Petersburg, MI 49270 ZIP Code Profile

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Petersburg, MI

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ZIP Code 49270: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Petersburg, MI 49270

  • ZIP Code Type: STANDARD
  • County: Monroe County
  • Centroid: Latitude 41.873, Longitude -83.68
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 74
  • PO Box Addresses: 107
  • Residential Addresses: 2,248
    • Multi-Family Addresses: 25
    • Single Family Addresses: 2,223

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


49270 ZIP Code Map

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Petersburg, MI 49270 Data & Demographics (As of July 1, 2017)


Total Population 6,077
Daytime Population: Workers 908
Daytime Population: Residents 3,071
Total Daytime Population (TDP) 3,979
Ratio TDP/Total Population1 0.65
Population in Households 6,059
Population in Familes 5,282
Population in Group Qrtrs 18
Population Density2 133
Diversity Index3 10


Median Household Income $64,885
Average Household Income $78,616
Per Capita Income $29,333


Total Housing Units 2,380 (100%)
Owner Occupied HU 1,941 (81.6%)
Renter Occupied HU 320 (13.4%)
Vacant Housing Units 119 ( 5.0%)
Median Home Value $199,927
Average Home Value $223,313


Total Households 2,261
Average Household Size 2.68
Family Households 1,738
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.0% -0.08%
Households 0.2% 0.02%
Families 0.06% -0.08%
Median Household Income   2.96%
Per Capita Income   3.02%

Petersburg, MI 49270 - Peer Comparisons by Rank and Percentile

The table below compares 49270 to the other 984 ZIP Codes in Michigan by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 436 56th
Population Density # 460 54th
Diversity Index # 829 15th
Median Household Income # 137 86th
Per Capita Income # 260 74th

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.

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