The Houston Family Law Blog provides Houston, Texas Domestic Partnership News and Information and connects you with Texas family law attorneys. Pictured: The female teachers who have undermined their positions of trust by 'having sex with students in classrooms, at home and even in a school parking lot'. Demographic Data. The City of Houston’s population is *2,, The land of area of Houston is square miles. The Planning and Development Department uses information from the U.S. Census Bureau along with other agencies to develop demographic data and estimates for the City as well as City Council Districts and City .