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Thornton, CO Historical Age Data

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ACS 2010-2014 data

Total population: 124,707

Median Age (see rank)

Thornton, CO	32.30 years old
Colorado	36.20 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Thornton, CO	31.70 years old
Colorado	35.30 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Thornton, CO	32.80 years old
Colorado	37.30 years old
U.S.	38.80 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	10,078	8.08%, see rank	6.49%	6.36%
5 to 9 years	10,767	8.63%, see rank	6.79%	6.51%
10 to 14 years	10,275	8.24%, see rank	6.63%	6.59%
15 to 19 years	8,093	6.49%, see rank	6.57%	6.85%
20 to 24 years	8,477	6.80%, see rank	7.07%	7.13%
25 to 34 years	20,078	16.10%, see rank	14.71%	13.47%
35 to 44 years	19,427	15.58%, see rank	13.67%	12.96%
45 to 54 years	16,724	13.41%, see rank	13.93%	14.09%
55 to 64 years	11,259	9.03%, see rank	12.31%	12.29%
65 to 74 years	5,756	4.62%, see rank	6.91%	7.64%
75 to 84	2,811	2.25%, see rank	3.46%	4.25%
85 years and over	962	0.77%, see rank	1.45%	1.85%

US Census 2010 data

Total population: 118,772

Median Age (see rank)

Thornton, CO	32.00 years old
Colorado	36.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Thornton, CO	31.50 years old
Colorado	35.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Thornton, CO	32.40 years old
Colorado	37.10 years old
U.S.	38.50 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	10,215	8.60%, see rank	6.84%	6.54%
5 to 9 years	10,368	8.73%, see rank	6.93%	6.59%
10 to 14 years	9,322	7.85%, see rank	6.61%	6.70%
15 to 19 years	8,179	6.89%, see rank	6.75%	7.14%
20 to 24 years	7,658	6.45%, see rank	6.93%	6.99%
25 to 34 years	19,659	16.55%, see rank	14.44%	13.30%
35 to 44 years	19,113	16.09%, see rank	13.91%	13.30%
45 to 54 years	15,593	13.13%, see rank	14.77%	14.58%
55 to 64 years	10,939	9.21%, see rank	11.88%	11.82%
65 to 74 years	4,713	3.97%, see rank	6.16%	7.03%
75 to 84	2,144	1.81%, see rank	3.38%	4.23%
85 years and over	869	0.73%, see rank	1.38%	1.78%

ACS 2008-2012 data

Total population: 118,747

Median Age (see rank)

Thornton, CO	31.90 years old
Colorado	36.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Thornton, CO	31.80 years old
Colorado	35.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Thornton, CO	32.00 years old
Colorado	37.10 years old
U.S.	38.50 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	9,524	8.02%, see rank	6.76%	6.51%
5 to 9 years	10,910	9.19%, see rank	6.91%	6.57%
10 to 14 years	9,588	8.07%, see rank	6.56%	6.68%
15 to 19 years	7,589	6.39%, see rank	6.75%	7.09%
20 to 24 years	7,734	6.51%, see rank	7.00%	7.04%
25 to 34 years	20,036	16.87%, see rank	14.49%	13.32%
35 to 44 years	18,696	15.74%, see rank	13.95%	13.34%
45 to 54 years	16,158	13.61%, see rank	14.59%	14.44%
55 to 64 years	10,411	8.77%, see rank	11.90%	11.84%
65 to 74 years	4,889	4.12%, see rank	6.27%	7.12%
75 to 84	2,185	1.84%, see rank	3.39%	4.25%
85 years and over	1,027	0.86%, see rank	1.41%	1.78%

ACS 2006-2010 data

Total population: 112,374

Median Age (see rank)

Thornton, CO	31.70 years old
Colorado	35.80 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Thornton, CO	31.90 years old
Colorado	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Thornton, CO	31.60 years old
Colorado	36.80 years old
U.S.	38.10 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	9,590	8.53%, see rank	6.96%	6.62%
5 to 9 years	9,739	8.67%, see rank	6.93%	6.62%
10 to 14 years	8,995	8.00%, see rank	6.57%	6.79%
15 to 19 years	7,268	6.47%, see rank	6.97%	7.28%
20 to 24 years	7,123	6.34%, see rank	7.06%	6.98%
25 to 34 years	19,837	17.65%, see rank	14.33%	13.22%
35 to 44 years	18,118	16.12%, see rank	14.40%	13.89%
45 to 54 years	15,082	13.42%, see rank	14.99%	14.57%
55 to 64 years	9,894	8.80%, see rank	11.25%	11.28%
65 to 74 years	4,112	3.66%, see rank	5.81%	6.74%
75 to 84	1,901	1.69%, see rank	3.40%	4.30%
85 years and over	715	0.64%, see rank	1.33%	1.70%

ACS 2005-2009 data

Total population: 110,768

Median Age (see rank)

Thornton, CO	31.80 years old
Colorado	35.50 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Thornton, CO	31.70 years old
Colorado	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Thornton, CO	32.00 years old
Colorado	36.50 years old
U.S.	37.90 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	9,951	8.98%, see rank	7.27%	6.92%
5 to 9 years	9,249	8.35%, see rank	6.78%	6.59%
10 to 14 years	8,296	7.49%, see rank	6.56%	6.83%
15 to 19 years	6,578	5.94%, see rank	6.88%	7.15%
20 to 24 years	7,175	6.48%, see rank	7.34%	7.02%
25 to 34 years	20,632	18.63%, see rank	14.45%	13.42%
35 to 44 years	17,770	16.04%, see rank	14.70%	14.18%
45 to 54 years	14,782	13.35%, see rank	15.01%	14.48%
55 to 64 years	9,834	8.88%, see rank	10.72%	10.81%
65 to 74 years	3,726	3.36%, see rank	5.58%	6.50%
75 to 84	1,957	1.77%, see rank	3.39%	4.40%
85 years and over	818	0.74%, see rank	1.30%	1.71%

US Census 2000 data

Total population: 82,384

Median Age (see rank)

Thornton, CO	30.80 years old
Colorado	34.30 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Thornton, CO	30.50 years old
Colorado	33.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Thornton, CO	31.10 years old
Colorado	35.40 years old
U.S.	36.50 years old

	Thornton, CO	% of the Total Population	Colorado	U.S.
Under 5 years	7,242	8.79%, see rank	6.92%	6.81%
5 to 9 years	7,174	8.71%, see rank	7.17%	7.30%
10 to 14 years	6,609	8.02%, see rank	7.24%	7.29%
15 to 19 years	6,010	7.30%, see rank	7.14%	7.18%
20 to 24 years	5,591	6.79%, see rank	7.12%	6.74%
25 to 34 years	14,825	17.99%, see rank	15.44%	14.18%
35 to 44 years	14,823	17.99%, see rank	17.13%	16.04%
45 to 54 years	10,701	12.99%, see rank	14.28%	13.39%
55 to 64 years	4,798	5.82%, see rank	7.89%	8.63%
65 to 74 years	2,600	3.16%, see rank	5.26%	6.54%
75 to 84	1,446	1.76%, see rank	3.29%	4.39%
85 years and over	565	0.69%, see rank	1.12%	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.