Portland is a city in Nueces and San Patricio Counties in the U.S. state of Texas. Portland is governed by a unicameral legislation body headed by the mayor and six council members. The terms of office are two years for both the mayor and council members. The current mayor and city manager are David Krebs and Mike Tanner. The population was 14,827 at the 2000 census, with a 2007 estimated population of 16,408.