Town guide

Janesville, Wisconsin

Janesville is a city in Rock County, Wisconsin, home to about 66,030 people across 34 square miles. Its ZIP codes are 53545, 53546 and 53548, and parts of 53563 are in Janesville too.

Homes sold for a median of $168 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.

Population66,0301,933 per sq mi

Median home value$223,400Census, as estimated by owners

Price per sq ft$168Sold homes, 3 months to August 2026

Sold over asking46%Median of 3 ZIP codes

ZIP codes in Janesville

4 ZIP codes, 1 shared with neighboring towns

Janesville, WI53545 Seller’s market $168/sq ft −4.1% vs. last year 2.5 months of supply · 46% sold over asking Competition 76/100

Mostly Janesville; also Janesville Town and Fulton

Janesville, WI53546 Seller’s market $192/sq ft +6.1% vs. last year 1.9 months of supply · 47% sold over asking Competition 78/100

Mostly Janesville; also Harmony Town (Rock County) and La Prairie

Janesville, WI53548 Seller’s market $164/sq ft −1.3% vs. last year 1.9 months of supply · 30% sold over asking Competition 63/100

Mostly Janesville; also Janesville Town and Rock Town (Rock County)

Milton, WI53563 Seller’s market $229/sq ft +11.6% vs. last year 2.9 months of supply · 26% sold over asking Competition 53/100

Mostly Milton City; part is in Janesville

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

The Janesville guide is on the way

We’re writing up Janesville’s story and what everyday life there is like, for people thinking about moving in.

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

Are you a local agent who knows Janesville well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked

Janesville at a glance

City · Rock County, WI

Population	66,0301,933 per square mile
Land area	34 square milesplus 0.6 of water
Median household income	$73,446average $85,681
Median home value	$223,400as estimated by owners
Median rent	$1,054/month
Homes lived in by owners	67%
Single-family houses	68% of homes
Median year built	1972
Average household	2.30 people
Median age	40.7
Average commute	22 minutes10% work from home
Adults with a degree	27%bachelor’s or higher

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates for the county subdivision; town boundaries and ZIP code overlaps from the Census Bureau’s 2020 relationship files; market figures from Redfin, a national real estate brokerage. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Around Janesville

Distances

Nearest major airport	General Mitchell International Airport (MKE)60 miles away
Closer regional airport	Dane County Regional Truax Field (MSN)34 miles away
Nearest city of 250,000+	Madison, WI34 miles away
Nearest city of 1 million+	Chicago, IL91 miles away

Straight-line distances from the center of Janesville; driving is longer.

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

Who represents Janesville

U.S. Representative · Wisconsin’s 1st DistrictBryan Steil (R)
U.S. Representative · Wisconsin’s 2nd DistrictMark Pocan (D)
U.S. SenatorRon Johnson (R)
U.S. SenatorTammy Baldwin (D)
GovernorTony Evers (D)

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

Janesville had 65,615 residents in the 2020 census, up 10% since 2000.

It’s the 9th largest of 1,889 towns in Wisconsin by population.

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

Rock County, 1900–2020

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 12°F. About 37.4 inches of rain and melted snow fall in a typical year, with about 37 inches of snow.

Source: NOAA 1991–2020 climate normals, Afton - Janesville Wwtp, WI weather station (4 miles away).

Jobs in Rock County

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

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

Health care

1,011 doctors and other health care providers list an office in Janesville’s ZIP codes.

Nearest hospitals

Mercy Health System CorpGeneral hospital · emergency room · CMS rating 3 of 5 · JanesvilleUnder a mile
Ssm Health St. Mary's Hospital - JanesvilleGeneral hospital · emergency room · CMS rating 4 of 5 · Janesville3.5 miles
Edgerton Hospital and Health ServicesCritical access hospital · emergency room · Edgerton9.6 miles

Providers with an office here

Primary care doctors	117
Specialist doctors	218
Dentists	89
Nurse practitioners and physician assistants	139
Mental health providers	258
Physical and occupational therapists	142
Optometrists	15
Chiropractors	33
Pharmacies	22

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 Janesville

Parks (51 nearby)

Rockport Park · 292 acres2.3 mi
Palmer Park · 180 acres2.6 mi
Riverside Park · 79 acres1.1 mi
Kiwanas Park · 43 acres2.4 mi
Jeffris Park · 37 acres2.1 mi
Monterey Park · 35 acres1.8 mi

Grocery stores (7 nearby)

Mexican Market1.6 mi
Schnucks1.8 mi
Woodman's Food Market2.6 mi
Hy-Vee2.8 mi

Pharmacies (7 nearby)

CVS Pharmacy1.1 mi
Walgreens1.7 mi
CVS Pharmacy1.8 mi
Schnucks Pharmacy1.8 mi

Libraries (2 nearby)

Hedberg Public Library1.5 mi
University of Wisconsin-Whitewater at Rock County Library3.3 mi

Museums (1 nearby)

Lincoln Tallman Museum0.7 mi

Theaters and performance venues (3 nearby)

Little Theatre Workshop1.5 mi
Janesville Performing Arts Center1.6 mi
Kirk Denmark Theater3.4 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.

Colleges, teams and notable people

Established in 1853.

Colleges and universities

University of Wisconsin–Rock County

Notable people born here

Paul Ryan (1970) · Speaker of the United States House of Representatives from 2015 to 2019
Russ Feingold (1953) · Wisconsin politician; three-term U.S. Senator
Ella Wheeler Wilcox (1850) · American author and poet (1850–1919)
James Budd (1851) · Governor of California (1851-1908)
Bryan Steil (1981) · U.S. Representative from Wisconsin
Larry Hough (1944) · American rower
Kyle Weaver (1986) · American basketball player (born 1986)
Harold P. Brown · American inventor (1869-1932)

Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.

Schools in Janesville

Public schools here are run by Janesville School District, Milton School District, Wisconsin Dept of Public Instruction. Check each district’s attendance zones for a specific address.

Public schools (25)

School	Grades	Students	Type	Distance
Adams ElementaryJanesville	Pre-K–5	267	Public	1.4 mi
Harmony ElementaryJanesville	Pre-K–3	288	Public	4.6 mi
Harrison ElementaryJanesville	Pre-K–5	266	Public	3.4 mi
Jackson ElementaryJanesville	Pre-K–5	339	Public	3.6 mi
Jefferson ElementaryJanesville	Pre-K–5	293	Public	2.1 mi
Kennedy ElementaryJanesville	Pre-K–5	404	Public	3.7 mi
Lincoln ElementaryJanesville	Pre-K–5	291	Public	2.9 mi
Madison ElementaryJanesville	Pre-K–5	307	Public	0.9 mi
Monroe ElementaryJanesville	Pre-K–5	376	Public	2.6 mi
Preschool 4 JanesvilleJanesville	Pre-K	345	Public	1.7 mi
Roosevelt ElementaryJanesville	Pre-K–5	412	Public	1.8 mi
Van Buren ElementaryJanesville	Pre-K–5	408	Public	2.2 mi
Washington ElementaryJanesville	Pre-K–5	410	Public	0.2 mi
Wilson ElementaryJanesville	Pre-K–5	256	Public	1.7 mi
Youth Services CenterJanesville	Pre-K–12	10	Alternative Education	2.3 mi
ARISE Virtual AcademyJanesville	K–12	119	Charter	0.9 mi
Consolidated ElementaryJanesville	K–3	82	Public	3.4 mi
Wisconsin Center for the Blind and Visually ImpairedJanesville	1–12	—	Special Education	2.1 mi
Edison MiddleJanesville	6–8	587	Public	2.7 mi
Franklin MiddleJanesville	6–8	486	Public	0.9 mi
Marshall MiddleJanesville	6–8	747	Public	2.7 mi
Craig HighJanesville	9–12	1,400	Public	2.1 mi
Parker HighJanesville	9–12	1,272	Public	1.5 mi
Rock River Charter SchoolJanesville	9–12	267	Charter, Alternative Education	1.1 mi
Rock University HighJanesville	9–12	93	Charter	7.1 mi

Private schools (6)

School	Grades	Students	Affiliation	Distance
Dr. Kim F. EhrhardtJanesville	Pre-K–5	24	Roman Catholic	1.1 mi
Rock Prairie MontessoriJanesville	Pre-K–8	87	Nonsectarian	5.4 mi
St Matthews Lutheran SchoolJanesville	Pre-K–8	55	Wisconsin Evangelical Lutheran Synod	1.2 mi
St Pauls Lutheran SchoolJanesville	Pre-K–8	171	Lutheran Church–Missouri Synod	1.7 mi
St William Catholic SchoolJanesville	Pre-K–8	167	Roman Catholic	0.8 mi
Oakhill Christian SchoolJanesville	K–12	84	Christian (no specific denomination)	2.7 mi

Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.

From OfferBacked · Free

Get matched with a local agent.

Buying or selling around Janesville? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.

Get matched

Where Janesville is

Loading map…

Towns near Janesville

All Wisconsin towns →

La Prairie, WITown · 839 people3 miles away Janesville Town, WITown · 3,678 people3 miles away Harmony Town (Rock County), WITown · 2,550 people4 miles away Rock Town (Rock County), WITown · 2,986 people4 miles away Milton City, WICity · 5,706 people7 miles away Milton Town (Rock County), WITown · 3,103 people7 miles away Footville, WIVillage · 908 people8 miles away Plymouth Town (Rock County), WITown · 907 people8 miles away

More for Janesville buyers

Rock County property taxes Rock County loan limits Closing costs in Wisconsin Hottest ZIP codes in Wisconsin Towns like Janesville

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.