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Clark County Historical Age Data

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ACS 2010-2014 data

Total population: 16,240

Median Age (see rank)

Clark County	43.30 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Clark County	41.90 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

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

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	968	5.96%, see rank	6.30%	6.36%
5 to 9 years	1,072	6.60%, see rank	6.58%	6.51%
10 to 14 years	1,062	6.54%, see rank	6.71%	6.59%
15 to 19 years	1,014	6.24%, see rank	6.94%	6.85%
20 to 24 years	873	5.38%, see rank	6.95%	7.13%
25 to 34 years	1,774	10.92%, see rank	13.84%	13.47%
35 to 44 years	1,905	11.73%, see rank	13.20%	12.96%
45 to 54 years	2,446	15.06%, see rank	14.17%	14.09%
55 to 64 years	2,180	13.42%, see rank	12.13%	12.29%
65 to 74 years	1,559	9.60%, see rank	7.18%	7.64%
75 to 84	853	5.25%, see rank	4.10%	4.25%
85 years and over	534	3.29%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 16,335

Median Age (see rank)

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

Median Age, Male (see rank)

Clark County	41.00 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Clark County	43.50 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	929	5.69%, see rank	6.51%	6.54%
5 to 9 years	1,025	6.27%, see rank	6.70%	6.59%
10 to 14 years	1,069	6.54%, see rank	6.85%	6.70%
15 to 19 years	1,085	6.64%, see rank	7.19%	7.14%
20 to 24 years	866	5.30%, see rank	6.85%	6.99%
25 to 34 years	1,750	10.71%, see rank	13.84%	13.30%
35 to 44 years	2,053	12.57%, see rank	13.45%	13.30%
45 to 54 years	2,540	15.55%, see rank	14.58%	14.58%
55 to 64 years	2,072	12.68%, see rank	11.48%	11.82%
65 to 74 years	1,542	9.44%, see rank	6.62%	7.03%
75 to 84	937	5.74%, see rank	4.09%	4.23%
85 years and over	467	2.86%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 16,353

Median Age (see rank)

Clark County	42.80 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Clark County	41.30 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Clark County	43.80 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	915	5.60%, see rank	6.50%	6.51%
5 to 9 years	1,058	6.47%, see rank	6.68%	6.57%
10 to 14 years	1,087	6.65%, see rank	6.82%	6.68%
15 to 19 years	1,083	6.62%, see rank	7.16%	7.09%
20 to 24 years	844	5.16%, see rank	6.88%	7.04%
25 to 34 years	1,748	10.69%, see rank	13.84%	13.32%
35 to 44 years	2,056	12.57%, see rank	13.49%	13.34%
45 to 54 years	2,530	15.47%, see rank	14.46%	14.44%
55 to 64 years	2,086	12.76%, see rank	11.52%	11.84%
65 to 74 years	1,521	9.30%, see rank	6.71%	7.12%
75 to 84	943	5.77%, see rank	4.11%	4.25%
85 years and over	482	2.95%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 16,545

Median Age (see rank)

Clark County	41.60 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Clark County	39.90 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Clark County	42.90 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	952	5.75%, see rank	6.63%	6.62%
5 to 9 years	1,068	6.46%, see rank	6.78%	6.62%
10 to 14 years	1,127	6.81%, see rank	6.94%	6.79%
15 to 19 years	1,132	6.84%, see rank	7.31%	7.28%
20 to 24 years	862	5.21%, see rank	6.86%	6.98%
25 to 34 years	1,730	10.46%, see rank	13.78%	13.22%
35 to 44 years	2,205	13.33%, see rank	13.96%	13.89%
45 to 54 years	2,495	15.08%, see rank	14.55%	14.57%
55 to 64 years	2,020	12.21%, see rank	10.89%	11.28%
65 to 74 years	1,503	9.08%, see rank	6.36%	6.74%
75 to 84	949	5.74%, see rank	4.17%	4.30%
85 years and over	502	3.03%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 16,778

Median Age (see rank)

Clark County	40.70 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Clark County	38.90 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Clark County	42.40 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	960	5.72%, see rank	6.97%	6.92%
5 to 9 years	1,043	6.22%, see rank	6.76%	6.59%
10 to 14 years	1,147	6.84%, see rank	6.96%	6.83%
15 to 19 years	1,138	6.78%, see rank	7.24%	7.15%
20 to 24 years	895	5.33%, see rank	7.08%	7.02%
25 to 34 years	1,769	10.54%, see rank	13.73%	13.42%
35 to 44 years	2,317	13.81%, see rank	14.23%	14.18%
45 to 54 years	2,502	14.91%, see rank	14.47%	14.48%
55 to 64 years	2,022	12.05%, see rank	10.43%	10.81%
65 to 74 years	1,445	8.61%, see rank	6.21%	6.50%
75 to 84	1,010	6.02%, see rank	4.17%	4.40%
85 years and over	530	3.16%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 17,008

Median Age (see rank)

Clark County	39.20 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Clark County	37.60 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Clark County	40.80 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Clark County	% of the Total Population	Illinois	U.S.
Under 5 years	1,020	6.00%, see rank	7.06%	6.81%
5 to 9 years	1,227	7.21%, see rank	7.49%	7.30%
10 to 14 years	1,219	7.17%, see rank	7.29%	7.29%
15 to 19 years	1,194	7.02%, see rank	7.20%	7.18%
20 to 24 years	836	4.92%, see rank	6.85%	6.74%
25 to 34 years	1,935	11.38%, see rank	14.59%	14.18%
35 to 44 years	2,588	15.22%, see rank	15.97%	16.04%
45 to 54 years	2,195	12.91%, see rank	13.10%	13.39%
55 to 64 years	1,733	10.19%, see rank	8.38%	8.63%
65 to 74 years	1,464	8.61%, see rank	6.22%	6.54%
75 to 84	1,129	6.64%, see rank	4.31%	4.39%
85 years and over	468	2.75%, 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.