Quick Table P-1. Age Groups and Sex: 2000
Geographic Area: Chester County
 
[For information on confidentiality protection, nonsampling error, and definitions, see text]

  Number  Percent Males per
        
AgeBoth sexesMaleFemaleBoth sexesMaleFemale100 females

        
        Total population34,06816,36917,699100.0%100.0%100.0%92.5%
Under 5 years2,2941,2291,0656.7%7.5%6.0%115.4%
Under 1 year2,5851,3261,2597.6%8.1%7.1%105.3%
10 to 14 years2,7451,4041,3418.1%8.6%7.6%104.7%
15 to 19 years2,4731,2621,2117.3%7.7%6.8%104.2%
20 to 24 years1,9419241,0175.7%5.6%5.7%90.9%
25 to 29 years2,1771,0671,1106.4%6.5%6.3%96.1%
30 to 34 years2,2961,0891,2076.7%6.7%6.8%90.2%
35 to 39 years2,5771,2501,3277.6%7.6%7.5%94.2%
40 to 44 years2,5711,2261,3457.5%7.5%7.6%91.2%
45 to 49 years2,5191,2361,2837.4%7.6%7.2%96.3%
50 to 54 years2,2501,1211,1296.6%6.8%6.4%99.3%
55 to 59 years1,8899009895.5%5.5%5.6%91.0%
60 to 64 years1,4346437914.2%3.9%4.5%81.3%
65 to 69 years1,2725637093.7%3.4%4.0%79.4%
70 to 74 years1,0914776143.2%2.9%3.5%77.7%
75 to 79 years9463456012.8%2.1%3.4%57.4%
80 to 84 years5622053571.6%1.3%2.0%57.4%
85 to 89 years310762340.9%0.5%1.3%32.5%
90 years and over136261100.4%0.2%0.6%23.6%
        
Under 18 years9,1674,7424,42526.9%29.0%25.0%107.2%
18 to 64 years20,5849,93510,64960.4%60.7%60.2%93.3%
    18 to 24 years2,8711,4031,4688.4%8.6%8.3%95.6%
    25 to 44 years9,6214,6324,98928.2%28.3%28.2%92.8%
        25 to 34 years4,4732,1562,31713.1%13.2%13.1%93.1%
        35 to 44 years5,1482,4762,67215.1%15.1%15.1%92.7%
    45 to 64 years8,0923,9004,19223.8%23.8%23.7%93.0%
        45 to 54 years4,7692,3572,41214.0%14.4%13.6%97.7%
        55 to 64 years3,3231,5431,7809.8%9.4%10.1%86.7%
65 years and over4,3171,6922,62512.7%10.3%14.8%64.5%
    65 to 74 years2,3631,0401,3236.9%6.4%7.5%78.6%
    75 to 84 years1,5085509584.4%3.4%5.4%57.4%
    85 years and over4461023441.3%0.6%1.9%29.7%
        
16 years and over25,95312,14213,81176.2%74.2%78.0%87.9%
18 years and over24,90111,62713,27473.1%71.0%75.0%87.6%
21 years and over23,57810,95112,62769.2%66.9%71.3%86.7%
60 years and over5,7512,3353,41616.9%14.3%19.3%68.4%
62 years and over5,1452,0633,08215.1%12.6%17.4%66.9%
67 years and over3,7631,4392,32411.0%8.8%13.1%61.9%
75 years and over1,9546521,3025.7%4.0%7.4%50.1%
        
Median age (years)36.034.537.4(X)(X)(X)(X)

(X) Not Applicable
Source: U.S. Census Bureau, Census 2000 Summary File 1, Matrices P13 and PCT12.