Mackinac Island, MI Profile: Facts & Data


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Mackinac Island, Michigan - Basic Facts

The City of Mackinac Island had a population of 443 as of July 1, 2020. Mackinac Island ranks in the lower quartile for Population Density and the upper 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 Mackinac Island is located at latitude 45.8492 and longitude -84.6189 in Mackinac County. The formal boundaries for the City of Mackinac Island encompass a land area of 4.35 sq. miles and a water area of 14.49 sq. miles. Mackinac County is in the Eastern time zone (GMT -5). The elevation is 594 feet.

The City of Mackinac Island (GNIS ID: 1626654) 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.


Mackinac Island, MI Data & Demographics (As of July 1, 2020)


Total Population 443 (100%)
Population in Households 443 (100.0%)
Population in Families 302 (68.2%)
Population in Group Quarters1 0
Population Density 102
Diversity Index2 47


Median Household Income $58,904
Average Household Income $75,700
% of Income for Mortgage4 37%
Per Capita Income $37,423
Wealth Index5 59


Total HU (Housing Units) 1,002 (100%)
Owner Occupied HU 97 ( 9.7%)
Renter Occupied HU 122 (12.2%)
Vacant Housing Units 783 (78.1%)
Median Home Value $517,045
Average Home Value $761,856
Housing Affordability Index3 61


Total Households 219
Average Household Size 2.02
Family Households 113
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -1.02% -1.2%
Households -0.89% -1.03%
Families -1.21% -1.27%
Median Household Income   0.71%
Per Capita Income   2.17%
Owner Occupied HU   -0.84%


Mackinac Island, MI - Peer Comparisons by Rank and Percentile

The table below compares Mackinac Island to the other 692 incorporated cities, towns and CDPs in Michigan by rank and percentile using July 1, 2020 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 # 556 20th
Population Density # 662 4th
Median Household Income # 204 71st
Housing Affordability Index # 15 2nd
Per Capita Income # 103 85th
Diversity Index # 75 89th

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

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