The Town Files

Union, Wisconsin

Town in Rock County · population 2,104 (2020 Census)

Map: where Union is in WisconsinUnion
Median home
$409,400
Household income
$99,279
Jan low / Jul high
10° / 83°
Snow a year
36 in
Tornadoes ≤10 mi since 1950
31
Median age
42.0

Union is a town of 2,104 people in Rock County, Wisconsin. The median home is worth $409,400, above the typical Wisconsin town ($256,000). It ranks hipper than 88% of Wisconsin towns, more of a college town than 88% of Wisconsin towns, more walkable than 86% of Wisconsin towns.

How Union ranks

Percentile among Wisconsin towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Wisconsin towns.

Union lifestyle rankings vs other Wisconsin townsRetirement82nd pctFamilies56th pctQuiet40th pctWalkability86th pctFirst-time buyersbottomYoung professionals64th pctVibrancy70th pctHip & trendy88th pctCollege town88th pctUpscale76th pctVacation homesbottomSeaside characterbottomCycling63rd pctTransitbottomDriving71st pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Union is worth $409,400, above the typical Wisconsin town ($256,000). Homes cost about 4.1 times the median household income of $99,279, which is more affordable than 11% of Wisconsin towns. Median rent is $938 a month. 96.3% of households own their home.

Union vs Rock County vs typical Wisconsin townUnionRock CountyTypical Wisconsin townHome value$409,400$231,600$256,000Household income$99,279$75,673$82,217Monthly rent$938$1,037$951
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Wisconsin towns with 500+ people.
HousingUnionTypical Wisconsin town
Median home value$409,400$256,000
Median rent$938$951
Median household income$99,279$82,217
Home value ÷ income4.1×3.1×
Homeownership96.3%86.8%
Median year built19801978
Seasonal / vacation homes0.0%—

Who lives in Union

PeopleUnionTypical Wisconsin town
Median age42.045.1
Age 65 and over15.0%21.0%
Under 1826.7%—
Bachelor's degree or higher32.9%23.8%
Below the poverty line3.3%7.2%
Veterans5.1%—
Born outside the U.S.0.9%—
Work from home11.7%10.9%
Average commute25.9 min24.6 min
Homes with broadband92.3%89.1%

Weather in Union

July highs average 82.9°F and January lows 9.7°F. About 37.8 inches of rain and melted snow fall a year, with 35.5 inches of snow (typical Wisconsin town: 45.7 in). Expect about 10 days a year at 90°F or hotter and 154 nights at or below freezing.

Union monthly temperatures and precipitation0°10°20°30°40°50°60°70°80°90°32° freezing27°10°Jan31°13°Feb44°23°Mar57°34°Apr69°46°May79°57°Jun83°61°Jul81°59°Aug74°50°Sep61°39°Oct46°27°Nov33°16°DecPrecipitation (in) · snow (in) in blue1.610.41.710.62.24.53.90.74.35.23.84.33.53.00.42.51.31.87.6
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Stoughton station (8.7 mi away).

Tornadoes, storms and disasters

31 tornadoes have passed within 10 miles of Union since 1950, compared with 15 for the typical Wisconsin town. 13 rated (E)F2 or stronger. The strongest, an F3, struck on August 18, 2005 about 8.0 miles from the town center and killed 1. Tornadoes within 10 miles have caused 2 deaths and 70 injuries since 1950. The most recent was on July 15, 2024.

Tornadoes within 10 miles of Union by decade21950s41960s41970s31980s41990s52000s22010s72020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 59 times; the largest was 2.75 inches on April 18, 2025.

Severe weather in Rock County since 1996

Storm events in Rock County since 1996 by typeHail153Heat41Flood65Tornado22Dense Fog72Lightning38Flash Flood25Strong Wind41
NOAA Storm Events Database, Rock County, 1996–2026 (all event types recorded since 1996). 14 deaths recorded.

Rock County has been included in 16 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
June 30, 2026FloodDR-4923: Severe Storms, Tornadoes, And Flooding
April 4, 2020BiologicalDR-4520: Covid-19 Pandemic
March 13, 2020BiologicalEM-3454: Covid-19
June 14, 2008Severe StormDR-1768: Severe Storms, Tornadoes, And Flooding
March 19, 2008SnowstormEM-3285: Record Snow And Near Record Snow

Jobs and pay in Rock County

Rock County had 69,595 jobs in 2024, paying an average of $59,381 a year. Unemployment was 3.4% in 2023; in Union itself the ACS puts it at 1.9%.

Largest industries in Rock CountyManufacturing11,440 jobs · $69,668Health care & social assistan…10,254 jobs · $66,911Retail7,909 jobs · $35,324Hotels & restaurants6,401 jobs · $21,144Wholesale trade4,842 jobs · $70,786Construction4,035 jobs · $79,829
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Rock County, 2000–20230%4%8%12%2000200420082012201620202023Rock 3.4%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Union

Union questions

Is Union, Wisconsin a good place to retire?

On The Town Files lifestyle rankings, Union scores better for retirees than 82% of Wisconsin towns and quieter than 40%. 15.0% of residents are 65 or older (median age 42.0).

How much does a house cost in Union?

The median owner-occupied home in Union is valued at $409,400 (Census ACS 2020–2024), against a median household income of $99,279, so homes cost about 4.1 times income. Median rent is $938 a month.

What is the weather like in Union?

July highs average 82.9°F and January lows 9.7°F (NOAA 1991–2020 normals). It gets about 37.8 inches of precipitation a year and 35.5 inches of snow.

Does Union get tornadoes?

31 tornadoes have passed within 10 miles of Union since 1950 (NOAA Storm Events); the strongest was a F3 on August 18, 2005. The typical Wisconsin town has had 15.

How this page is made. Every number comes from public data, matched to Union's Census boundary (GEOID 5510581650). Comparisons use the median of Wisconsin towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.