PlainZIP

Janesville, WI · standard

ZIP Code 53545

Rock County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

23,117
360/sq mi
$73,889
Median income
$220,700
Median home value
29.8%
Bachelor's or higher

The verdict

Janesville pairs an above-median household income with above-median home values, in a low-density, homeowner-dominated area.

Top 47%
household income, US ZIPs
Top 50%
home value, US ZIPs
360
people per sq mi
65%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 53545 against every reporting US ZIP.

ZIP code 53545 is a densely settled ZIP (a standard USPS delivery area) in Janesville, Rock County, Wisconsin, with 23,117 residents across 64.1 square miles, a density of 360 people per square mile, in the Chicago time zone.

ZIP 53545 lands in the middle-income range, with a median household income of $73,889 (5% below the Wisconsin average), while per-capita income is $40,317. The poverty rate stands at 9.7% and the unemployment rate at 3.6%. The typical home here is valued at $220,700 (11% below the state average); renters pay a median of $1,062 monthly, and 64.7% of units are owner-occupied.

Educational attainment sits below the national norm: 29.8% of adults hold a bachelor's degree or higher, the median age is 40.8, and the average commute is 23 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rock County, so you can benchmark 53545 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 53545

Top 5 sectors by establishment count in Janesville, WI

Which industries have the most business establishments in ZIP 53545.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 53545, Janesville, WI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

23,117

Population

64.1

Area (sq mi)

360

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 53545?

40.8

Median Age

49.4%

Male

50.6%

Female

3.7%

Foreign-Born

White 83.7%
African American 4.6%
Asian 1.8%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.2%
Hispanic or Latino 6.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$73,889

Median Household Income

-5% vs state

$40,317

Per Capita Income

9.7%

Poverty Rate

3.6%

Unemployment Rate

23.1 min

Mean Commute Time

How ZIP 53545 ranks nationally

Janesville, WI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$73,889 Top 47% higher than 53% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 62.0%
Bachelor's Degree or Higher 29.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

11,266

Total Housing Units

10,909

Occupied Units

357

Vacant Units

2.23

Avg Household Size

Occupancy Type

Owner 64.7%
Renter 35.3%

$220,700

Median Home Value

-11% vs state

$1,062

Median Rent

1965

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.2%

YoY Change (2024)

219

HPI Index (2000 = 100)

+119%

Total Change Since 2000

Home values in ZIP 53545 have increased 4.2% over the past year (2024). Since 2000, this ZIP has seen +119% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.1% 146
2021 +11.7% 163
2022 +15.5% 188
2023 +11.5% 210
2024 +4.2% 219

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 773 business establishments in ZIP 53545, employing approximately 15,292 people with a combined annual payroll of $768,912,000.

773

Businesses

15,292

Employees

$768.9M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Retail trade 153 19.8%
Accommodation and food services 94 12.2%
Other services (except public administration) 90 11.6%
Health care and social assistance 76 9.8%
Construction 63 8.2%
Finance and insurance 49 6.3%
Professional, scientific, and technical services 47 6.1%
Administrative and support and waste management and remediation services 46 6.0%
Real estate and rental and leasing 37 4.8%
Manufacturing 27 3.5%
Wholesale trade 24 3.1%
Transportation and warehousing 21 2.7%
Information 15 1.9%
Arts, entertainment, and recreation 13 1.7%
Educational services 8 1.0%
Management of companies and enterprises 7 0.9%
Utilities 3 0.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 53545 vs 53548 →

ZIP 53545 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 53545 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 53545 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 53545 ranks #5 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
53548 Janesville, WI 18,558 5.7 mi
53501 Afton, WI 23 9.0 mi
53534 Edgerton, WI 11,512 8.3 mi
53563 Milton, WI 10,728 6.7 mi
53546 Janesville, WI 30,648 7.4 mi

More ZIP Codes in Rock County

53511 standard
Beloit, WI
Pop: 48,929
53546 standard
Janesville, WI
Pop: 30,648
53548 standard
Janesville, WI
Pop: 18,558
53534 standard
Edgerton, WI
Pop: 11,512
53563 standard
Milton, WI
Pop: 10,728
53536 standard
Evansville, WI
Pop: 8,503

Related Areas

Rock County Janesville, WI Wisconsin

Frequently Asked Questions

What county is ZIP code 53545 in? ▼
ZIP code 53545 (Janesville) is located in Rock County, Wisconsin. Rock County contains multiple ZIP codes, see the full list at /counties/rock-wi.
What is the population of ZIP code 53545? ▼
ZIP code 53545 in Janesville, WI has a population of 23,117 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 53545? ▼
The median household income in ZIP 53545 is $73,889, which is 3% below the national average of $76,288.
What is the average home value in ZIP 53545? ▼
The median home value in ZIP 53545 is $220,700, which is 21% below the national average of $278,155.
What is the demographic makeup of ZIP 53545? ▼
The largest racial group in ZIP 53545 is White at 83.7%. Hispanic or Latino residents make up 6.2% of the population.
How many businesses are in ZIP code 53545? ▼
ZIP code 53545 has 773 business establishments employing approximately 15,292 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 53545? ▼
The top industries by establishment count in ZIP 53545 are: Retail trade (153), Accommodation and food services (94), Other services (except public administration) (90). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 53545? ▼
According to the FHFA House Price Index, home values in ZIP 53545 increased by 4.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 119%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 53545? ▼
In ZIP code 53545, 62.0% of residents aged 25+ have a high school diploma or higher, and 29.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 53545? ▼
The mean commute time for workers in ZIP code 53545 is 23.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 53545? ▼
In ZIP code 53545, approximately 64.7% of occupied housing units are owner-occupied and 35.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 53545? ▼
The poverty rate in ZIP code 53545 is 9.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.