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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Petersburg, MI

Petersburg, MI Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 49270StandardMonroe5,874

Timezone(s):Eastern (GMT -05:00)
Counties:MONROE, MI
Population:1,146 (More Details)
Male Population:570
Female Population:576
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:680 square miles (county)
Land Area:549 square miles (county)
Water Area:131 square miles (county)

Petersburg, MI Demographic Information *

Total population1,146
Male population570
Female population576
Median age (years)36.6
White Population1,113
Black Population4
Indian Population3
Asian Population4
Hawaiian Population0
Hispanic Population19
Median age (Male)35.9
Median age (Female)38.3
Total households449
Family households (families)315
Average household size2.55
Average family size3
Total housing units476
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],