Texas District 3 of the United States House of Representatives is a Congressional district that serves a suburban area north and northeast of Dallas. It encompasses a large portion of Collin County including McKinney, Plano, and Frisco, as well as Collin County's share of Dallas itself. As of the 2010 census, District 3 represents 765,486 people who are predominantly middle-to-upper-class (median family income is US$80,912). The district is 73.1 percent White (non-Hispanic), 15.06 percent Hispanic or Latino (of any race), 13 percent Asian, and 8.9 percent Black or African American.