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 High-density area
- $73,889
- Median income Near-median income area
- $220,700
- Median home value Near-median home value
- 29.8%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 53545 (Janesville, WI) rose +4.2% from 2023 to 2024. The all-transactions index moved from 209.8 in 2023 to 218.6 in 2024 (2000 = 100).
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 average Wisconsin ZIP), while per-capita income is $40,317. The poverty rate is 9.7%, with unemployment at 3.6%; those measures add context to the income figure. Median home value is $220,700 (11% below the average Wisconsin ZIP) and median rent is $1,062; 64.7% of occupied homes 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. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Rock County, so 53545 can be compared with both its immediate and county-level context.
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.
- 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 + 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
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 ZIP avg
$40,317
Per Capita Income
9.7%
Poverty Rate
3.6%
Unemployment Rate
23.1 min
Mean Commute Time
How ZIP 53545 ranks among Wisconsin ZIPs
Janesville, WI household income vs. every Wisconsin ZIP code
Median household income among 755 reporting Wisconsin ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$73,889 46th percentile higher than 46% of 755 Wisconsin ZIPs
Each bar is a $20K-wide band; taller bars hold more Wisconsin 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
11,266housing units
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 ZIP avg
$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.
- 53546
Janesville (53546)
30,648 residents
- 53545
Janesville (53545)
23,117 residents
- 53548
Janesville (53548)
18,558 residents
- 53534 11,512
Edgerton (53534)
11,512 residents
- 53563 10,728
Milton (53563)
10,728 residents
- 53501 23
Afton (53501)
23 residents
What this shows Among its immediate neighbors, ZIP 53545 ranks #2 by population - useful context the national average alone can't give.
ZIP 53545 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53563
Milton (53563)
$89,528 median income
- 53534
Edgerton (53534)
$89,045 median income
- 53548
Janesville (53548)
$76,869 median income
- 53546
Janesville (53546)
$75,825 median income
- 53545
Janesville (53545)
$73,889 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 53545, both outside WI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (23,117 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Rock County
Related Areas
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.
Related
Take this with you
What to do with ZIP 53545's numbers, next.
- See how ZIP 53545 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Janesville, WI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.