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Washington County Historical Age Data

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ACS 2010-2014 data

Total population: 14,527

Median Age (see rank)

Washington County	42.90 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Washington County	42.20 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Washington County	44.00 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	728	5.01%, see rank	6.30%	6.36%
5 to 9 years	1,006	6.93%, see rank	6.58%	6.51%
10 to 14 years	781	5.38%, see rank	6.71%	6.59%
15 to 19 years	898	6.18%, see rank	6.94%	6.85%
20 to 24 years	784	5.40%, see rank	6.95%	7.13%
25 to 34 years	1,644	11.32%, see rank	13.84%	13.47%
35 to 44 years	1,794	12.35%, see rank	13.20%	12.96%
45 to 54 years	2,261	15.56%, see rank	14.17%	14.09%
55 to 64 years	2,018	13.89%, see rank	12.13%	12.29%
65 to 74 years	1,369	9.42%, see rank	7.18%	7.64%
75 to 84	754	5.19%, see rank	4.10%	4.25%
85 years and over	490	3.37%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 14,716

Median Age (see rank)

Washington County	42.30 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Washington County	41.40 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

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

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	833	5.66%, see rank	6.51%	6.54%
5 to 9 years	906	6.16%, see rank	6.70%	6.59%
10 to 14 years	904	6.14%, see rank	6.85%	6.70%
15 to 19 years	981	6.67%, see rank	7.19%	7.14%
20 to 24 years	783	5.32%, see rank	6.85%	6.99%
25 to 34 years	1,666	11.32%, see rank	13.84%	13.30%
35 to 44 years	1,793	12.18%, see rank	13.45%	13.30%
45 to 54 years	2,432	16.53%, see rank	14.58%	14.58%
55 to 64 years	1,915	13.01%, see rank	11.48%	11.82%
65 to 74 years	1,278	8.68%, see rank	6.62%	7.03%
75 to 84	828	5.63%, see rank	4.09%	4.23%
85 years and over	397	2.70%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 14,692

Median Age (see rank)

Washington County	42.40 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Washington County	41.50 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Washington County	43.40 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	814	5.54%, see rank	6.50%	6.51%
5 to 9 years	966	6.58%, see rank	6.68%	6.57%
10 to 14 years	838	5.70%, see rank	6.82%	6.68%
15 to 19 years	977	6.65%, see rank	7.16%	7.09%
20 to 24 years	773	5.26%, see rank	6.88%	7.04%
25 to 34 years	1,647	11.21%, see rank	13.84%	13.32%
35 to 44 years	1,846	12.56%, see rank	13.49%	13.34%
45 to 54 years	2,383	16.22%, see rank	14.46%	14.44%
55 to 64 years	1,904	12.96%, see rank	11.52%	11.84%
65 to 74 years	1,310	8.92%, see rank	6.71%	7.12%
75 to 84	804	5.47%, see rank	4.11%	4.25%
85 years and over	430	2.93%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 14,841

Median Age (see rank)

Washington County	41.80 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Washington County	40.90 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Washington County	42.50 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	818	5.51%, see rank	6.63%	6.62%
5 to 9 years	916	6.17%, see rank	6.78%	6.62%
10 to 14 years	913	6.15%, see rank	6.94%	6.79%
15 to 19 years	1,046	7.05%, see rank	7.31%	7.28%
20 to 24 years	804	5.42%, see rank	6.86%	6.98%
25 to 34 years	1,632	11.00%, see rank	13.78%	13.22%
35 to 44 years	1,970	13.27%, see rank	13.96%	13.89%
45 to 54 years	2,458	16.56%, see rank	14.55%	14.57%
55 to 64 years	1,777	11.97%, see rank	10.89%	11.28%
65 to 74 years	1,248	8.41%, see rank	6.36%	6.74%
75 to 84	779	5.25%, see rank	4.17%	4.30%
85 years and over	480	3.23%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 14,725

Median Age (see rank)

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

Median Age, Male (see rank)

Washington County	40.10 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Washington County	41.90 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	864	5.87%, see rank	6.97%	6.92%
5 to 9 years	851	5.78%, see rank	6.76%	6.59%
10 to 14 years	945	6.42%, see rank	6.96%	6.83%
15 to 19 years	1,076	7.31%, see rank	7.24%	7.15%
20 to 24 years	880	5.98%, see rank	7.08%	7.02%
25 to 34 years	1,562	10.61%, see rank	13.73%	13.42%
35 to 44 years	2,011	13.66%, see rank	14.23%	14.18%
45 to 54 years	2,467	16.75%, see rank	14.47%	14.48%
55 to 64 years	1,704	11.57%, see rank	10.43%	10.81%
65 to 74 years	1,177	7.99%, see rank	6.21%	6.50%
75 to 84	738	5.01%, see rank	4.17%	4.40%
85 years and over	450	3.06%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 15,148

Median Age (see rank)

Washington County	38.80 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Washington County	38.00 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Washington County	39.70 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Washington County	% of the Total Population	Illinois	U.S.
Under 5 years	857	5.66%, see rank	7.06%	6.81%
5 to 9 years	1,025	6.77%, see rank	7.49%	7.30%
10 to 14 years	1,212	8.00%, see rank	7.29%	7.29%
15 to 19 years	1,161	7.66%, see rank	7.20%	7.18%
20 to 24 years	732	4.83%, see rank	6.85%	6.74%
25 to 34 years	1,702	11.24%, see rank	14.59%	14.18%
35 to 44 years	2,437	16.09%, see rank	15.97%	16.04%
45 to 54 years	2,024	13.36%, see rank	13.10%	13.39%
55 to 64 years	1,461	9.64%, see rank	8.38%	8.63%
65 to 74 years	1,196	7.90%, see rank	6.22%	6.54%
75 to 84	987	6.52%, see rank	4.31%	4.39%
85 years and over	354	2.34%, 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.