$2.6M
Winona County, MN	37	$1.5M

BizyFi in Trempealeau County

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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.