楓樹谷(Maple Valley)位於美國華盛頓州金郡。2010年美國人口普查時人口為22,684人。 American FactFinder. United States Census Bureau. [2008-01-31]. US Board on Geographic Names. United
and Housing Occupancy: 2010 Census Redistricting Data, Maple township, Cowley County, Kansas. U.S. Census Bureau, American FactFinder 2. [2016-05-27]. (原始内容存档于2013-09-11)