| City of Houston Population� | |||
| Census Data and Estimates: 1980 to 2005 | |||
| Year | Sources | As of (Date) | Population |
| 1980 | U.S. Census Bureau | April 1 | 1,595,138 |
| 1990 | U.S. Census Bureau | April 1 | 1,631,766 |
| 1991 | Texas State Data Center | July 1 | 1,657,504 |
| 1992 | Texas State Data Center | July 1 | 1,679,421 |
| 1993 | Texas State Data Center | July 1 | 1,700,672 |
| 1994 | Texas State Data Center | July 1 | 1,721,225 |
| 1995 | Texas State Data Center | July 1 | 1,741,257 |
| 1996 | Texas State Data Center | July 1 | 1,761,754 |
| 1997 | Texas State Data Center | July 1 | 1,828,544 |
| 1998 | Texas State Data Center | July 1 | 1,861,705 |
| 1999 | Texas State Data Center | July 1 | 1,887,772 |
| 2000 | U.S. Census Bureau | April 1 | 1,953,631 |
| 2001 | Texas State Data Center | July 1 | 1,972,083 |
| 2002 | Texas State Data Center | July 1 | 2,006,963 |
| 2003 | Texas State Data Center | Jan 1 | 2,025,746 |
| 2004 | Texas State Data Center | July 1 | 2,040,645 |
| 2005 | Texas State Data Center | Jan 1 | 2,050,756 |
| Sources: U.S. Census Bureau | |||
| ������������� Texas State Data Center | |||
| 01/06 | |||