Coldwater is a city in Coldwater Township, Branch County, Michigan, United States. As of the 2010 census, the city population was 10,945. It is the county seat of Branch County, located in the center of the southern border of Michigan. American settlers did not move into the area until around 1830, with many arriving from New York and New England. Coldwater was incorporated as a village in 1837, and then incorporated by the legislature as a city in 1861. It was designated in 1842 as the county seat of Branch County.The Coldwater River flows into the city from the south, originating from Coldwater Lake. The Coldwater chain of lakes also has an outlet called the Sauk River, which flows from its north end (near Quincy) and then through the south side of the city of Coldwater.
Both combine to form a series of shallow, connected lakes on the city’s west side. According to the United States Census Bureau, the city has a total area of 8.27 square miles (21.42 km2), of which 8.03 square miles (20.80 km2) is land and 0.24 square miles (0.62 km2) is water.As of the census of 2010, there were 10,945 people, 4,255 households, and 2,628 families living in the city. The population density was 1,363.0 inhabitants per square mile (526.3/km2). There were 4,827 housing units at an average density of 601.1 per square mile (232.1/km2). The racial makeup of the city was 92.5% White, 0.6% African American, 0.2% Native American, 0.8% Asian, 3.2% from other races, and 2.7% from two or more races. Hispanic or Latino of any race were 6.6% of the population.
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