ZIP Code 53548 in Janesville, WI

Data Last Updated: October 1, 2025
City:Janesville, Wisconsin
County:Rock County
Timezone:Central (GMT -06:00)
Local Time:7:48:18 PM
Population:19,233 [See All]
Area Codes:353 / 608
Classification:Standard [Normal Street Delivery]
Coordinates:42.6945, -89.1319
Land Area:74.98 sq mi
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Population & Demographics


ZIP Code 53548 has 19,233 residents and 7,720 households (average 2.46 persons per household). The median age is 40.0 years, about the same as the state (40.1) and slightly older than the nation (38.8). The gender split is 49.8% male and 50.2% female, which is about the same as the national male share (49.1%). Largest groups are White (84.1%, much higher than the national average of 61.6%) and Hispanic or Latino (6.7%); Hispanic or Latino residents make up 6.7%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:19,233Source: Census DHC
2023 ACS Population Estimate:20,509Source: Census ACS
2025 ZC Population Estimate:19,948Source: ZIP-Codes.com
Population Density:256.5 people per sq mile
Average Income:$74,696Source: Census ACS
Households:7,720Source: Census DHC
Average House Value:$226,600Source: Census ACS
Persons Per Household:2.46Source: Census DHC
Average Family Size:3.08Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--18,56218,29318,04217,61918,04618,18818,55318,07419,24320,16520,31420,11920,509
Decennial Census18,558------------------19,233------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 40

Male Median Age: 38.8

Female Median Age: 41.3

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male575642736641495622633595544563623697658600350247187161
Female566583594589488580596673583565636759687573387344214247
Total1,1411,2251,3301,2309831,2021,2291,2681,1271,1281,2591,4561,3451,173737591401408
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:16,16984.56%
Black:7654.00%
Hispanic:*1,2836.71%
Asian:3211.68%
American Indian:820.43%
Hawaiian:120.06%
Other:4892.56%
Total:19,121100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:9,56949.75%38.8 years
Females:9,66450.25%41.3 years
Total:19,233100%40.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:19,58995.51%
Native, born in PR, Island Areas, or abroad:790.39%
Foreign born, naturalized U.S. citizen:4302.10%
Foreign born, not a U.S. citizen:4114.10%
Total Population:20,509100%
Total Native Population:19,66895.90%
Total Foreign-born Population:8414.10%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $74,696, which is falls short of the national median ($78,538), is up $29,341 (64.7%) since 2011 and above its 2019 pre-pandemic level by $20,924. Family households earn a median of $87,500 versus $40,154 for nonfamily households (a difference of $47,346). By gender, male median income is $50,353 and female is $51,306, which is falls short of the national female median ($53,445), with a current gap of $953 that has narrowed from 2011 to 2023. The labor-force participation rate is 63.4%, which is a bit lower than the state rate (65.5%). The unemployment rate is 5.4%, which is markedly higher than the state rate (3.3%). The largest occupation group is Management (32.9%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$45,355$45,089$45,559$46,370$45,147$46,124$50,724$50,993$53,772$55,677$67,500$70,082$74,696
Median Family Income$55,184$55,241$56,040$57,086$55,547$55,219$58,690$62,775$66,603$68,545$78,154$80,146$87,500
Median NonFamily Income$27,514$27,736$26,103$27,449$30,759$28,936$30,684$29,613$29,507$28,633$34,231$40,764$40,154
Median Male Income$44,239$44,025$42,482$43,143$44,588$45,333$46,046$48,373$47,714$44,362$46,922$47,810$50,353
Median Female Income$32,544$33,369$34,831$34,779$33,835$32,927$33,588$33,141$36,021$41,374$43,291$48,940$51,306
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:10,02459.98%
Unemployed:5693.40%
Not In Labor Force:6,11836.61%
Total:16,711100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:3,29332.85%
Service:1,71317.09%
Sales and Office:1,82218.18%
Natural resources, construction, and maintenance:8358.33%
Production, transportation, and material moving:2,36123.55%
Total Civilian Employed Population:10,024100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $226,600, which is considerably lower than the national median ($303,400), is up $85,900 (61.05%) since 2011 and above its 2019 pre-pandemic level by $84,000. The median gross rent is $999, which is considerably lower than the national median ($1,348), is up $294 (41.70%) since 2011 and above its 2019 pre-pandemic level by $201. Of occupied housing, owners make up 67.85% (66.91% with a mortgage, 33.09% free-and-clear) and renters 32.15% - making this ZIP Code less home ownership than the state and under national rental averages. The vacancy rate is 5.15%, which is considerably lower than the state rate (11.08%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$140,700$136,300$129,400$132,200$128,800$125,900$130,400$134,700$142,600$159,000$169,600$197,300$226,600
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:1475.42%
$500 to $999:1,09640.41%
$1,000 to $1,499:91733.81%
$1,500 to $1,999:30311.17%
$2,000 to $2,499:120.44%
$2,500 to $2,999:00.00%
$3,000 or more:60.22%
No Rent:2318.52%
Total:2,712100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$705$734$719$723$750$725$736$773$798$819$892$987$999
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):3,83045.40%
Owner Occupied (free and clear, no mortgage):1,89422.45%
Renter Occupied:2,71232.15%
Total Occupied Housing Units:8,436100%

Occupied Housing Units:8,43694.85%
Vacant Housing Units (not graphed):4585.15%
Total Housing Units:8,894100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:7,12080.05%
Multi-Family Units:1,60418.03%
Other Units:1701.91%
Total Housing Units:8,894100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 26.70% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 93.80%, which is well above the national rate (89.40%). The uninsured rate is 6.20%, which is falls below the national rate (8.60%). The share of people in poverty is 7.70%, which is on par with the state rate (6.60%), down 7.10 percentage points since 2011 and below its 2019 pre-pandemic level by 2.20 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (40.09%). College enrollment is 26.90%, which is on par with the state rate (25.50%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:3392.35%
9th to 12th grade, no diploma:5523.83%
High school graduate (includes equivalency):4,99034.59%
Some college, no degree:2,90120.11%
Associate's degree:1,79612.45%
Bachelor's degree:2,47217.13%
Graduate or professional degree:1,3779.54%
Total:14,427100%
High school or higher:13,53693.82%
Bachelor's degree or higher:3,84926.68%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:14,89661.86%
Public Insurance:7,92032.89%
No Insurance:1,2665.26%
Total:24,082100%
Has Health Insurance:22,81694.74%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty14.8%14.3%13.2%13.7%14.6%12.3%10.2%10.6%9.9%8.9%7.8%8.4%7.7%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:2685.61%
Kindergarten:2384.99%
Elementary school (grades 1-8):1,91440.09%
High school (grades 9-12):1,07022.41%
College or graduate school:1,28426.90%
Total:4,774100%
Early Childhood:50610.60%
K-12 (Primary & Secondary School):3,22267.49%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 53548 supports both business and residential activity. According to the Business Census (2023), there are 294 business establishments, employing about 2,784 people with an annual payroll of $144,334,000. USPS data shows 8,109 residential mailboxes and 411 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:8,109Source: USPS
# Business Mailboxes:411Source: USPS
Total Delivery Receptacles:8,514Source: USPS
Single Family Delivery Units:7,196Source: USPS
Multi Family Delivery Units:624Source: USPS
# of Businesses:294Source: CBP
1st Quarter Payroll:$32,231,000Source: CBP
Annual Payroll:$144,334,000Source: CBP
# of Employees:2,784Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 53548 is located in Rock County, Wisconsin, within the Janesville-Beloit, WI Metropolitan Statistical Area (CBSA 27500) and Wisconsin's 1st and 2nd Congressional Districts. This Metro area has a population of 163,944 people, about 11.73% of whom live in ZIP Code 53548. It covers 74.98 sq mi of land and a water area of 1.172 sq mi.

CBSA Name:Janesville-Beloit, WISource: Census
CBSA Number:27500Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:163,944Source: Census
MSA:Janesville-Beloit, WI MSASource: Census
Land Area:74.98 sq miSource: Census
Water Area:1.172 sq miSource: Census
Congressional District:01,02Source: USPS
Congressional Land Area:1727.92, 4536.69 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


53549 | | 53547

Schools in ZIP Code 53548


ZIP Code 53548 is in the Janesville School District, which serves grades Pre-Kindergarten thru 12th. There are 8 public schools and 1 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Franklin Middle 450 N Crosby Ave
Janesville, WI 53548
District: Janesville School District
Madison Elementary 331 N Grant Ave
Janesville, WI 53548
District: Janesville School District
Parker High 3125 Mineral Point Ave
Janesville, WI 53548
District: Janesville School District
Washington Elementary 811 N Pine St
Janesville, WI 53548
District: Janesville School District
Wilson Elementary 465 Rockport Rd
Janesville, WI 53548
District: Janesville School District
Rock River Charter School 31 W Milwaukee St
Janesville, WI 53548
District: Janesville School District
Preschool 4 Janesville 527 S Franklin St
Janesville, WI 53548
District: Janesville School District
Arise Virtual Academy 450 N Crosby Ave
Janesville, WI 53548
District: Janesville School District
St William Catholic School 1822 Ravine St
Janesville, WI 53548
District: Private School

Colleges & Post Secondary Schools near ZIP Code 53548


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
Saint Anthony College Of Nursing 3301 N. Mulford Road
Rockford, IL 61114
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 October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], 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 2011-2023 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: 10/1/2025], https://nces.ed.gov