 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.