Petersburg, MI Profile: Facts, Map & Data


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Petersburg, Michigan - Basic Facts

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The City of Petersburg had a population of 1,145 as of July 1, 2017. Petersburg ranks in the upper quartile for Population Density and the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Michigan. See peer rankings below.

The primary coordinate point for Petersburg is located at latitude 41.8992 and longitude -83.7136 in Monroe County. The formal boundaries for the City of Petersburg (see map below) encompass a land area of 0.48 sq. miles and a water area of 0 sq. miles. Monroe County is in the Eastern time zone (GMT -5). The elevation is 679 feet.

The City of Petersburg (GNIS ID: 1626897) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Petersburg population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Petersburg, MI Boundary Map

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


Total Population 1,145
Daytime Population: Workers 186
Daytime Population: Residents 574
Total Daytime Population (TDP) 760
Ratio TDP/Total Population1 0.66
Population in Households 1,144
Population in Familes 958
Population in Group Qrtrs 1
Population Density2 2,383
Diversity Index3 9


Median Household Income $53,352
Average Household Income $65,450
Per Capita Income $25,051


Total Housing Units 482 (100%)
Owner Occupied HU 324 (67.2%)
Renter Occupied HU 131 (27.2%)
Vacant Housing Units 28 ( 5.8%)
Median Home Value $133,073
Average Home Value $152,769


Total Households 454
Average Household Size 2.52
Family Households 331
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 -0.01% -0.07%
Households 0.15% 0.04%
Families 0.69% -0.12%
Median Household Income   2.94%
Per Capita Income   3.46%

Petersburg, MI - Peer Comparisons by Rank and Percentile

The table below compares Petersburg to the other 692 incorporated cities, towns and CDPs 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 # 411 41st
Population Density # 106 85th
Diversity Index # 621 11th
Median Household Income # 193 72nd
Per Capita Income # 278 60th

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

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