Marine City, MI Profile: Facts & Data


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Marine City, Michigan - Basic Facts

The City of Marine City had a population of 4,108 as of July 1, 2018. Marine City 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 Marine City is located at latitude 42.7143 and longitude -82.5028 in St. Clair County. The formal boundaries for the City of Marine City (see map below) encompass a land area of 2.15 sq. miles and a water area of 0.31 sq. miles. St. Clair County is in the Eastern time zone (GMT -5). The elevation is 584 feet.

The City of Marine City (GNIS ID: 1626687) 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 Marine City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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Marine City, MI Data & Demographics (As of July 1, 2018)


Total Population 4,108
Population in Households 4,107
Population in Familes 3,166
Population in Group Qrtrs 1
Population Density1 1,913
Diversity Index2 11


Median Household Income $45,928
Average Household Income $58,256
Per Capita Income $24,700


Total Housing Units 2,015 (100%)
Owner Occupied HU 1,020 (50.6%)
Renter Occupied HU 717 (35.6%)
Vacant Housing Units 278 (13.8%)
Median Home Value $106,672
Average Home Value $143,891


Total Households 1,737
Average Household Size 2.36
Family Households 1,074
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -0.41% -0.23%
Households -0.19% -0.07%
Families -0.47% -0.26%
Median Household Income   3.71%
Per Capita Income   4.31%

Marine City, MI - Peer Comparisons by Rank and Percentile

The table below compares Marine City to the other 692 incorporated cities, towns and CDPs in Michigan by rank and percentile using July 1, 2018 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 # 200 71st
Population Density # 148 79th
Diversity Index # 547 21st
Median Household Income # 378 46th
Per Capita Income # 327 53rd

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

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