Residential delivery area · Wisconsin
ZIP Code 53546: Janesville, WI
ZIP code 53546 uses the postal name Janesville, Wisconsin and lies entirely in Rock County (Census 2020 ZIP-county file). About 30,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Janesville's 3 residential ZIP codes. Median household income is $75,825 (Census Bureau, ACS 2020-2024). By Census place, 20% of its land lies in Janesville; 80% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Janesville · 3 residential ZIPs
- County
- Rock County
- Census places
- Janesville
- Metro area
- Janesville-Beloit, WI
- House districts
- WI-1 (90%), WI-2 (10%) 119th Congress, by share of land
- State
- Wisconsin
- Time zone
- Central
- Land area
- 81.1 sq mi · 368 people per sq mi
- PO Box ZIPs
- 53547 also use the name Janesville
Where is ZIP code 53546?
53546 centers on 42.652°, -88.948° and covers 81.1 square miles of land plus 0.5 of water. It borders 8 ZIP codes: 53505, 53501, 53545, 53563, 53525, 53548, 53511, 53190.
The map draws ZIP code areas only. For the streets inside 53546, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 53546 compare with the rest of Janesville?
| Measure | 53546 | In Janesville | In Rock County | In WI |
|---|---|---|---|---|
| People (ACS 2020-2024) | 29,867 | 1st of 3 | 2nd of 20 | 47th of 783 |
| Median household income | $76k | 2nd of 3 | 10th of 16 | 322nd of 610 |
| Median home value | $239k | 1st of 3 | 11th of 17 | 311th of 612 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 69% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 53546?
The 2020 Census counted 31,190 people in 53546; the ACS, which samples households over 2020-2024, estimates 29,867. Between the 2010 and 2020 censuses its population grew 1.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 29,867
- 2020 Census count
- 31,190+1.8% since 2010 (30,648)
- Households
- 12,314
- Median age
- 41.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 53546?
Of the 29,867 people the ACS estimates in 53546, 21.9% are under 18 and 17.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (85.4%).
- Under 1821.9%
- 18 to 6460.3%
- 65 and older17.8%
- White, not Hispanic85.4%
- Hispanic or Latino8.0%
- Other or two or more5.0%
- Asian, not Hispanic1.0%
- Black, not Hispanic0.6%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 53546 earn?
Median household income is $75,825 (ACS 2020-2024), the 10th highest of the 16 ranked ZIP codes in Rock County. It is not measurably different from 2015-2019 ($74,785 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,825
- Income per person
- $38,909
- Below the poverty line
- 7.2%
- Unemployed (of the labor force)
- 3.0%
- Adults 25+ with a bachelor's degree
- 26.3%
- Adjusted gross income per tax return, 2022
- $70,56215,970 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 53546?
FHFA's house price index for 53546, built from repeat sales and appraisals of the same homes, rose 124% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +9.0% in 2025.
- Median home value (owners' estimate)
- $239,400
- Median gross rent
- $1,043
- Homes owned by their occupants
- 74.5%
- Housing units
- 12,837
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 53546?
600 business establishments had a location in this ZIP code in 2023, 5 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance80
- Retail trade67
- Construction66
- Other services (except public administration)56
- Accommodation and food services54
- Manufacturing45
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 53546?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53505 | Avalon | 358 | $92k | 6.5 mi |
| 53501 | Afton | 165 | – | 7.3 mi |
| 53545 | Janesville | 24,703 | $74k | 7.6 mi |
| 53563 | Milton | 11,280 | $90k | 8.9 mi |
| 53525 | Clinton | 4,066 | $79k | 9.1 mi |
| 53548 | Janesville | 19,916 | $77k | 9.6 mi |
| 53511 | Beloit | 48,701 | $67k | 10.9 mi |
| 53190 | Whitewater | 20,499 | $66k | 15.2 mi |
| 53114 | Darien | 1,979 | $73k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.