The Town of Union is located in Rock County, Wisconsin, United States. The population was 2,104 at the 2020 census. The town surrounds the city of Evansville.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Union ranks

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#20Lowest obesity in WI #27Shortest commute in WI #58Lowest property tax in WI All WI rankings →

Town numbers

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Area code608

Living in Union

Housing in Union

$439K▲ 8.9% in a year Typical home value · Zillow

The typical Union home is worth about $439,000, up 8.9% in a year, 29% above the Wisconsin typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Union

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Most working residents leave Union for work: only 1% work in town. The top destinations are Evansville (19%), Madison (12%) and Janesville (11%). Half commute less than 17 miles.

Evansville

19%

Madison

12%

Janesville

11%

Stoughton

1%Work in townlive and work in Union 17 miWhere do people commute?the commute map 62Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Union →

Health in Union

B⁺

Health Grade B+

Healthier than 68% of U.S. towns on seven CDC estimates.

Compared with Wisconsin

8better than WI

of 32 measures CDC estimates. The other 24 are too close to call.

Conditions 3▲ 9 close Habits all close Care 2▲ 5 close Mind all close Everyday needs 3▲ 1 close

BetterToo close to callWorse

What stands out

9.4%Fewer adults facing food insecurityWI 12.1% · better 6.5%Fewer uninsured adultsWI 8% · better

Care nearby

Stoughton HospitalStoughton · 9.3 mi · ER · rural critical access

Children's Dental Center of Madison-FitchburgFitchburg · 15 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthNo shortage

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 53536, 53521 · CMS · HRSAHealth in Union →

Natural hazards in Union

Very low

Expected storm and flood damage is higher than in 18% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

1Does Union flood?paid flood claims since 2017 NoneDisasters that paid out hereof 14 declared for Rock County MapUnion vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Union →

Climate in Union

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Union has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 12°, and about 36 inches of snow falls in a normal winter.

30° / 15°Winter

57° / 36°Spring

81° / 59°Summer

60° / 40°Fall