Residential delivery area · Wisconsin
ZIP Code 53511: Beloit, WI
ZIP code 53511 uses the postal name Beloit, Wisconsin and lies entirely in Rock County (Census 2020 ZIP-county file). About 49,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $67,067 (Census Bureau, ACS 2020-2024). By Census place, 15% of its land lies in Beloit; 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Beloit · its only residential ZIP
- County
- Rock County
- Census places
- Beloit
- Metro area
- Janesville-Beloit, WI
- House districts
- WI-2 (73%), WI-1 (27%) 119th Congress, by share of land
- State
- Wisconsin
- Time zone
- Central
- Land area
- 114.9 sq mi · 424 people per sq mi
- PO Box ZIPs
- 53512 also use the name Beloit
Where is ZIP code 53511?
53511 centers on 42.546°, -89.107° and covers 114.9 square miles of land plus 1.3 of water. It borders 8 ZIP codes: 53501, 61072, 61080, 53576, 53548, 53546, 53525, 53520.
The map draws ZIP code areas only. For the streets inside 53511, 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 53511 compare with the rest of Rock County?
| Measure | 53511 | In Rock County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 48,701 | 1st of 20 | 5th of 783 |
| Median household income | $67k | 15th of 16 | 464th of 610 |
| Median home value | $174k | 17th of 17 | 542nd of 612 |
Its median household income is higher than in 42% of U.S. residential ZIP codes, and it is denser than 70% 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 53511?
The 2020 Census counted 48,659 people in 53511; the ACS, which samples households over 2020-2024, estimates 48,701. Between the 2010 and 2020 censuses its population fell 0.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 48,701
- 2020 Census count
- 48,659−0.6% since 2010 (48,929)
- Households
- 18,392
- Median age
- 37.0
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 53511?
Of the 48,701 people the ACS estimates in 53511, 24.1% are under 18 and 16.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (64.9%), then Hispanic or Latino (18.0%).
- Under 1824.1%
- 18 to 6459.6%
- 65 and older16.3%
- White, not Hispanic64.9%
- Hispanic or Latino18.0%
- Black, not Hispanic11.1%
- Other or two or more5.2%
- Asian, not Hispanic0.9%
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 53511 earn?
Median household income is $67,067 (ACS 2020-2024), the 15th highest of the 16 ranked ZIP codes in Rock County. It rose from $57,786 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $67,067
- Income per person
- $33,498
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 19.4%
- Adjusted gross income per tax return, 2022
- $57,56922,760 returns; wages 74% 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 53511?
FHFA's house price index for 53511, built from repeat sales and appraisals of the same homes, rose 129% from 2015 to 2025 and rose 68% from 2020 to 2025, and moved +4.2% in 2025.
- Median home value (owners' estimate)
- $173,500
- Median gross rent
- $1,057
- Homes owned by their occupants
- 65.9%
- Housing units
- 19,477
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 53511?
873 business establishments had a location in this ZIP code in 2023, 30 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade137
- Accommodation and food services116
- Health care and social assistance92
- Other services (except public administration)92
- Construction77
- Manufacturing66
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 53511?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 53501 | Afton | 165 | – | 4.3 mi |
| 61072 | Rockton, IL | 11,285 | $105k | 7.4 mi |
| 61080 | South Beloit, IL | 10,955 | $77k | 7.7 mi |
| 53576 | Orfordville | 2,131 | $64k | 8.5 mi |
| 53548 | Janesville | 19,916 | $77k | 10.0 mi |
| 53546 | Janesville | 29,867 | $76k | 10.9 mi |
| 53525 | Clinton | 4,066 | $79k | 13.2 mi |
| 53520 | Brodhead | 6,687 | $75k | 13.5 mi |
| 61079 | Shirland, IL | 210 | $46k | 8.5 mi (near) |
| 53537 | Footville | 752 | $60k | 10.2 mi (near) |
| 61073 | Roscoe, IL | 20,194 | $102k | 10.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Beloit?
1 more ZIP code carries the postal name Beloit, WI without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 53512 | Rock County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.