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Belvidere, IL Historical Age Data

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ACS 2010-2014 data

Total population: 25,713

Median Age (see rank)

Belvidere, IL	34.60 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Belvidere, IL	32.90 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Belvidere, IL	35.70 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,494	5.81%, see rank	6.30%	6.36%
5 to 9 years	2,142	8.33%, see rank	6.58%	6.51%
10 to 14 years	2,395	9.31%, see rank	6.71%	6.59%
15 to 19 years	2,229	8.67%, see rank	6.94%	6.85%
20 to 24 years	1,723	6.70%, see rank	6.95%	7.13%
25 to 34 years	3,055	11.88%, see rank	13.84%	13.47%
35 to 44 years	4,029	15.67%, see rank	13.20%	12.96%
45 to 54 years	3,293	12.81%, see rank	14.17%	14.09%
55 to 64 years	2,476	9.63%, see rank	12.13%	12.29%
65 to 74 years	1,579	6.14%, see rank	7.18%	7.64%
75 to 84	990	3.85%, see rank	4.10%	4.25%
85 years and over	308	1.20%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 25,585

Median Age (see rank)

Belvidere, IL	33.60 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Belvidere, IL	32.50 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Belvidere, IL	34.70 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	2,007	7.84%, see rank	6.51%	6.54%
5 to 9 years	2,120	8.29%, see rank	6.70%	6.59%
10 to 14 years	2,217	8.67%, see rank	6.85%	6.70%
15 to 19 years	2,115	8.27%, see rank	7.19%	7.14%
20 to 24 years	1,557	6.09%, see rank	6.85%	6.99%
25 to 34 years	3,268	12.77%, see rank	13.84%	13.30%
35 to 44 years	3,754	14.67%, see rank	13.45%	13.30%
45 to 54 years	3,275	12.80%, see rank	14.58%	14.58%
55 to 64 years	2,236	8.74%, see rank	11.48%	11.82%
65 to 74 years	1,616	6.32%, see rank	6.62%	7.03%
75 to 84	1,025	4.01%, see rank	4.09%	4.23%
85 years and over	395	1.54%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 25,544

Median Age (see rank)

Belvidere, IL	33.40 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Belvidere, IL	31.30 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Belvidere, IL	34.80 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,906	7.46%, see rank	6.50%	6.51%
5 to 9 years	2,077	8.13%, see rank	6.68%	6.57%
10 to 14 years	2,352	9.21%, see rank	6.82%	6.68%
15 to 19 years	2,051	8.03%, see rank	7.16%	7.09%
20 to 24 years	1,741	6.82%, see rank	6.88%	7.04%
25 to 34 years	3,365	13.17%, see rank	13.84%	13.32%
35 to 44 years	3,626	14.20%, see rank	13.49%	13.34%
45 to 54 years	3,148	12.32%, see rank	14.46%	14.44%
55 to 64 years	2,323	9.09%, see rank	11.52%	11.84%
65 to 74 years	1,638	6.41%, see rank	6.71%	7.12%
75 to 84	1,026	4.02%, see rank	4.11%	4.25%
85 years and over	291	1.14%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 25,303

Median Age (see rank)

Belvidere, IL	32.00 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Belvidere, IL	30.50 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Belvidere, IL	34.50 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	2,304	9.11%, see rank	6.63%	6.62%
5 to 9 years	2,116	8.36%, see rank	6.78%	6.62%
10 to 14 years	2,279	9.01%, see rank	6.94%	6.79%
15 to 19 years	1,872	7.40%, see rank	7.31%	7.28%
20 to 24 years	1,555	6.15%, see rank	6.86%	6.98%
25 to 34 years	3,547	14.02%, see rank	13.78%	13.22%
35 to 44 years	3,978	15.72%, see rank	13.96%	13.89%
45 to 54 years	2,910	11.50%, see rank	14.55%	14.57%
55 to 64 years	1,888	7.46%, see rank	10.89%	11.28%
65 to 74 years	1,448	5.72%, see rank	6.36%	6.74%
75 to 84	1,015	4.01%, see rank	4.17%	4.30%
85 years and over	391	1.55%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 26,562

Median Age (see rank)

Belvidere, IL	32.80 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Belvidere, IL	31.20 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Belvidere, IL	35.00 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	2,343	8.82%, see rank	6.97%	6.92%
5 to 9 years	2,262	8.52%, see rank	6.76%	6.59%
10 to 14 years	2,411	9.08%, see rank	6.96%	6.83%
15 to 19 years	2,014	7.58%, see rank	7.24%	7.15%
20 to 24 years	1,507	5.67%, see rank	7.08%	7.02%
25 to 34 years	3,551	13.37%, see rank	13.73%	13.42%
35 to 44 years	4,118	15.50%, see rank	14.23%	14.18%
45 to 54 years	3,298	12.42%, see rank	14.47%	14.48%
55 to 64 years	2,034	7.66%, see rank	10.43%	10.81%
65 to 74 years	1,442	5.43%, see rank	6.21%	6.50%
75 to 84	1,065	4.01%, see rank	4.17%	4.40%
85 years and over	517	1.95%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 20,820

Median Age (see rank)

Belvidere, IL	32.40 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Belvidere, IL	31.30 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Belvidere, IL	33.60 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Belvidere, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,703	8.18%, see rank	7.06%	6.81%
5 to 9 years	1,831	8.79%, see rank	7.49%	7.30%
10 to 14 years	1,705	8.19%, see rank	7.29%	7.29%
15 to 19 years	1,512	7.26%, see rank	7.20%	7.18%
20 to 24 years	1,271	6.10%, see rank	6.85%	6.74%
25 to 34 years	3,267	15.69%, see rank	14.59%	14.18%
35 to 44 years	3,219	15.46%, see rank	15.97%	16.04%
45 to 54 years	2,151	10.33%, see rank	13.10%	13.39%
55 to 64 years	1,615	7.76%, see rank	8.38%	8.63%
65 to 74 years	1,271	6.10%, see rank	6.22%	6.54%
75 to 84	943	4.53%, see rank	4.31%	4.39%
85 years and over	332	1.59%, 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.