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Douglas County Historical Age Data

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ACS 2010-2014 data

Total population: 19,867

Median Age (see rank)

Douglas County	38.30 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Douglas County	37.40 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Douglas County	39.40 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,344	6.76%, see rank	6.30%	6.36%
5 to 9 years	1,323	6.66%, see rank	6.58%	6.51%
10 to 14 years	1,574	7.92%, see rank	6.71%	6.59%
15 to 19 years	1,290	6.49%, see rank	6.94%	6.85%
20 to 24 years	1,147	5.77%, see rank	6.95%	7.13%
25 to 34 years	2,373	11.94%, see rank	13.84%	13.47%
35 to 44 years	2,383	11.99%, see rank	13.20%	12.96%
45 to 54 years	2,700	13.59%, see rank	14.17%	14.09%
55 to 64 years	2,563	12.90%, see rank	12.13%	12.29%
65 to 74 years	1,596	8.03%, see rank	7.18%	7.64%
75 to 84	1,024	5.15%, see rank	4.10%	4.25%
85 years and over	550	2.77%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 19,980

Median Age (see rank)

Douglas County	38.70 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Douglas County	37.00 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Douglas County	40.20 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,407	7.04%, see rank	6.51%	6.54%
5 to 9 years	1,513	7.57%, see rank	6.70%	6.59%
10 to 14 years	1,429	7.15%, see rank	6.85%	6.70%
15 to 19 years	1,268	6.35%, see rank	7.19%	7.14%
20 to 24 years	1,133	5.67%, see rank	6.85%	6.99%
25 to 34 years	2,396	11.99%, see rank	13.84%	13.30%
35 to 44 years	2,332	11.67%, see rank	13.45%	13.30%
45 to 54 years	2,924	14.63%, see rank	14.58%	14.58%
55 to 64 years	2,424	12.13%, see rank	11.48%	11.82%
65 to 74 years	1,577	7.89%, see rank	6.62%	7.03%
75 to 84	1,112	5.57%, see rank	4.09%	4.23%
85 years and over	465	2.33%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 19,908

Median Age (see rank)

Douglas County	38.30 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Douglas County	36.90 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Douglas County	39.40 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,386	6.96%, see rank	6.50%	6.51%
5 to 9 years	1,301	6.54%, see rank	6.68%	6.57%
10 to 14 years	1,592	8.00%, see rank	6.82%	6.68%
15 to 19 years	1,295	6.50%, see rank	7.16%	7.09%
20 to 24 years	1,124	5.65%, see rank	6.88%	7.04%
25 to 34 years	2,450	12.31%, see rank	13.84%	13.32%
35 to 44 years	2,439	12.25%, see rank	13.49%	13.34%
45 to 54 years	2,818	14.16%, see rank	14.46%	14.44%
55 to 64 years	2,376	11.93%, see rank	11.52%	11.84%
65 to 74 years	1,549	7.78%, see rank	6.71%	7.12%
75 to 84	991	4.98%, see rank	4.11%	4.25%
85 years and over	587	2.95%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 20,012

Median Age (see rank)

Douglas County	37.60 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Douglas County	36.40 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Douglas County	38.70 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,481	7.40%, see rank	6.63%	6.62%
5 to 9 years	1,274	6.37%, see rank	6.78%	6.62%
10 to 14 years	1,654	8.27%, see rank	6.94%	6.79%
15 to 19 years	1,357	6.78%, see rank	7.31%	7.28%
20 to 24 years	1,215	6.07%, see rank	6.86%	6.98%
25 to 34 years	2,373	11.86%, see rank	13.78%	13.22%
35 to 44 years	2,489	12.44%, see rank	13.96%	13.89%
45 to 54 years	2,838	14.18%, see rank	14.55%	14.57%
55 to 64 years	2,234	11.16%, see rank	10.89%	11.28%
65 to 74 years	1,540	7.70%, see rank	6.36%	6.74%
75 to 84	925	4.62%, see rank	4.17%	4.30%
85 years and over	632	3.16%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 19,436

Median Age (see rank)

Douglas County	38.10 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Douglas County	36.60 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Douglas County	39.20 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,501	7.72%, see rank	6.97%	6.92%
5 to 9 years	1,204	6.19%, see rank	6.76%	6.59%
10 to 14 years	1,554	8.00%, see rank	6.96%	6.83%
15 to 19 years	1,293	6.65%, see rank	7.24%	7.15%
20 to 24 years	1,242	6.39%, see rank	7.08%	7.02%
25 to 34 years	2,150	11.06%, see rank	13.73%	13.42%
35 to 44 years	2,514	12.93%, see rank	14.23%	14.18%
45 to 54 years	2,808	14.45%, see rank	14.47%	14.48%
55 to 64 years	2,115	10.88%, see rank	10.43%	10.81%
65 to 74 years	1,534	7.89%, see rank	6.21%	6.50%
75 to 84	986	5.07%, see rank	4.17%	4.40%
85 years and over	535	2.75%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 19,922

Median Age (see rank)

Douglas County	37.40 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Douglas County	36.00 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Douglas County	38.80 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Douglas County	% of the Total Population	Illinois	U.S.
Under 5 years	1,379	6.92%, see rank	7.06%	6.81%
5 to 9 years	1,384	6.95%, see rank	7.49%	7.30%
10 to 14 years	1,604	8.05%, see rank	7.29%	7.29%
15 to 19 years	1,518	7.62%, see rank	7.20%	7.18%
20 to 24 years	1,106	5.55%, see rank	6.85%	6.74%
25 to 34 years	2,272	11.40%, see rank	14.59%	14.18%
35 to 44 years	3,073	15.43%, see rank	15.97%	16.04%
45 to 54 years	2,533	12.71%, see rank	13.10%	13.39%
55 to 64 years	1,873	9.40%, see rank	8.38%	8.63%
65 to 74 years	1,618	8.12%, see rank	6.22%	6.54%
75 to 84	1,151	5.78%, see rank	4.31%	4.39%
85 years and over	411	2.06%, 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.