In 2021, Sanilac County, MI had a population of 40.8k people with a median age of 45.3 and a median household income of $52,459. Between 2020 and 2021 the population of Sanilac County, MI declined from 41,179 to 40,829, a −0.85% decrease and its median household income grew from $49,852 to $52,459, a 5.23% increase.
The 5 largest ethnic groups in Sanilac County, MI are White (Non-Hispanic) (93.4%), White (Hispanic) (2.09%), Two+ (Non-Hispanic) (1.74%), Two+ (Hispanic) (0.987%), and Other (Hispanic) (0.818%).
None of the households in Sanilac County, MI reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.1% of the residents in Sanilac County, MI are U.S. citizens.
In 2021, the median property value in Sanilac County, MI was $130,900, and the homeownership rate was 79.5%.
Most people in Sanilac County, MI drove alone to work, and the average commute time was 29 minutes. The average car ownership in Sanilac County, MI was 2 cars per household.