Today, the Detroit suburbs in Oakland County, Macomb County, and northeastern and northwestern Wayne County are predominantly ethnic European American. Oakland County is among the most affluent counties in the United States, with a population of more than one million. In Wayne County, the city of Dearborn has a large concentration of Arab Americans, mainly Shi'ite Muslim Lebanese, whose ancestors immigrated here in the early 20th century. Recently, the area has witnessed some growth in ethnic Albanian, Asian and Hispanic populations.