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Decatur Metro Area Historical Age Data

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ACS 2010-2014 data

Total population: 109,833

Median Age (see rank)

Decatur Area	40.50 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Decatur Area	39.10 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Decatur Area	41.70 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Decatur Area	% of the Total Population	Illinois	U.S.
Under 5 years	6,798	6.19%, see rank	6.30%	6.36%
5 to 9 years	7,326	6.67%, see rank	6.58%	6.51%
10 to 14 years	6,466	5.89%, see rank	6.71%	6.59%
15 to 19 years	7,186	6.54%, see rank	6.94%	6.85%
20 to 24 years	7,346	6.69%, see rank	6.95%	7.13%
25 to 34 years	12,864	11.71%, see rank	13.84%	13.47%
35 to 44 years	12,604	11.48%, see rank	13.20%	12.96%
45 to 54 years	15,052	13.70%, see rank	14.17%	14.09%
55 to 64 years	15,503	14.12%, see rank	12.13%	12.29%
65 to 74 years	9,671	8.81%, see rank	7.18%	7.64%
75 to 84	6,236	5.68%, see rank	4.10%	4.25%
85 years and over	2,781	2.53%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 110,768

Median Age (see rank)

Decatur Area	40.30 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Decatur Area	39.20 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Decatur Area	41.40 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Decatur Area	% of the Total Population	Illinois	U.S.
Under 5 years	6,936	6.26%, see rank	6.51%	6.54%
5 to 9 years	6,876	6.21%, see rank	6.70%	6.59%
10 to 14 years	6,970	6.29%, see rank	6.85%	6.70%
15 to 19 years	7,774	7.02%, see rank	7.19%	7.14%
20 to 24 years	7,080	6.39%, see rank	6.85%	6.99%
25 to 34 years	12,988	11.73%, see rank	13.84%	13.30%
35 to 44 years	12,795	11.55%, see rank	13.45%	13.30%
45 to 54 years	16,297	14.71%, see rank	14.58%	14.58%
55 to 64 years	14,910	13.46%, see rank	11.48%	11.82%
65 to 74 years	9,079	8.20%, see rank	6.62%	7.03%
75 to 84	6,222	5.62%, see rank	4.09%	4.23%
85 years and over	2,841	2.56%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 110,558

Median Age (see rank)

Decatur Area	40.40 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Decatur Area	39.10 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Decatur Area	41.90 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Decatur Area	% of the Total Population	Illinois	U.S.
Under 5 years	7,052	6.38%, see rank	6.50%	6.51%
5 to 9 years	7,308	6.61%, see rank	6.68%	6.57%
10 to 14 years	6,385	5.78%, see rank	6.82%	6.68%
15 to 19 years	7,561	6.84%, see rank	7.16%	7.09%
20 to 24 years	7,182	6.50%, see rank	6.88%	7.04%
25 to 34 years	12,932	11.70%, see rank	13.84%	13.32%
35 to 44 years	12,840	11.61%, see rank	13.49%	13.34%
45 to 54 years	16,110	14.57%, see rank	14.46%	14.44%
55 to 64 years	14,965	13.54%, see rank	11.52%	11.84%
65 to 74 years	9,145	8.27%, see rank	6.71%	7.12%
75 to 84	6,281	5.68%, see rank	4.11%	4.25%
85 years and over	2,797	2.53%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 110,719

Median Age (see rank)

Decatur Area	40.50 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Decatur Area	39.00 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Decatur Area	41.80 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Decatur Area	% of the Total Population	Illinois	U.S.
Under 5 years	6,875	6.21%, see rank	6.63%	6.62%
5 to 9 years	7,583	6.85%, see rank	6.78%	6.62%
10 to 14 years	6,380	5.76%, see rank	6.94%	6.79%
15 to 19 years	7,956	7.19%, see rank	7.31%	7.28%
20 to 24 years	6,952	6.28%, see rank	6.86%	6.98%
25 to 34 years	12,895	11.65%, see rank	13.78%	13.22%
35 to 44 years	13,181	11.90%, see rank	13.96%	13.89%
45 to 54 years	16,850	15.22%, see rank	14.55%	14.57%
55 to 64 years	14,181	12.81%, see rank	10.89%	11.28%
65 to 74 years	8,829	7.97%, see rank	6.36%	6.74%
75 to 84	6,314	5.70%, see rank	4.17%	4.30%
85 years and over	2,723	2.46%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 108,772

Median Age (see rank)

Decatur Area	39.70 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Decatur Area	38.20 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Decatur Area	41.20 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Decatur Area	% of the Total Population	Illinois	U.S.
Under 5 years	6,903	6.35%, see rank	6.97%	6.92%
5 to 9 years	6,964	6.40%, see rank	6.76%	6.59%
10 to 14 years	6,749	6.20%, see rank	6.96%	6.83%
15 to 19 years	7,707	7.09%, see rank	7.24%	7.15%
20 to 24 years	7,233	6.65%, see rank	7.08%	7.02%
25 to 34 years	12,943	11.90%, see rank	13.73%	13.42%
35 to 44 years	12,985	11.94%, see rank	14.23%	14.18%
45 to 54 years	16,458	15.13%, see rank	14.47%	14.48%
55 to 64 years	13,484	12.40%, see rank	10.43%	10.81%
65 to 74 years	8,558	7.87%, see rank	6.21%	6.50%
75 to 84	6,065	5.58%, see rank	4.17%	4.40%
85 years and over	2,723	2.50%, see rank	1.74%	1.71%

* 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.