 The per capita income for the city was $18,696.About 4.5% of families and 8.5% of the population were below the poverty line, including 9.3% of those under age 18 and 8.6% of those age 65 or over.In addition to road and highway connections, Sumner is also served by Sounder commuter rail which stops at the railroad station in downtown and directly connects Sumner with much of the Puget Sound region, including Seattle and Tacoma.