Houston is the fourth-largest city in the United States, and the largest city in the state of Texas. According to the 2010 U.S. Census, the city had a population of 2.1 million people within an area of 656.3 square miles. Houston is the seat of Harris County and the economic center of Houston–Sugar Land–Baytown, the fifth-largest metropolitan area in the U.S. with over 6 million people.
The median income for a household in the city was $37,000, and the median income for a family was $40,000. Males had a median income of $32,000 versus $27,000 for females. The per capita income for the city was $20,000. Nineteen percent of the population and 16 percent of families were below the poverty line. Out of the total population, 26% of those under the age of 18 and 14% of those 65 and older were living below the poverty line.