Janesville, WI 53548 ZIP Code Profile

Related Place Profiles:
Janesville, WI

ZIP Code 53548: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Janesville, WI 53548

  • ZIP Code Type: STANDARD
  • County: Rock County
  • Centroid: Latitude 42.678, Longitude -89.016
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 382
  • PO Box Addresses: 0
  • Residential Addresses: 7,800
    • Multi-Family Addresses: 497
    • Single Family Addresses: 7,303

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


53548 ZIP Code Map

Search the map for:

Janesville, WI 53548 Data & Demographics (As of July 1, 2017)


Total Population 19,725
Daytime Population: Workers 9,279
Daytime Population: Residents 10,077
Total Daytime Population (TDP) 19,356
Ratio TDP/Total Population1 0.98
Population in Households 19,542
Population in Familes 15,492
Population in Group Qrtrs 183
Population Density2 255
Diversity Index3 30


Median Household Income $50,422
Average Household Income $64,554
Per Capita Income $25,829


Total Housing Units 8,567 (100%)
Owner Occupied HU 5,222 (61.0%)
Renter Occupied HU 2,620 (30.6%)
Vacant Housing Units 725 ( 8.5%)
Median Home Value $143,954
Average Home Value $177,231


Total Households 7,842
Average Household Size 2.49
Family Households 5,227
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.21% 0.26%
Households 0.29% 0.31%
Families 0.19% 0.24%
Median Household Income   1.98%
Per Capita Income   2.88%

Janesville, WI 53548 - Peer Comparisons by Rank and Percentile

The table below compares 53548 to the other 769 ZIP Codes in Wisconsin by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 102 87th
Population Density # 190 75th
Diversity Index # 130 83rd
Median Household Income # 531 31st
Per Capita Income # 538 30th

Additional comparisons and rankings can be made with a VERY EASY TO USE Wisconsin Census Data Comparison Tool.

Wisconsin Research Tools

Wisconsin Census Data Comparison Tool

Compare Wisconsin Census Data
Highest or Lowest: