 About 6.1% of families and 12.1% of the population were below the poverty line, including 9.7% of those under age 18 and 4.2% of those age 65 or over.Denison is governed by a mayor and a five-member city council

The Denison Mayor is the chief executive officer of the city and presiding officer of the city council.The Denison Mayor serves a 2-year term.