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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Beloit, WI

Beloit, WI Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 53511StandardRock48,929
ZIP Code 53512P.O. BoxRock0

Timezone(s):Central (GMT -06:00)
Counties:ROCK, WI
Population:36,966 (More Details)
Male Population:17,700
Female Population:19,266
Median Age:33
ZIP Codes:2
Area Codes:2
Total Area:726 square miles (county)
Land Area:718 square miles (county)
Water Area:8 square miles (county)

Beloit, WI Demographic Information *

Total population36,966
Male population17,700
Female population19,266
Median age (years)33.1
White Population25,485
Black Population5,572
Indian Population158
Asian Population415
Hawaiian Population10
Hispanic Population6,332
Median age (Male)31.8
Median age (Female)34.2
Total households13,781
Family households (families)8,867
Average household size2.57
Average family size3.16
Total housing units15,177
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],