In 2018, Sanilac County, MI had a population of 41.4k people with a median age of 45.1 and a median household income of $45,277. Between 2017 and 2018 the population of Sanilac County, MI declined from 41,535 to 41,376, a -0.383% decrease and its median household income grew from $44,417 to $45,277, a 1.94% increase.
The 5 largest ethnic groups in Sanilac County, MI are White (Non-Hispanic) (94.1%), White (Hispanic) (2.63%), Two+ (Non-Hispanic) (1.07%), Other (Hispanic) (0.66%), and Black or African American (Non-Hispanic) (0.527%). 0% of the households in Sanilac County, MI speak a non-English language at home as their primary language, and 99.1% of the residents in Sanilac County, MI are U.S. citizens.
In 2018, the median property value in Sanilac County, MI was $106,400, and the homeownership rate was 79.8%. Most people in Sanilac County, MI drove alone to work, and the average commute time was 26.5 minutes. The average car ownership in Sanilac County, MI was 2 cars per household.