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Dewitt County Historical Age Data

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ACS 2010-2014 data

Total population: 16,461

Median Age (see rank)

Dewitt County	42.40 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Dewitt County	41.10 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Dewitt County	44.60 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	948	5.76%, see rank	6.30%	6.36%
5 to 9 years	1,032	6.27%, see rank	6.58%	6.51%
10 to 14 years	1,014	6.16%, see rank	6.71%	6.59%
15 to 19 years	1,007	6.12%, see rank	6.94%	6.85%
20 to 24 years	830	5.04%, see rank	6.95%	7.13%
25 to 34 years	1,847	11.22%, see rank	13.84%	13.47%
35 to 44 years	2,026	12.31%, see rank	13.20%	12.96%
45 to 54 years	2,576	15.65%, see rank	14.17%	14.09%
55 to 64 years	2,329	14.15%, see rank	12.13%	12.29%
65 to 74 years	1,577	9.58%, see rank	7.18%	7.64%
75 to 84	904	5.49%, see rank	4.10%	4.25%
85 years and over	371	2.25%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 16,561

Median Age (see rank)

Dewitt County	41.70 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Dewitt County	40.50 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Dewitt County	43.00 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	960	5.80%, see rank	6.51%	6.54%
5 to 9 years	1,099	6.64%, see rank	6.70%	6.59%
10 to 14 years	1,062	6.41%, see rank	6.85%	6.70%
15 to 19 years	1,099	6.64%, see rank	7.19%	7.14%
20 to 24 years	775	4.68%, see rank	6.85%	6.99%
25 to 34 years	1,909	11.53%, see rank	13.84%	13.30%
35 to 44 years	2,127	12.84%, see rank	13.45%	13.30%
45 to 54 years	2,619	15.81%, see rank	14.58%	14.58%
55 to 64 years	2,143	12.94%, see rank	11.48%	11.82%
65 to 74 years	1,512	9.13%, see rank	6.62%	7.03%
75 to 84	867	5.24%, see rank	4.09%	4.23%
85 years and over	389	2.35%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 16,562

Median Age (see rank)

Dewitt County	42.00 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Dewitt County	40.00 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Dewitt County	44.40 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	909	5.49%, see rank	6.50%	6.51%
5 to 9 years	1,054	6.36%, see rank	6.68%	6.57%
10 to 14 years	1,050	6.34%, see rank	6.82%	6.68%
15 to 19 years	1,078	6.51%, see rank	7.16%	7.09%
20 to 24 years	835	5.04%, see rank	6.88%	7.04%
25 to 34 years	1,879	11.35%, see rank	13.84%	13.32%
35 to 44 years	2,086	12.60%, see rank	13.49%	13.34%
45 to 54 years	2,642	15.95%, see rank	14.46%	14.44%
55 to 64 years	2,199	13.28%, see rank	11.52%	11.84%
65 to 74 years	1,550	9.36%, see rank	6.71%	7.12%
75 to 84	935	5.65%, see rank	4.11%	4.25%
85 years and over	345	2.08%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 16,672

Median Age (see rank)

Dewitt County	41.40 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Dewitt County	38.90 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Dewitt County	43.00 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	1,025	6.15%, see rank	6.63%	6.62%
5 to 9 years	1,038	6.23%, see rank	6.78%	6.62%
10 to 14 years	1,088	6.53%, see rank	6.94%	6.79%
15 to 19 years	1,125	6.75%, see rank	7.31%	7.28%
20 to 24 years	856	5.13%, see rank	6.86%	6.98%
25 to 34 years	1,895	11.37%, see rank	13.78%	13.22%
35 to 44 years	2,222	13.33%, see rank	13.96%	13.89%
45 to 54 years	2,649	15.89%, see rank	14.55%	14.57%
55 to 64 years	2,065	12.39%, see rank	10.89%	11.28%
65 to 74 years	1,415	8.49%, see rank	6.36%	6.74%
75 to 84	1,019	6.11%, see rank	4.17%	4.30%
85 years and over	275	1.65%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 16,290

Median Age (see rank)

Dewitt County	40.90 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Dewitt County	38.40 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Dewitt County	42.10 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	1,055	6.48%, see rank	6.97%	6.92%
5 to 9 years	1,005	6.17%, see rank	6.76%	6.59%
10 to 14 years	1,108	6.80%, see rank	6.96%	6.83%
15 to 19 years	1,064	6.53%, see rank	7.24%	7.15%
20 to 24 years	951	5.84%, see rank	7.08%	7.02%
25 to 34 years	1,850	11.36%, see rank	13.73%	13.42%
35 to 44 years	2,200	13.51%, see rank	14.23%	14.18%
45 to 54 years	2,517	15.45%, see rank	14.47%	14.48%
55 to 64 years	1,950	11.97%, see rank	10.43%	10.81%
65 to 74 years	1,314	8.07%, see rank	6.21%	6.50%
75 to 84	957	5.87%, see rank	4.17%	4.40%
85 years and over	319	1.96%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 16,798

Median Age (see rank)

Dewitt County	38.50 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Dewitt County	37.10 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Dewitt County	39.80 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Dewitt County	% of the Total Population	Illinois	U.S.
Under 5 years	1,043	6.21%, see rank	7.06%	6.81%
5 to 9 years	1,167	6.95%, see rank	7.49%	7.30%
10 to 14 years	1,174	6.99%, see rank	7.29%	7.29%
15 to 19 years	1,164	6.93%, see rank	7.20%	7.18%
20 to 24 years	880	5.24%, see rank	6.85%	6.74%
25 to 34 years	2,071	12.33%, see rank	14.59%	14.18%
35 to 44 years	2,689	16.01%, see rank	15.97%	16.04%
45 to 54 years	2,215	13.19%, see rank	13.10%	13.39%
55 to 64 years	1,729	10.29%, see rank	8.38%	8.63%
65 to 74 years	1,296	7.72%, see rank	6.22%	6.54%
75 to 84	1,011	6.02%, see rank	4.31%	4.39%
85 years and over	359	2.14%, see rank	1.55%	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.