ZIP Code 53545
standardSource:
Janesville · Rock County · Wisconsin
- Population
- 23,117
- Median income
- $73,889
- Median home value
- $220,700
- Bachelor's or higher
- 29.8%
- Land area
- 64.1 sq mi
360/sq mi
▼ 3% vs US
higher than 53% of US ZIPs
▼ 21% vs US
higher than 50% of US ZIPs
Median age 40.8
Chicago
ZIP code 53545 in Janesville, Wisconsin has a population of 23,117. The median household income is $73,889, which is 3% below the national average. Median home value is $220,700, 21% below the US average. 29.8% of residents hold a bachelor's degree or higher.
ZIP code 53545 is classified by USPS as a standard delivery area and covers roughly 64.1 square miles in Janesville, Rock County, Wisconsin. The area is home to 23,117 residents, producing a population density of 360 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 53545 against Wisconsin and the nation.
On the economic side, the median household income for ZIP 53545 sits at $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%. On housing, the median home value is $220,700 (11% below the state average) with median rent at $1,062 per month, and 64.7% of occupied units are owner-occupied, a direct signal of whether 53545 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 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 is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 53545
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 53545.
- Retail trade
Retail trade
153 establishments
- Accommodation and food services
Accommodation and food services
94 establishments
- Other services (except public administration)
Other services (except public administration)
90 establishments
- Health care and social assistance
Health care and social assistance
76 establishments
- Construction
Construction
63 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 53545?
40.8
Median Age
49.4%
Male
50.6%
Female
3.7%
Foreign-Born
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
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$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 →
More ZIP Codes in Rock County
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Frequently Asked Questions
What county is ZIP code 53545 in? ▼
What is the population of ZIP code 53545? ▼
What is the median household income in ZIP 53545? ▼
What is the average home value in ZIP 53545? ▼
What is the demographic makeup of ZIP 53545? ▼
How many businesses are in ZIP code 53545? ▼
What are the main industries in ZIP code 53545? ▼
How have home values changed in ZIP code 53545? ▼
What is the education level in ZIP code 53545? ▼
What is the average commute time in ZIP 53545? ▼
What percentage of residents own vs. rent in ZIP 53545? ▼
What is the poverty rate in ZIP code 53545? ▼
ZIP Code Research Guides
Official Data Resources for Janesville, WI
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.