Town guide

Union Town (Rock County), Wisconsin

Union Town (Rock County) is a town in Rock County, Wisconsin, home to about 2,235 people across 33 square miles. It has no ZIP code of its own: it’s part of 53521 and 53536.

Homes sold for a median of $236 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.

Population2,23568 per sq mi
Median home value$409,400Census, as estimated by owners
Price per sq ft$236Sold homes, 3 months to August 2026
Sold over asking49%Median of 2 ZIP codes

ZIP codes in Union Town (Rock County)

2 ZIP codes, 2 shared with neighboring towns

Each card is that ZIP code’s whole market, including any part outside Union Town (Rock County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology

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  • History
  • What it’s like to live there
  • Getting around
  • Things to do

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Around Union Town (Rock County)

Distances

Nearest major airportGeneral Mitchell International Airport (MKE)72 miles away
Closer regional airportDane County Regional Truax Field (MSN)25 miles away
Nearest city of 250,000+Madison, WI22 miles away
Nearest city of 1 million+Chicago, IL105 miles away

Straight-line distances from the center of Union Town (Rock County); driving is longer.

Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.

Who represents Union Town (Rock County)

Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.

Population over time

Union Town (Rock County) had 2,104 residents in the 2020 census, up 13% since 2000.

It’s the 410th largest of 1,889 towns in Wisconsin by population.

Rock County grew from 51,203 residents in 1900 to 163,687 in 2020.

Union Town (Rock County) population by census2000: 1,860, 2010: 2,099, 2020: 2,1041,86020002,09920102,1042020

Rock County, 1900–2020

Rock County population, 1900 to 20201900: 51,203, 1910: 55,538, 1920: 66,150, 1930: 74,206, 1940: 80,173, 1950: 92,778, 1960: 113,913, 1970: 131,970, 1980: 139,420, 1990: 139,510, 2000: 152,307, 2010: 160,331, 2020: 163,68751K’00’1066K’20’3080K’40’50114K’60’70139K’80’90152K’00’10164K’20

Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).

Weather by month

Average highs peak around 83°F in summer, and winter lows average 10°F. About 37.8 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.

Average high and low temperature and precipitation by month near Union Town (Rock County)Jan: high 27°F, low 10°F, 1.6 in; Feb: high 31°F, low 13°F, 1.7 in; Mar: high 44°F, low 23°F, 2.2 in; Apr: high 57°F, low 34°F, 3.9 in; May: high 69°F, low 46°F, 4.3 in; Jun: high 79°F, low 57°F, 5.2 in; Jul: high 83°F, low 61°F, 3.8 in; Aug: high 81°F, low 59°F, 4.3 in; Sep: high 74°F, low 50°F, 3.5 in; Oct: high 61°F, low 39°F, 3 in; Nov: high 46°F, low 27°F, 2.5 in; Dec: high 33°F, low 16°F, 1.8 in27°10°Jan1.631°13°Feb1.744°23°Mar2.257°34°Apr3.969°46°May4.379°57°Jun5.283°61°Jul3.881°59°Aug4.374°50°Sep3.561°39°Oct3.046°27°Nov2.533°16°Dec1.8Rain and melted snow, inches

Source: NOAA 1991–2020 climate normals, Stoughton, WI weather station (10 miles away).

Jobs in Rock County

64,537 jobs at 3,362 businesses in Rock County. The biggest industries by employees:

Largest industries in Rock CountyManufacturing: 12,581 jobs; Retail trade: 9,213 jobs; Health care and social assistance: 8,999 jobs; Hotels and restaurants: 6,233 jobs; Transportation and warehousing: 4,785 jobs; Company headquarters: 4,100 jobs; Wholesale trade: 4,036 jobs; Construction: 2,872 jobsManufacturing 20% Retail trade 14% Health care and social assistance 14% Hotels and restaurants 10% Transportation and warehousing 7% Company headquarters 6% Wholesale trade 6% Construction 5%

Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).

Health care

44 doctors and other health care providers list an office in Union Town (Rock County)’s ZIP codes.

Nearest hospitals

  • Stoughton HospitalCritical access hospital · emergency room · CMS rating 3 of 5 · Stoughton10.5 miles
  • Edgerton Hospital and Health ServicesCritical access hospital · emergency room · Edgerton13.6 miles
  • Mercy Health System CorpGeneral hospital · emergency room · CMS rating 3 of 5 · Janesville15.2 miles

Providers with an office here

Primary care doctors2
Specialist doctors1
Dentists7
Nurse practitioners and physician assistants7
Mental health providers5
Physical and occupational therapists17
Optometrists1
Chiropractors4
Pharmacies1

Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.

Places in and around Union Town (Rock County)

Parks (7 nearby)

  • Lake Leota Park · 33 acres0.2 mi
  • Westside Park · 9 acres0.9 mi
  • Wind Prairie Park · 3 acres0.8 mi
  • Seminary Park · 3 acres0.4 mi
  • Countryside Park · 2 acres1.0 mi

Grocery stores (1 nearby)

  • Piggly Wiggly1.5 mi

Pharmacies (1 nearby)

  • Evansville Hometown Pharmacy0.3 mi

Libraries (1 nearby)

  • Eager Free Public Library0.3 mi

Museums (1 nearby)

  • Evansville Community Partnership0.1 mi

Theaters and performance venues (2 nearby)

  • Hop Garden Music Area0.3 mi
  • Allen Creek Coffeehouse Music Area0.4 mi

Counts are within about 4 miles of the center of town.

Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.

Schools in Union Town (Rock County)

Public schools here are run by Oregon School District, Evansville Community School District. Check each district’s attendance zones for a specific address.

Public schools (5)
SchoolGradesStudentsTypeDistance
Brooklyn ElementaryBrooklynPre-K–4363Public6.2 mi
Levi Leonard ElementaryEvansvillePre-K–2424Public0.6 mi
Theodore Robinson Intermediate SchoolEvansville3–5339Public0.8 mi
J C McKenna MiddleEvansville6–8362Public0.5 mi
Evansville HighEvansville9–12497Public1.0 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.

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Where Union Town (Rock County) is

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Towns near Union Town (Rock County)

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Shares ZIP codes with Evansville, Oregon Town, Brooklyn Town (Green County), Brooklyn Village (Dane County), Center Town (Rock County), Magnolia, Brooklyn Village (Green County), Porter and Rutland.

Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.