2015 Age Distribution

 United States Oklahoma Canadian County
Estimated TotalPercent of the Total PopulationTotalPercent of the Total PopulationTotalPercent of the Total Population
All persons321,418,821(X)3,911,338(X)133,378(X)
Under 5 years19,793,8076.2%262,9516.70%8,8556.6%
5 to 9 years20,582,4736.4%271,8286.90%10,6908.0%
10 to 14 years20,627,3896.4%268,1076.90%9,7517.3%
15 to 19 years21,426,9126.7%269,9976.90%9,7757.3%
20 to 24 years22,541,0777.0%280,5927.20%7,0285.3%
25 to 34 years43,897,83213.7%535,95513.70%18,16713.6%
35 to 44 years40,804,13012.7%479,38312.30%19,46314.6%
45 to 54 years43,135,58013.4%481,74512.30%17,99913.5%
55 to 59 years21,590,7166.7%252,7926.50%8,7626.6%
60 to 64 years19,286,4256.0%231,9575.90%6,4254.8%
65 to 74 years27,587,2678.6%334,2598.50%10,1177.6%
75 to 84 years13,984,0464.4%175,2714.50%4,4323.3%
85 years and over6,161,1671.9%66,5011.70%1,9141.4%
       
18 years and over247,789,11177.1%2,950,24175.4%98,01073.5%
21 years and over234,350,85372.9%2,780,65971.1%93,02169.7%
62 years and over58,839,98918.3%709,43418.1%19,87914.9%
65 years and over47,732,48014.9%576,03114.7%16,46312.3%
       
Median age (years)38(X)36(X)36(X)
    
Cleveland CountyOklahoma CountyPottawatomie County
TotalPercent of Total PopulationTotalPercent of the Total PopulationTotalPercent of the Total Population
All persons274,458(X)776,864(X)71,875(X)
Under 5 years15,7525.7%61,4197.9%4,7946.7%
5 to 9 years18,3446.7%56,2557.2%4,8616.8%
10 to 14 years16,3456.0%52,7676.8%4,6366.5%
15 to 19 years21,0047.7%48,1976.2%5,2647.3%
20 to 24 years30,04710.9%54,2437.0%4,1767.2%
25 to 34 years40,15714.6%123,20815.9%8,71912.1%
35 to 44 years36,43513.3%97,62412.6%8,94012.4%
45 to 54 years31,74711.6%92,62311.9%9,12112.7%
55 to 59 years17,8436.5%49,2046.3%4,6986.5%
60 to 64 years12,8904.7%43,0405.5%4,1235.7%
65 to 74 years20,3877.4%56,5597.3%6,7799.4%
75 to 84 years10,7283.9%28,4693.7%3,7795.3%
85 years and over2,7791.0%13,2561.7%9851.4%
       
18 years and over213,63477.8%576,91074.3%54,42175.7%
21 years and over196,31871.5%548,33670.6%51,22671.3%
62 years and over41,76015.2%122,84815.8%13,77619.2%
65 years and over33,89412.3%98,28412.7%11,54316.1%
       
Median age (years)34(X)34(X)38(X)

Source: U.S. Census Bureau, 2015 American Community Survey 1-Year Estimates

Note- Information for Kingfisher, Lincoln, and Logan counties are not currently available