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Rockford, IL Historical Age Data

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ACS 2010-2014 data

Total population: 151,290

Median Age (see rank)

Rockford, IL	35.90 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Rockford, IL	34.10 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Rockford, IL	37.80 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	11,425	7.55%, see rank	6.30%	6.36%
5 to 9 years	11,461	7.58%, see rank	6.58%	6.51%
10 to 14 years	10,251	6.78%, see rank	6.71%	6.59%
15 to 19 years	9,844	6.51%, see rank	6.94%	6.85%
20 to 24 years	10,235	6.77%, see rank	6.95%	7.13%
25 to 34 years	20,824	13.76%, see rank	13.84%	13.47%
35 to 44 years	18,235	12.05%, see rank	13.20%	12.96%
45 to 54 years	19,517	12.90%, see rank	14.17%	14.09%
55 to 64 years	17,955	11.87%, see rank	12.13%	12.29%
65 to 74 years	10,632	7.03%, see rank	7.18%	7.64%
75 to 84	6,918	4.57%, see rank	4.10%	4.25%
85 years and over	3,993	2.64%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 152,871

Median Age (see rank)

Rockford, IL	35.80 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Rockford, IL	34.50 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Rockford, IL	37.30 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	11,665	7.63%, see rank	6.51%	6.54%
5 to 9 years	10,925	7.15%, see rank	6.70%	6.59%
10 to 14 years	10,669	6.98%, see rank	6.85%	6.70%
15 to 19 years	10,383	6.79%, see rank	7.19%	7.14%
20 to 24 years	10,073	6.59%, see rank	6.85%	6.99%
25 to 34 years	21,075	13.79%, see rank	13.84%	13.30%
35 to 44 years	19,339	12.65%, see rank	13.45%	13.30%
45 to 54 years	20,532	13.43%, see rank	14.58%	14.58%
55 to 64 years	17,013	11.13%, see rank	11.48%	11.82%
65 to 74 years	9,959	6.51%, see rank	6.62%	7.03%
75 to 84	7,268	4.75%, see rank	4.09%	4.23%
85 years and over	3,970	2.60%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 152,948

Median Age (see rank)

Rockford, IL	35.60 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Rockford, IL	34.20 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Rockford, IL	37.00 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	11,880	7.77%, see rank	6.50%	6.51%
5 to 9 years	11,350	7.42%, see rank	6.68%	6.57%
10 to 14 years	10,619	6.94%, see rank	6.82%	6.68%
15 to 19 years	10,299	6.73%, see rank	7.16%	7.09%
20 to 24 years	9,562	6.25%, see rank	6.88%	7.04%
25 to 34 years	21,648	14.15%, see rank	13.84%	13.32%
35 to 44 years	18,993	12.42%, see rank	13.49%	13.34%
45 to 54 years	20,347	13.30%, see rank	14.46%	14.44%
55 to 64 years	17,141	11.21%, see rank	11.52%	11.84%
65 to 74 years	10,120	6.62%, see rank	6.71%	7.12%
75 to 84	6,975	4.56%, see rank	4.11%	4.25%
85 years and over	4,014	2.62%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 154,517

Median Age (see rank)

Rockford, IL	35.80 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Rockford, IL	34.60 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Rockford, IL	37.00 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	11,707	7.58%, see rank	6.63%	6.62%
5 to 9 years	10,836	7.01%, see rank	6.78%	6.62%
10 to 14 years	10,907	7.06%, see rank	6.94%	6.79%
15 to 19 years	10,867	7.03%, see rank	7.31%	7.28%
20 to 24 years	9,959	6.45%, see rank	6.86%	6.98%
25 to 34 years	21,354	13.82%, see rank	13.78%	13.22%
35 to 44 years	20,476	13.25%, see rank	13.96%	13.89%
45 to 54 years	21,164	13.70%, see rank	14.55%	14.57%
55 to 64 years	15,937	10.31%, see rank	10.89%	11.28%
65 to 74 years	9,596	6.21%, see rank	6.36%	6.74%
75 to 84	7,709	4.99%, see rank	4.17%	4.30%
85 years and over	4,005	2.59%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 157,175

Median Age (see rank)

Rockford, IL	35.60 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Rockford, IL	34.20 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Rockford, IL	37.00 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	12,009	7.64%, see rank	6.97%	6.92%
5 to 9 years	10,873	6.92%, see rank	6.76%	6.59%
10 to 14 years	11,018	7.01%, see rank	6.96%	6.83%
15 to 19 years	10,412	6.62%, see rank	7.24%	7.15%
20 to 24 years	10,638	6.77%, see rank	7.08%	7.02%
25 to 34 years	22,442	14.28%, see rank	13.73%	13.42%
35 to 44 years	20,713	13.18%, see rank	14.23%	14.18%
45 to 54 years	21,795	13.87%, see rank	14.47%	14.48%
55 to 64 years	15,650	9.96%, see rank	10.43%	10.81%
65 to 74 years	9,275	5.90%, see rank	6.21%	6.50%
75 to 84	8,133	5.17%, see rank	4.17%	4.40%
85 years and over	4,217	2.68%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 150,115

Median Age (see rank)

Rockford, IL	34.40 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Rockford, IL	32.80 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Rockford, IL	36.00 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Rockford, IL	% of the Total Population	Illinois	U.S.
Under 5 years	11,620	7.74%, see rank	7.06%	6.81%
5 to 9 years	11,313	7.54%, see rank	7.49%	7.30%
10 to 14 years	10,938	7.29%, see rank	7.29%	7.29%
15 to 19 years	10,138	6.75%, see rank	7.20%	7.18%
20 to 24 years	9,834	6.55%, see rank	6.85%	6.74%
25 to 34 years	22,414	14.93%, see rank	14.59%	14.18%
35 to 44 years	22,200	14.79%, see rank	15.97%	16.04%
45 to 54 years	18,717	12.47%, see rank	13.10%	13.39%
55 to 64 years	11,832	7.88%, see rank	8.38%	8.63%
65 to 74 years	9,993	6.66%, see rank	6.22%	6.54%
75 to 84	8,035	5.35%, see rank	4.31%	4.39%
85 years and over	3,081	2.05%, 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.