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Castle Rock, CO Historical Age Data

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ACS 2010-2014 data

Total population: 51,802

Median Age (see rank)

Castle Rock, CO	35.00 years old
Colorado	36.20 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Castle Rock, CO	33.80 years old
Colorado	35.30 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Castle Rock, CO	35.50 years old
Colorado	37.30 years old
U.S.	38.80 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	4,505	8.70%, see rank	6.49%	6.36%
5 to 9 years	4,846	9.35%, see rank	6.79%	6.51%
10 to 14 years	4,339	8.38%, see rank	6.63%	6.59%
15 to 19 years	3,306	6.38%, see rank	6.57%	6.85%
20 to 24 years	2,362	4.56%, see rank	7.07%	7.13%
25 to 34 years	6,540	12.62%, see rank	14.71%	13.47%
35 to 44 years	9,261	17.88%, see rank	13.67%	12.96%
45 to 54 years	7,795	15.05%, see rank	13.93%	14.09%
55 to 64 years	5,002	9.66%, see rank	12.31%	12.29%
65 to 74 years	2,560	4.94%, see rank	6.91%	7.64%
75 to 84	970	1.87%, see rank	3.46%	4.25%
85 years and over	316	0.61%, see rank	1.45%	1.85%

US Census 2010 data

Total population: 48,231

Median Age (see rank)

Castle Rock, CO	33.80 years old
Colorado	36.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Castle Rock, CO	33.20 years old
Colorado	35.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Castle Rock, CO	34.30 years old
Colorado	37.10 years old
U.S.	38.50 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	4,444	9.21%, see rank	6.84%	6.54%
5 to 9 years	4,934	10.23%, see rank	6.93%	6.59%
10 to 14 years	4,128	8.56%, see rank	6.61%	6.70%
15 to 19 years	3,079	6.38%, see rank	6.75%	7.14%
20 to 24 years	1,798	3.73%, see rank	6.93%	6.99%
25 to 34 years	6,735	13.96%, see rank	14.44%	13.30%
35 to 44 years	9,164	19.00%, see rank	13.91%	13.30%
45 to 54 years	6,820	14.14%, see rank	14.77%	14.58%
55 to 64 years	4,138	8.58%, see rank	11.88%	11.82%
65 to 74 years	1,953	4.05%, see rank	6.16%	7.03%
75 to 84	719	1.49%, see rank	3.38%	4.23%
85 years and over	319	0.66%, see rank	1.38%	1.78%

ACS 2008-2012 data

Total population: 48,321

Median Age (see rank)

Castle Rock, CO	34.70 years old
Colorado	36.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Castle Rock, CO	33.70 years old
Colorado	35.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Castle Rock, CO	35.30 years old
Colorado	37.10 years old
U.S.	38.50 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	4,326	8.95%, see rank	6.76%	6.51%
5 to 9 years	4,682	9.69%, see rank	6.91%	6.57%
10 to 14 years	3,959	8.19%, see rank	6.56%	6.68%
15 to 19 years	3,039	6.29%, see rank	6.75%	7.09%
20 to 24 years	2,059	4.26%, see rank	7.00%	7.04%
25 to 34 years	6,312	13.06%, see rank	14.49%	13.32%
35 to 44 years	9,243	19.13%, see rank	13.95%	13.34%
45 to 54 years	7,185	14.87%, see rank	14.59%	14.44%
55 to 64 years	4,431	9.17%, see rank	11.90%	11.84%
65 to 74 years	2,070	4.28%, see rank	6.27%	7.12%
75 to 84	804	1.66%, see rank	3.39%	4.25%
85 years and over	211	0.44%, see rank	1.41%	1.78%

ACS 2006-2010 data

Total population: 44,402

Median Age (see rank)

Castle Rock, CO	33.70 years old
Colorado	35.80 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Castle Rock, CO	33.60 years old
Colorado	34.90 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Castle Rock, CO	33.70 years old
Colorado	36.80 years old
U.S.	38.10 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	4,548	10.24%, see rank	6.96%	6.62%
5 to 9 years	4,253	9.58%, see rank	6.93%	6.62%
10 to 14 years	3,563	8.02%, see rank	6.57%	6.79%
15 to 19 years	2,558	5.76%, see rank	6.97%	7.28%
20 to 24 years	1,710	3.85%, see rank	7.06%	6.98%
25 to 34 years	6,591	14.84%, see rank	14.33%	13.22%
35 to 44 years	8,799	19.82%, see rank	14.40%	13.89%
45 to 54 years	6,321	14.24%, see rank	14.99%	14.57%
55 to 64 years	3,402	7.66%, see rank	11.25%	11.28%
65 to 74 years	1,669	3.76%, see rank	5.81%	6.74%
75 to 84	777	1.75%, see rank	3.40%	4.30%
85 years and over	211	0.48%, see rank	1.33%	1.70%

ACS 2005-2009 data

Total population: 41,320

Median Age (see rank)

Castle Rock, CO	33.90 years old
Colorado	35.50 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Castle Rock, CO	33.60 years old
Colorado	34.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Castle Rock, CO	34.20 years old
Colorado	36.50 years old
U.S.	37.90 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	4,214	10.20%, see rank	7.27%	6.92%
5 to 9 years	3,856	9.33%, see rank	6.78%	6.59%
10 to 14 years	3,068	7.42%, see rank	6.56%	6.83%
15 to 19 years	2,433	5.89%, see rank	6.88%	7.15%
20 to 24 years	1,706	4.13%, see rank	7.34%	7.02%
25 to 34 years	6,147	14.88%, see rank	14.45%	13.42%
35 to 44 years	8,646	20.92%, see rank	14.70%	14.18%
45 to 54 years	5,898	14.27%, see rank	15.01%	14.48%
55 to 64 years	3,153	7.63%, see rank	10.72%	10.81%
65 to 74 years	1,396	3.38%, see rank	5.58%	6.50%
75 to 84	653	1.58%, see rank	3.39%	4.40%
85 years and over	150	0.36%, see rank	1.30%	1.71%

US Census 2000 data

Total population: 20,224

Median Age (see rank)

Castle Rock, CO	31.90 years old
Colorado	34.30 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Castle Rock, CO	31.30 years old
Colorado	33.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Castle Rock, CO	32.40 years old
Colorado	35.40 years old
U.S.	36.50 years old

	Castle Rock, CO	% of the Total Population	Colorado	U.S.
Under 5 years	1,975	9.77%, see rank	6.92%	6.81%
5 to 9 years	1,883	9.31%, see rank	7.17%	7.30%
10 to 14 years	1,642	8.12%, see rank	7.24%	7.29%
15 to 19 years	1,303	6.44%, see rank	7.14%	7.18%
20 to 24 years	981	4.85%, see rank	7.12%	6.74%
25 to 34 years	3,563	17.62%, see rank	15.44%	14.18%
35 to 44 years	4,165	20.59%, see rank	17.13%	16.04%
45 to 54 years	2,572	12.72%, see rank	14.28%	13.39%
55 to 64 years	1,185	5.86%, see rank	7.89%	8.63%
65 to 74 years	587	2.90%, see rank	5.26%	6.54%
75 to 84	280	1.38%, see rank	3.29%	4.39%
85 years and over	88	0.44%, 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.