Macomb County is a county located in the eastern portion of the U.S. state of Michigan and is part of Metro Detroit. As of the 2010 census, the population was 840,978, making it the third-most populous county in the state. Of Michigan’s five largest counties, Macomb experienced the most population growth (102.5%) between 1950 and 1960. The county seat is Mt. Clemens.
According to the U.S. Census Bureau, the county has a total area of 571 square miles (1,480 km), of which 479 square miles (1,240 km) is land and 92 square miles (240 km) (16%) is water. The county’s southeastern border with Canada is located across Lake St. Clair.
Lake St. Clair borders the county on the east.
Far northern parts of the county, such as Richmond and Armada, are often considered to be part of Michigan’s Thumb region.
As of the 2010 United States Census, there were 840,978 people residing in the county. 85.4% were White, 8.6% Black or African American, 3.0% Asian, 0.3% Native American, 0.6% of some other race and 2.1% of two or more races. 2.3% were Hispanic or Latino (of any race). 14.8% were of German, 14.3% Polish, 11.1% Italian, 6.5% Irish and 5.9% American ancestry.
In 2000, 87.6% of county residents spoke only English at home; 1.7% spoke Italian, 1.4% Polish, 1.2% Spanish, 1.1% Arabic, and 1.1% Syriac.
Among Asian ethnic groups, six numbered over 1,000 people in Macomb County. The most numerous were the 5,713 Southeast Asian Indians, followed by Filipinos (4,155), Chinese (2,489), Koreans (1,853) Vietnamese (1,557), and Hmong (1,103). Pakistanis are also represented in Macomb County’s population.
European and Mid-Eastern national and ethnic groups that have settled in Macomb County since the 20th century include Albanians, Arabs, Chaldeans and Macedonians.
Native American tribes had over 2,478 residents in Macomb County in 2000.
In 2000, there were 309,203 households out of which 31.10% had children under the age of 18 living with them, 54.30% were married couples living together, 10.10% had a female householder with no husband present, and 31.80% were non-families. 26.90% of all households were made up of individuals and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.09.
In 2000, the age distribution of the county was as follows: 24.10% under the age of 18, 8.00% from 18 to 24, 31.50% from 25 to 44, 22.80% from 45 to 64, and 13.70% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 96.00 males. For every 100 females age 18 and over, there were 92.90 males.
The median income for a household in the county was $52,102, and the median income for a family was $62,816. Males had a median income of $48,303 versus $30,215 for females. The per capita income for the county was $24,446. About 4.00% of families and 5.60% of the population were below the poverty line, including 7.00% of those under age 18 and 6.40% of those age 65 or over.
According to the 2006 American Community Survey the average family size was 3.15. The population of 25 and over was 571,463. 86.9% of that population had graduated from high school, and 21% of the population had a Bachelor’s degree or higher. About 14.3% of that population was disabled. 12.5% of Macomb’s population could speak another language at home.