Sanilac County, MI — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
40,574
Male
20,463
50.4%
Female
20,111
49.6%
Median Age
45.3 yrs
Avg Household Size
2.3
Foreign Born
1.4%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher11.4%
High School or Higher41.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.1%
Disability
0.0%
Non-English Home
6.7%
Married
46.9%
Sanilac County, MI has a population of 40,574 according to 2023 Census Bureau estimates. The median age is 45.3 years. The largest racial or ethnic group is White at 93.8% of the population. 11.4% of residents hold a bachelor's degree or higher. 1.4% of residents are foreign-born.