ZIP Code 53547 in Janesville, WI

Data Last Updated: March 1, 2026
City:Janesville, Wisconsin
County:Rock County
Timezone:Central (GMT -06:00)
Local Time:7:26:10 AM
Population:No Population Data
Area Codes:353 / 608
Classification:PO Box
Coordinates:42.6825, -89.0188
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https://www.zip-codes.com/zip-code/53547/zip-code-53547.asp

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53547 - Janesville, WI

ZIP Code 53547, Janesville

Small Town Unique ZIP No Census Data
LocationRock County, WI
Area0 sq mi Single Point
Delivery Points816 (435 businesses)
PO Boxes381
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 53545
Key Facts
  • This ZIP code maintains 381 PO Boxes for customers in the Janesville area.
  • The facility supports 435 business mail accounts alongside residential PO Box holders.
  • Unlike rural PO Box ZIPs, this isn't the only delivery option—street delivery is available through neighboring ZIP codes.
  • The postal infrastructure includes 221 ZIP+4 codes, showing detailed routing for the area served.
  • Rock County location places this facility in south-central Wisconsin near the Illinois border.

Postal Service Configuration

This ZIP doesn't represent a distinct geographic community but rather a service designation within Janesville's postal system. Mail addressed to 53547 goes to PO Boxes at the facility, while the surrounding area receives street delivery through neighboring ZIP codes. The setup reflects how mid-sized cities often organize their postal operations, with separate ZIP codes handling different service types rather than different neighborhoods.

Street Name Patterns

Single Street

Only one street appears in the delivery records: Milton Ave with 156 delivery points that include unit designations. This minimal street presence confirms the ZIP's primary function as a PO Box facility rather than a street delivery zone.

Business & Employment Statistics


ZIP Code 53547 supports both business and residential activity. According to the Business Census (2024), there are 43 business establishments, employing about 2,465 people with an annual payroll of $144,667,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:2,355Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:43Source: CBP
1st Quarter Payroll:$34,605,000Source: CBP
Annual Payroll:$144,667,000Source: CBP
# of Employees:2,465Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 53547 is located in Rock County, Wisconsin, within the Janesville-Beloit, WI Metropolitan Statistical Area (CBSA 27500) and Wisconsin's 1st Congressional District. This Metro area has a population of 160,331 people, about 0.00% of whom live in ZIP Code 53547. It covers 0 sq mi of land and a water area of 0 sq mi.

CBSA Name:Janesville-Beloit, WISource: Census
CBSA Number:27500Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:160,331Source: Census
MSA:Janesville-Beloit, WI MSASource: Census
Land Area:--Source: Census
Water Area:--Source: Census
Congressional District:01Source: USPS
Congressional Land Area:1727.92 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:5537825Source: Census
Place Name:Janesville city; WisconsinSource: Census

Adjacent & Nearby ZIP Codes


53548 | | 53546

Schools in ZIP Code 53547


We could not locate which school district 53547 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Rock River Charter School 31 W Milwaukee St
Janesville, WI 53548
District: Janesville School DistrictNearby
Preschool 4 Janesville 527 S Franklin St
Janesville, WI 53548
District: Janesville School DistrictNearby
Roosevelt Elementary 316 S Ringold St
Janesville, WI 53545
District: Janesville School DistrictNearby
Wilson Elementary 465 Rockport Rd
Janesville, WI 53548
District: Janesville School DistrictNearby
Adams Elementary 1138 E Memorial Dr
Janesville, WI 53545
District: Janesville School DistrictNearby
Dr. Kim F. Ehrhardt 307 E Wall St
Janesville, WI 53545
District: Private SchoolNearby
St Pauls Lutheran School 210 S Ringold St
Janesville, WI 53545
District: Private SchoolNearby
St Matthews Lutheran School 709 Milton Ave
Janesville, WI 53545
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 53547


Tricoci University Of Beauty Culture-Janesville 2310 W. Court Street
Janesville, WI 53548
Type: Post Secondary
Blackhawk Technical College 6004 South County Road G
Janesville, WI 53547-5009
Type: Post Secondary
Beloit College 700 College St
Beloit, WI 53511-5595
Type: Post Secondary
First Class Cosmetology School 306 State Street
Beloit, WI 53511-0000
Type: Post Secondary
University Of Wisconsin-Whitewater 800 W Main St
Whitewater, WI 53190-1790
Type: Post Secondary
Wright Graduate University For The Realization Of Human Potential N7698 County Highway H
Elkhorn, WI 53121-2556
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov