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Northbrook, IL Historical Age Data

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ACS 2010-2014 data

Total population: 33,396

Median Age (see rank)

Northbrook, IL	47.80 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Northbrook, IL	46.30 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Northbrook, IL	48.80 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,520	4.55%, see rank	6.30%	6.36%
5 to 9 years	2,671	8.00%, see rank	6.58%	6.51%
10 to 14 years	2,248	6.73%, see rank	6.71%	6.59%
15 to 19 years	2,176	6.52%, see rank	6.94%	6.85%
20 to 24 years	1,105	3.31%, see rank	6.95%	7.13%
25 to 34 years	1,668	4.99%, see rank	13.84%	13.47%
35 to 44 years	4,129	12.36%, see rank	13.20%	12.96%
45 to 54 years	5,262	15.76%, see rank	14.17%	14.09%
55 to 64 years	4,764	14.27%, see rank	12.13%	12.29%
65 to 74 years	3,862	11.56%, see rank	7.18%	7.64%
75 to 84	2,628	7.87%, see rank	4.10%	4.25%
85 years and over	1,363	4.08%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 33,170

Median Age (see rank)

Northbrook, IL	48.00 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Northbrook, IL	46.60 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Northbrook, IL	49.20 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,488	4.49%, see rank	6.51%	6.54%
5 to 9 years	2,183	6.58%, see rank	6.70%	6.59%
10 to 14 years	2,494	7.52%, see rank	6.85%	6.70%
15 to 19 years	2,184	6.58%, see rank	7.19%	7.14%
20 to 24 years	1,071	3.23%, see rank	6.85%	6.99%
25 to 34 years	1,775	5.35%, see rank	13.84%	13.30%
35 to 44 years	3,850	11.61%, see rank	13.45%	13.30%
45 to 54 years	5,462	16.47%, see rank	14.58%	14.58%
55 to 64 years	5,217	15.73%, see rank	11.48%	11.82%
65 to 74 years	3,519	10.61%, see rank	6.62%	7.03%
75 to 84	2,622	7.90%, see rank	4.09%	4.23%
85 years and over	1,305	3.93%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 33,095

Median Age (see rank)

Northbrook, IL	46.50 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Northbrook, IL	45.50 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Northbrook, IL	47.80 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,615	4.88%, see rank	6.50%	6.51%
5 to 9 years	2,354	7.11%, see rank	6.68%	6.57%
10 to 14 years	2,406	7.27%, see rank	6.82%	6.68%
15 to 19 years	2,281	6.89%, see rank	7.16%	7.09%
20 to 24 years	1,229	3.71%, see rank	6.88%	7.04%
25 to 34 years	1,676	5.06%, see rank	13.84%	13.32%
35 to 44 years	4,276	12.92%, see rank	13.49%	13.34%
45 to 54 years	5,581	16.86%, see rank	14.46%	14.44%
55 to 64 years	4,362	13.18%, see rank	11.52%	11.84%
65 to 74 years	3,768	11.39%, see rank	6.71%	7.12%
75 to 84	2,375	7.18%, see rank	4.11%	4.25%
85 years and over	1,172	3.54%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 32,922

Median Age (see rank)

Northbrook, IL	47.00 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Northbrook, IL	45.40 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Northbrook, IL	48.20 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,678	5.10%, see rank	6.63%	6.62%
5 to 9 years	2,150	6.53%, see rank	6.78%	6.62%
10 to 14 years	2,198	6.68%, see rank	6.94%	6.79%
15 to 19 years	2,379	7.23%, see rank	7.31%	7.28%
20 to 24 years	1,383	4.20%, see rank	6.86%	6.98%
25 to 34 years	1,764	5.36%, see rank	13.78%	13.22%
35 to 44 years	4,019	12.21%, see rank	13.96%	13.89%
45 to 54 years	5,746	17.45%, see rank	14.55%	14.57%
55 to 64 years	4,512	13.71%, see rank	10.89%	11.28%
65 to 74 years	3,507	10.65%, see rank	6.36%	6.74%
75 to 84	2,693	8.18%, see rank	4.17%	4.30%
85 years and over	893	2.71%, see rank	1.77%	1.70%

ACS 2005-2009 data

Total population: 33,738

Median Age (see rank)

Northbrook, IL	45.60 years old
Illinois	35.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Northbrook, IL	44.00 years old
Illinois	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Northbrook, IL	47.00 years old
Illinois	37.20 years old
U.S.	37.90 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	2,090	6.19%, see rank	6.97%	6.92%
5 to 9 years	2,213	6.56%, see rank	6.76%	6.59%
10 to 14 years	2,380	7.05%, see rank	6.96%	6.83%
15 to 19 years	2,422	7.18%, see rank	7.24%	7.15%
20 to 24 years	1,287	3.81%, see rank	7.08%	7.02%
25 to 34 years	1,820	5.39%, see rank	13.73%	13.42%
35 to 44 years	4,315	12.79%, see rank	14.23%	14.18%
45 to 54 years	5,728	16.98%, see rank	14.47%	14.48%
55 to 64 years	4,614	13.68%, see rank	10.43%	10.81%
65 to 74 years	3,553	10.53%, see rank	6.21%	6.50%
75 to 84	2,431	7.21%, see rank	4.17%	4.40%
85 years and over	885	2.62%, see rank	1.74%	1.71%

US Census 2000 data

Total population: 33,435

Median Age (see rank)

Northbrook, IL	44.10 years old
Illinois	34.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Northbrook, IL	42.80 years old
Illinois	33.30 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Northbrook, IL	45.20 years old
Illinois	36.00 years old
U.S.	36.50 years old

	Northbrook, IL	% of the Total Population	Illinois	U.S.
Under 5 years	1,922	5.75%, see rank	7.06%	6.81%
5 to 9 years	2,404	7.19%, see rank	7.49%	7.30%
10 to 14 years	2,623	7.85%, see rank	7.29%	7.29%
15 to 19 years	2,108	6.30%, see rank	7.20%	7.18%
20 to 24 years	927	2.77%, see rank	6.85%	6.74%
25 to 34 years	2,247	6.72%, see rank	14.59%	14.18%
35 to 44 years	5,045	15.09%, see rank	15.97%	16.04%
45 to 54 years	5,691	17.02%, see rank	13.10%	13.39%
55 to 64 years	4,228	12.65%, see rank	8.38%	8.63%
65 to 74 years	3,317	9.92%, see rank	6.22%	6.54%
75 to 84	2,158	6.45%, see rank	4.31%	4.39%
85 years and over	765	2.29%, 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.