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Jefferson County Historical Age Data

 

ACS 2010-2014 data

Total population: 38,716

Median Age (see rank)
Jefferson County
40.90 years old
Illinois
37.00 years old
U.S.
37.40 years old

Median Age, Male (see rank)
Jefferson County
39.20 years old
Illinois
35.70 years old
U.S.
36.10 years old

Median Age, Female (see rank)
Jefferson County
43.10 years old
Illinois
38.40 years old
U.S.
38.80 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,4286.27%, see rank6.30%6.36%
5 to 9 years2,2875.91%, see rank6.58%6.51%
10 to 14 years2,3336.03%, see rank6.71%6.59%
15 to 19 years2,3466.06%, see rank6.94%6.85%
20 to 24 years2,3696.12%, see rank6.95%7.13%
25 to 34 years4,82512.46%, see rank13.84%13.47%
35 to 44 years4,75512.28%, see rank13.20%12.96%
45 to 54 years5,62414.53%, see rank14.17%14.09%
55 to 64 years5,22513.50%, see rank12.13%12.29%
65 to 74 years3,5189.09%, see rank7.18%7.64%
75 to 84 2,1205.48%, see rank4.10%4.25%
85 years and over8862.29%, see rank1.90%1.85%

US Census 2010 data

Total population: 38,827

Median Age (see rank)
Jefferson County
40.60 years old
Illinois
36.60 years old
U.S.
37.20 years old

Median Age, Male (see rank)
Jefferson County
39.00 years old
Illinois
35.20 years old
U.S.
35.80 years old

Median Age, Female (see rank)
Jefferson County
42.30 years old
Illinois
37.90 years old
U.S.
38.50 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,4346.27%, see rank6.51%6.54%
5 to 9 years2,3055.94%, see rank6.70%6.59%
10 to 14 years2,3696.10%, see rank6.85%6.70%
15 to 19 years2,5516.57%, see rank7.19%7.14%
20 to 24 years2,2485.79%, see rank6.85%6.99%
25 to 34 years4,79412.35%, see rank13.84%13.30%
35 to 44 years4,97712.82%, see rank13.45%13.30%
45 to 54 years5,65414.56%, see rank14.58%14.58%
55 to 64 years5,20713.41%, see rank11.48%11.82%
65 to 74 years3,3568.64%, see rank6.62%7.03%
75 to 84 1,9405.00%, see rank4.09%4.23%
85 years and over9922.55%, see rank1.83%1.78%

ACS 2008-2012 data

Total population: 38,908

Median Age (see rank)
Jefferson County
40.50 years old
Illinois
36.60 years old
U.S.
37.20 years old

Median Age, Male (see rank)
Jefferson County
38.90 years old
Illinois
35.30 years old
U.S.
35.80 years old

Median Age, Female (see rank)
Jefferson County
42.50 years old
Illinois
38.00 years old
U.S.
38.50 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,3916.15%, see rank6.50%6.51%
5 to 9 years2,3916.15%, see rank6.68%6.57%
10 to 14 years2,3285.98%, see rank6.82%6.68%
15 to 19 years2,5336.51%, see rank7.16%7.09%
20 to 24 years2,2785.85%, see rank6.88%7.04%
25 to 34 years4,70112.08%, see rank13.84%13.32%
35 to 44 years5,01212.88%, see rank13.49%13.34%
45 to 54 years5,76314.81%, see rank14.46%14.44%
55 to 64 years5,15013.24%, see rank11.52%11.84%
65 to 74 years3,3688.66%, see rank6.71%7.12%
75 to 84 1,9404.99%, see rank4.11%4.25%
85 years and over1,0532.71%, see rank1.83%1.78%

ACS 2006-2010 data

Total population: 39,202

Median Age (see rank)
Jefferson County
40.30 years old
Illinois
36.20 years old
U.S.
36.90 years old

Median Age, Male (see rank)
Jefferson County
38.70 years old
Illinois
34.90 years old
U.S.
35.60 years old

Median Age, Female (see rank)
Jefferson County
42.10 years old
Illinois
37.60 years old
U.S.
38.10 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,4226.18%, see rank6.63%6.62%
5 to 9 years2,3666.04%, see rank6.78%6.62%
10 to 14 years2,4446.23%, see rank6.94%6.79%
15 to 19 years2,7056.90%, see rank7.31%7.28%
20 to 24 years2,2905.84%, see rank6.86%6.98%
25 to 34 years4,71112.02%, see rank13.78%13.22%
35 to 44 years5,20213.27%, see rank13.96%13.89%
45 to 54 years5,91515.09%, see rank14.55%14.57%
55 to 64 years4,95912.65%, see rank10.89%11.28%
65 to 74 years3,2508.29%, see rank6.36%6.74%
75 to 84 1,9905.08%, see rank4.17%4.30%
85 years and over9482.42%, see rank1.77%1.70%

ACS 2005-2009 data

Total population: 40,063

Median Age (see rank)
Jefferson County
40.10 years old
Illinois
35.90 years old
U.S.
36.50 years old

Median Age, Male (see rank)
Jefferson County
38.20 years old
Illinois
34.60 years old
U.S.
35.20 years old

Median Age, Female (see rank)
Jefferson County
42.20 years old
Illinois
37.20 years old
U.S.
37.90 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,3515.87%, see rank6.97%6.92%
5 to 9 years2,2675.66%, see rank6.76%6.59%
10 to 14 years2,5726.42%, see rank6.96%6.83%
15 to 19 years2,6716.67%, see rank7.24%7.15%
20 to 24 years2,5766.43%, see rank7.08%7.02%
25 to 34 years5,04812.60%, see rank13.73%13.42%
35 to 44 years5,42413.54%, see rank14.23%14.18%
45 to 54 years6,03215.06%, see rank14.47%14.48%
55 to 64 years4,83612.07%, see rank10.43%10.81%
65 to 74 years3,1937.97%, see rank6.21%6.50%
75 to 84 2,0505.12%, see rank4.17%4.40%
85 years and over1,0432.60%, see rank1.74%1.71%

US Census 2000 data

Total population: 40,045

Median Age (see rank)
Jefferson County
37.60 years old
Illinois
34.70 years old
U.S.
35.30 years old

Median Age, Male (see rank)
Jefferson County
35.90 years old
Illinois
33.30 years old
U.S.
34.00 years old

Median Age, Female (see rank)
Jefferson County
39.60 years old
Illinois
36.00 years old
U.S.
36.50 years old

 Jefferson County% of the Total PopulationIllinoisU.S.
Under 5 years2,3445.85%, see rank7.06%6.81%
5 to 9 years2,7186.79%, see rank7.49%7.30%
10 to 14 years2,9457.35%, see rank7.29%7.29%
15 to 19 years2,7886.96%, see rank7.20%7.18%
20 to 24 years2,4166.03%, see rank6.85%6.74%
25 to 34 years5,24513.10%, see rank14.59%14.18%
35 to 44 years6,12915.31%, see rank15.97%16.04%
45 to 54 years5,52313.79%, see rank13.10%13.39%
55 to 64 years3,8079.51%, see rank8.38%8.63%
65 to 74 years2,9517.37%, see rank6.22%6.54%
75 to 84 2,3415.85%, see rank4.31%4.39%
85 years and over8382.09%, see rank1.55%1.51%

* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.


 
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