Algonac, MI Profile: Facts, Map & Data


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Algonac, Michigan - Basic Facts

The City of Algonac had a population of 4,142 as of July 1, 2018. Algonac 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 Algonac is located at latitude 42.6213 and longitude -82.535 in St. Clair County. The formal boundaries for the City of Algonac (see map below) encompass a land area of 1.43 sq. miles and a water area of 0.01 sq. miles. St. Clair County is in the Eastern time zone (GMT -5). The elevation is 581 feet.

The City of Algonac (GNIS ID: 1625818) 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 Algonac population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Algonac: Manchester, Poine du Chene.

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City of Algonac, MI Boundary Map

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


Total Population 4,142
Population in Households 4,129
Population in Familes 3,109
Population in Group Qrtrs 13
Population Density2 2,894
Diversity Index3 10


Median Household Income $52,138
Average Household Income $61,350
Per Capita Income $26,752


Total Housing Units 2,050 (100%)
Owner Occupied HU 1,156 (56.4%)
Renter Occupied HU 646 (31.5%)
Vacant Housing Units 248 (12.1%)
Median Home Value $120,415
Average Home Value $159,805


Total Households 1,802
Average Household Size 2.29
Family Households 1,088
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 0.09% 0.11%
Households 0.31% 0.28%
Families 0.07% 0.11%
Median Household Income   1.71%
Per Capita Income   4.12%

Algonac, MI - Peer Comparisons by Rank and Percentile

The table below compares Algonac 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 # 197 72nd
Population Density # 74 89th
Diversity Index # 606 13th
Median Household Income # 252 64th
Per Capita Income # 254 63rd

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

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