Sanilac County MI Information


Sanilac County Subdivisions

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


Total Population 41,979
Daytime Population: Workers 14,322
Daytime Population: Residents 23,953
Total Daytime Population (TDP) 38,275
Ratio TDP/Total Population1 0.91
Population in Households 41,413
Population in Familes 34,082
Population in Group Qrtrs 566
Population Density2 44
Diversity Index3 15


Median Household Income $43,717
Average Household Income $56,040
Per Capita Income $22,435


Total Housing Units 22,588 (100%)
Owner Occupied HU 13,169 (58.3%)
Renter Occupied HU 3,476 (15.4%)
Vacant Housing Units 5,943 (26.3%)
Median Home Value $111,998
Average Home Value $145,140


Total Households 16,645
Average Household Size 2.49
Family Households 11,390
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 -0.37% -0.52%
Households -0.4% -0.54%
Families -0.59% -0.66%
Median Household Income   1.79%
Per Capita Income   2.63%


Sanilac County MI - Peer Comparisons by Rank and Percentile

The table below compares Sanilac County to the other 83 counties and county equivalents 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 # 40 53rd
Population Density # 55 35th
Diversity Index # 52 40th
Median Household Income # 54 36th
Per Capita Income # 67 20th

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