"Number of Population by Age and Gender, 2014: by County" ,Minnesota,Minnesota,Minnesota,Minnesota,Pennington County,Pennington County,Pennington County,Pennington 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%,591,8%,653,9% Age 25-44,"695,226",26%,"711,267",27%,"1,710",24%,"1,848",26% Age 45-64,"733,948",54%,"728,405",27%,"1,867",53%,"1,851",27% Age 65+,"407,814",15%,"322,568",12%,"1,291",18%,928,13% All Ages,"2,709,307",50%,"2,674,354",50%,"7,067",50%,"6,974",50% Under 18,"624,785",23%,"655,237",25%,"1,608",23%,"1,694",24% Sources: "Annual County Resident Population Estimates by Age, Sex, Race and Hispanic Origin, U.S. Census Bureau" SUMN Web Site: http://sumn.org