"Number of Population by Age and Gender, 2014: by County" ,Minnesota,Minnesota,Minnesota,Minnesota,Mahnomen County,Mahnomen County,Mahnomen County,Mahnomen County ,2014,2014,2014,2014,2014,2014,2014,2014 ,Female,Female,Male,Male,Female,Female,Male,Male ,Number,Percent,Number,Percent,Number,Percent,Number,Percent Age 18-24,"247,534",9%,"256,877",10%,223,8%,202,7% Age 25-44,"695,226",26%,"711,267",27%,562,21%,559,20% Age 45-64,"733,948",54%,"728,405",27%,672,51%,714,26% Age 65+,"407,814",15%,"322,568",12%,481,18%,410,15% All Ages,"2,709,307",50%,"2,674,354",50%,"2,715",49%,"2,771",51% Under 18,"624,785",23%,"655,237",25%,777,29%,886,32% Sources: "Annual County Resident Population Estimates by Age, Sex, Race and Hispanic Origin, U.S. Census Bureau" SUMN Web Site: http://sumn.org