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Knollwood, IL Historical Age Data

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ACS 2010-2014 data

Total population: 1,519

Median Age (see rank)

Knollwood, IL	39.70 years old
Illinois	37.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Knollwood, IL	37.00 years old
Illinois	35.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Knollwood, IL	46.20 years old
Illinois	38.40 years old
U.S.	38.80 years old

	Knollwood, IL	% of the Total Population	Illinois	U.S.
Under 5 years	80	5.27%, see rank	6.30%	6.36%
5 to 9 years	39	2.57%, see rank	6.58%	6.51%
10 to 14 years	105	6.91%, see rank	6.71%	6.59%
15 to 19 years	92	6.06%, see rank	6.94%	6.85%
20 to 24 years	70	4.61%, see rank	6.95%	7.13%
25 to 34 years	229	15.08%, see rank	13.84%	13.47%
35 to 44 years	213	14.02%, see rank	13.20%	12.96%
45 to 54 years	214	14.09%, see rank	14.17%	14.09%
55 to 64 years	295	19.42%, see rank	12.13%	12.29%
65 to 74 years	85	5.60%, see rank	7.18%	7.64%
75 to 84	40	2.63%, see rank	4.10%	4.25%
85 years and over	57	3.75%, see rank	1.90%	1.85%

US Census 2010 data

Total population: 1,747

Median Age (see rank)

Knollwood, IL	45.20 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Knollwood, IL	44.10 years old
Illinois	35.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Knollwood, IL	46.10 years old
Illinois	37.90 years old
U.S.	38.50 years old

	Knollwood, IL	% of the Total Population	Illinois	U.S.
Under 5 years	61	3.49%, see rank	6.51%	6.54%
5 to 9 years	101	5.78%, see rank	6.70%	6.59%
10 to 14 years	119	6.81%, see rank	6.85%	6.70%
15 to 19 years	111	6.35%, see rank	7.19%	7.14%
20 to 24 years	103	5.90%, see rank	6.85%	6.99%
25 to 34 years	147	8.41%, see rank	13.84%	13.30%
35 to 44 years	227	12.99%, see rank	13.45%	13.30%
45 to 54 years	295	16.89%, see rank	14.58%	14.58%
55 to 64 years	284	16.26%, see rank	11.48%	11.82%
65 to 74 years	139	7.96%, see rank	6.62%	7.03%
75 to 84	95	5.44%, see rank	4.09%	4.23%
85 years and over	65	3.72%, see rank	1.83%	1.78%

ACS 2008-2012 data

Total population: 1,345

Median Age (see rank)

Knollwood, IL	41.30 years old
Illinois	36.60 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Knollwood, IL	37.70 years old
Illinois	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Knollwood, IL	42.90 years old
Illinois	38.00 years old
U.S.	38.50 years old

	Knollwood, IL	% of the Total Population	Illinois	U.S.
Under 5 years	58	4.31%, see rank	6.50%	6.51%
5 to 9 years	32	2.38%, see rank	6.68%	6.57%
10 to 14 years	97	7.21%, see rank	6.82%	6.68%
15 to 19 years	102	7.58%, see rank	7.16%	7.09%
20 to 24 years	64	4.76%, see rank	6.88%	7.04%
25 to 34 years	195	14.50%, see rank	13.84%	13.32%
35 to 44 years	169	12.57%, see rank	13.49%	13.34%
45 to 54 years	208	15.46%, see rank	14.46%	14.44%
55 to 64 years	232	17.25%, see rank	11.52%	11.84%
65 to 74 years	102	7.58%, see rank	6.71%	7.12%
75 to 84	55	4.09%, see rank	4.11%	4.25%
85 years and over	31	2.30%, see rank	1.83%	1.78%

ACS 2006-2010 data

Total population: 1,676

Median Age (see rank)

Knollwood, IL	36.60 years old
Illinois	36.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Knollwood, IL	44.80 years old
Illinois	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Knollwood, IL	33.70 years old
Illinois	37.60 years old
U.S.	38.10 years old

	Knollwood, IL	% of the Total Population	Illinois	U.S.
Under 5 years	68	4.06%, see rank	6.63%	6.62%
5 to 9 years	93	5.55%, see rank	6.78%	6.62%
10 to 14 years	132	7.88%, see rank	6.94%	6.79%
15 to 19 years	155	9.25%, see rank	7.31%	7.28%
20 to 24 years	125	7.46%, see rank	6.86%	6.98%
25 to 34 years	249	14.86%, see rank	13.78%	13.22%
35 to 44 years	194	11.58%, see rank	13.96%	13.89%
45 to 54 years	302	18.02%, see rank	14.55%	14.57%
55 to 64 years	204	12.17%, see rank	10.89%	11.28%
65 to 74 years	91	5.43%, see rank	6.36%	6.74%
75 to 84	63	3.76%, see rank	4.17%	4.30%
85 years and over	0	0.00%, see rank	1.77%	1.70%

* 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.