Tuscola County is a county in the Thumb region of the U.S. state of Michigan. As of the 2010 census, the population was 55,729. The county seat is Caro. The county was created by Michigan Law on April 1, 1840, from land in Sanilac County and attached to Saginaw County for administrative purposes. The Michigan Legislature passed an act on March 2, 1850, that empowered the county residents to organize governmental functions.
According to the U.S. Census Bureau, the county has a total area of 914 square miles (2,370 km), of which 803 square miles (2,080 km) is land and 111 square miles (290 km) (12%) is water.
The 2010 United States Census indicates Tuscola County had a 2010 population of 55,729. This is a decrease of -2,537 people from the 2000 United States Census. Overall, the county had a -4.4% growth rate during this ten-year period. In 2010 there were 21,590 households and 15,423 families in the county. The population density was 69.4 per square mile (26.8 square kilometers). There were 24,451 housing units at an average density of 30.4 per square mile (11.7 square kilometers). 96.1% of the population were White, 1.1% Black or African American, 0.5% Native American, 0.3% Asian, 0.7% of some other race and 1.2% of two or more races. 2.8% were Hispanic or Latino (of any race). 32.3% were of German, 9.0% English, 8.4% Polish, 8.0% Irish, 7.8% American and 6.2% French, French Canadian or Cajun ancestry.
There were 21,590 households out of which 30.9% had children under the age of 18 living with them, 56.5% were husband and wife families, 9.9% had a female householder with no husband present, 28.6% were non-families, and 24.0% were made up of individuals. The average household size was 2.52 and the average family size was 2.97.
In the county, the population was spread out with 23.5% under age of 18, 7.9% from 18 to 24, 23.0% from 25 to 44, 29.8% from 45 to 64, and 15.8% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 100.6 males. For every 100 females age 18 and over, there were 98.6 males.
The 2010 American Community Survey 3-year estimate indicates the median income for a household in the county was $40,839 and the median income for a family was $49,274. Males had a median income of $28,288 versus $15,314 for females. The per capita income for the county was $19,470. About 1.7% of families and 17.2% of the population were below the poverty line, including 23.0% of those under the age 18 and 11.0% of those age 65 or over.
The Roman Catholic Diocese of Saginaw is the controlling regional body for the Catholic Church.