Branch County is a county in the U.S. state of Michigan. As of the 2010 census, the population was 45,248. The county seat is Coldwater. As one of the “cabinet counties” it was named for the U.S. Secretary of the Navy John Branch under President Andrew Jackson. The county was founded in 1829, and was organized in 1833.
According to the U.S. Census Bureau, the county has a total area of 520 square miles (1,300 km), of which 506 square miles (1,310 km) is land and 13 square miles (34 km) (2.6%) is water. It is the third-smallest county in Michigan by total area.
The 2010 United States Census indicates Branch County had a 2010 population of 45,248. This decrease of -539 people from the 2000 United States Census represents a -1.2% growth decrease during the decade. In 2010 there were 16,419 households and 11,350 families in the county. The population density was 89.4 per square mile (34.5 square kilometers). There were 20,841 housing units at an average density of 41.2 per square mile (15.9 square kilometers). The racial and ethnic makeup of the county was 90.9% White, 3.0% Black or African American, 0.4% Native American, 0.4% Asian, 4.0% Hispanic or Latino, 0.1% from other races, and 1.2% from two or more races.
There were 16,419 households out of which 31.5% had children under the age of 18 living with them, 52.2% were husband and wife families, 11.1% had a female householder with no husband present, 30.9% were non-families, and 25.8% were made up of individuals. The average household size was 2.56 and the average family size was 3.05.
In the county, the population was spread out with 23.9% under age of 18, 8.0% from 18 to 24, 25.0% from 25 to 44, 28.3% from 45 to 64, and 14.7% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 111.4 males. For every 100 females age 18 and over, there were 112.9 males.
The 2010 American Community Survey 3-year estimate indicates the median income for a household in the county was $41,855 and the median income for a family was $48,959. Males had a median income of $25,595 versus $17,263 for females. The per capita income for the county was $18,289. About 2.5% of families and 17.7% of the population were below the poverty line, including 25.3% of those under the age 18 and 9.0% of those age 65 or over.
Branch County Michigan neighborhoods include: Backwoods, Iyopawa Island, Lake George, Lake Lavine, Marshall, N Union City Rd, Pearl Beach, Very Nice, Quiet