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Illinois Valley Central Unit School District 321 Historical Age Data

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ACS 2010-2014 data

Total population: 13,507

Median Age (see rank)

Illinois Valley Central Unit School District 321	44.00 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Illinois Valley Central Unit School District 321	43.40 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Illinois Valley Central Unit School District 321	44.50 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Illinois Valley Central Unit School District 321	% of the Total Population	Illinois	U.S.
Under 5 years	766	5.67%, see rank	6.30%	6.36%
5 to 9 years	880	6.52%, see rank	6.58%	6.51%
10 to 14 years	615	4.55%, see rank	6.71%	6.59%
15 to 19 years	649	4.80%, see rank	6.94%	6.85%
20 to 24 years	763	5.65%, see rank	6.95%	7.13%
25 to 34 years	1,623	12.02%, see rank	13.84%	13.47%
35 to 44 years	1,662	12.30%, see rank	13.20%	12.96%
45 to 54 years	1,985	14.70%, see rank	14.17%	14.09%
55 to 64 years	2,266	16.78%, see rank	12.13%	12.29%
65 to 74 years	1,182	8.75%, see rank	7.18%	7.64%
75 to 84	782	5.79%, see rank	4.10%	4.25%
85 years and over	334	2.47%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 13,545

Median Age (see rank)

Illinois Valley Central Unit School District 321	42.20 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Illinois Valley Central Unit School District 321	40.80 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Illinois Valley Central Unit School District 321	43.50 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Illinois Valley Central Unit School District 321	% of the Total Population	Illinois	U.S.
Under 5 years	750	5.54%, see rank	6.51%	6.54%
5 to 9 years	881	6.50%, see rank	6.70%	6.59%
10 to 14 years	878	6.48%, see rank	6.85%	6.70%
15 to 19 years	959	7.08%, see rank	7.19%	7.14%
20 to 24 years	625	4.61%, see rank	6.85%	6.99%
25 to 34 years	1,468	10.84%, see rank	13.84%	13.30%
35 to 44 years	1,721	12.71%, see rank	13.45%	13.30%
45 to 54 years	2,087	15.41%, see rank	14.58%	14.58%
55 to 64 years	2,024	14.94%, see rank	11.48%	11.82%
65 to 74 years	1,180	8.71%, see rank	6.62%	7.03%
75 to 84	726	5.36%, see rank	4.09%	4.23%
85 years and over	246	1.82%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 13,630

Median Age (see rank)

Illinois Valley Central Unit School District 321	41.80 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Illinois Valley Central Unit School District 321	41.50 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Illinois Valley Central Unit School District 321	42.20 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Illinois Valley Central Unit School District 321	% of the Total Population	Illinois	U.S.
Under 5 years	1,011	7.42%, see rank	6.50%	6.51%
5 to 9 years	818	6.00%, see rank	6.68%	6.57%
10 to 14 years	753	5.52%, see rank	6.82%	6.68%
15 to 19 years	971	7.12%, see rank	7.16%	7.09%
20 to 24 years	621	4.56%, see rank	6.88%	7.04%
25 to 34 years	1,601	11.75%, see rank	13.84%	13.32%
35 to 44 years	1,596	11.71%, see rank	13.49%	13.34%
45 to 54 years	2,153	15.80%, see rank	14.46%	14.44%
55 to 64 years	2,254	16.54%, see rank	11.52%	11.84%
65 to 74 years	887	6.51%, see rank	6.71%	7.12%
75 to 84	664	4.87%, see rank	4.11%	4.25%
85 years and over	301	2.21%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 13,582

Median Age (see rank)

Illinois Valley Central Unit School District 321	40.70 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Illinois Valley Central Unit School District 321	40.00 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Illinois Valley Central Unit School District 321	41.00 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Illinois Valley Central Unit School District 321	% of the Total Population	Illinois	U.S.
Under 5 years	816	6.01%, see rank	6.63%	6.62%
5 to 9 years	948	6.98%, see rank	6.78%	6.62%
10 to 14 years	875	6.44%, see rank	6.94%	6.79%
15 to 19 years	981	7.22%, see rank	7.31%	7.28%
20 to 24 years	704	5.18%, see rank	6.86%	6.98%
25 to 34 years	1,557	11.46%, see rank	13.78%	13.22%
35 to 44 years	1,695	12.48%, see rank	13.96%	13.89%
45 to 54 years	2,138	15.74%, see rank	14.55%	14.57%
55 to 64 years	1,962	14.45%, see rank	10.89%	11.28%
65 to 74 years	996	7.33%, see rank	6.36%	6.74%
75 to 84	573	4.22%, see rank	4.17%	4.30%
85 years and over	337	2.48%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 11,870

Median Age (see rank)

Illinois Valley Central Unit School District 321	37.90 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Illinois Valley Central Unit School District 321	37.40 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Illinois Valley Central Unit School District 321	39.10 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Illinois Valley Central Unit School District 321	% of the Total Population	Illinois	U.S.
Under 5 years	816	6.87%, see rank	6.97%	6.92%
5 to 9 years	830	6.99%, see rank	6.76%	6.59%
10 to 14 years	872	7.35%, see rank	6.96%	6.83%
15 to 19 years	894	7.53%, see rank	7.24%	7.15%
20 to 24 years	547	4.61%, see rank	7.08%	7.02%
25 to 34 years	1,565	13.18%, see rank	13.73%	13.42%
35 to 44 years	1,579	13.30%, see rank	14.23%	14.18%
45 to 54 years	1,816	15.30%, see rank	14.47%	14.48%
55 to 64 years	1,360	11.46%, see rank	10.43%	10.81%
65 to 74 years	743	6.26%, see rank	6.21%	6.50%
75 to 84	579	4.88%, see rank	4.17%	4.40%
85 years and over	269	2.27%, 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.