Plymouth Town (Rock County) is a town in Rock County, Wisconsin, home to about 907 people across 36 square miles. It has no ZIP code of its own: it’s part of 53511, 53548 and 53576.
Homes sold for a median of $164 per square foot across 3 ZIP codes in the three months ending August 2026, and 2 of 3 were seller’s markets.
Mostly Beloit City; part is in Plymouth Town (Rock County)
Mostly Janesville; part is in Plymouth Town (Rock County)
Mostly Orfordville; part is in Plymouth Town (Rock County)
Each card is that ZIP code’s whole market, including any part outside Plymouth Town (Rock County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Plymouth Town (Rock County)’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Plymouth Town (Rock County) well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | General Mitchell International Airport (MKE)68 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)31 miles away |
| Nearest city of 250,000+ | Madison, WI34 miles away |
| Nearest city of 1 million+ | Chicago, IL94 miles away |
Straight-line distances from the center of Plymouth Town (Rock County); driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Plymouth Town (Rock County) had 1,245 residents in the 2020 census, down 2% since 2000.
It’s the 985th 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).
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 (6 miles away).
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).
930 doctors and other health care providers list an office in Plymouth Town (Rock County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 59 |
|---|---|
| Specialist doctors | 233 |
| Dentists | 36 |
| Nurse practitioners and physician assistants | 165 |
| Mental health providers | 271 |
| Physical and occupational therapists | 135 |
| Optometrists | 9 |
| Chiropractors | 22 |
| Pharmacies | 18 |
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.
Parks (3 nearby)
Pharmacies
Libraries (1 nearby)
Theaters and performance venues
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.
Public schools here are run by Beloit School District, Janesville School District, Parkview School District and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Beloit Early LearningBeloit | Pre-K | 43 | Public | 10.5 mi |
| Beloit Virtual SchoolBeloit | Pre-K–12 | 46 | Public | 10.7 mi |
| Converse ElementaryBeloit | Pre-K–5 | 446 | Public | 9.9 mi |
| Gaston ElementaryBeloit | Pre-K–5 | 348 | Public | 11.0 mi |
| Hackett ElementaryBeloit | Pre-K–5 | 434 | Public | 11.3 mi |
| Madison ElementaryJanesville | Pre-K–5 | 307 | Public | 7.3 mi |
| Merrill ElementaryBeloit | Pre-K–5 | 224 | Public | 11.3 mi |
| Parkview ElementaryOrfordville | Pre-K–5 | 428 | Public | 4.1 mi |
| Powers ElementaryBeloit | Pre-K–1 | 331 | Public | 9.1 mi |
| Preschool 4 JanesvilleJanesville | Pre-K | 345 | Public | 8.4 mi |
| Robinson ElementaryBeloit | Pre-K–5 | 477 | Public | 10.8 mi |
| The Lincoln AcademyBeloit | Pre-K–12 | 727 | Charter | 10.7 mi |
| Todd ElementaryBeloit | Pre-K–5 | 471 | Public | 12.1 mi |
| Washington ElementaryJanesville | Pre-K–5 | 410 | Public | 7.9 mi |
| Wilson ElementaryJanesville | Pre-K–5 | 256 | Public | 8.0 mi |
| ARISE Virtual AcademyJanesville | K–12 | 119 | Charter | 7.2 mi |
| Garden Prairie Intermediate SchoolBeloit | 2–5 | 491 | Public | 9.2 mi |
| Aldrich IntermediateBeloit | 6–8 | 521 | Public | 10.8 mi |
| Beloit Learning AcademyBeloit | 6–12 | 153 | Alternative Education | 10.5 mi |
| Fran Fruzen IntermediateBeloit | 6–8 | 490 | Public | 12.3 mi |
| Franklin MiddleJanesville | 6–8 | 486 | Public | 7.2 mi |
| Parkview Academy of Virtual EducationOrfordville | 6–12 | 51 | Charter | 4.3 mi |
| Parkview Junior HighOrfordville | 6–8 | 171 | Public | 4.3 mi |
| Turner MiddleBeloit | 6–8 | 381 | Public | 9.7 mi |
| Memorial HighBeloit | 9–12 | 1,305 | Public | 11.0 mi |
| Parker HighJanesville | 9–12 | 1,272 | Public | 6.6 mi |
| Parkview HighOrfordville | 9–12 | 187 | Public | 4.3 mi |
| Rock River Charter SchoolJanesville | 9–12 | 267 | Charter, Alternative Education | 8.3 mi |
| Turner HighBeloit | 9–12 | 459 | Public | 9.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Our Lady of the Assumption SchoolBeloit | Pre-K–8 | 112 | Roman Catholic | 11.4 mi |
| St William Catholic SchoolJanesville | Pre-K–8 | 167 | Roman Catholic | 7.5 mi |
| Rock County Christian SchoolBeloit | K–12 | 240 | Christian (no specific denomination) | 12.0 mi |
| Richardson SchoolBeloit | 1–12 | 46 | Nonsectarian | 10.6 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.
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Shares ZIP codes with Beloit City, Janesville, Beloit Town, Janesville Town, Turtle, Rock Town (Rock County), Orfordville, Newark, Center Town (Rock County), Spring Valley Town, Footville and Porter.
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.