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Altadena, CA Historical Age Data

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ACS 2010-2014 data

Total population: 44,622

Median Age (see rank)

Altadena, CA	41.50 years old
California	35.60 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Altadena, CA	40.60 years old
California	34.50 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Altadena, CA	42.30 years old
California	36.80 years old
U.S.	38.80 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	2,572	5.76%, see rank	6.62%	6.36%
5 to 9 years	2,542	5.70%, see rank	6.65%	6.51%
10 to 14 years	2,315	5.19%, see rank	6.70%	6.59%
15 to 19 years	3,004	6.73%, see rank	7.12%	6.85%
20 to 24 years	2,623	5.88%, see rank	7.58%	7.13%
25 to 34 years	5,047	11.31%, see rank	14.48%	13.47%
35 to 44 years	6,466	14.49%, see rank	13.60%	12.96%
45 to 54 years	6,980	15.64%, see rank	13.79%	14.09%
55 to 64 years	6,265	14.04%, see rank	11.32%	12.29%
65 to 74 years	3,913	8.77%, see rank	6.71%	7.64%
75 to 84	1,992	4.46%, see rank	3.72%	4.25%
85 years and over	903	2.02%, see rank	1.70%	1.85%

US Census 2010 data

Total population: 42,777

Median Age (see rank)

Altadena, CA	41.80 years old
California	35.20 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Altadena, CA	40.30 years old
California	34.00 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Altadena, CA	43.40 years old
California	36.30 years old
U.S.	38.50 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	2,447	5.72%, see rank	6.79%	6.54%
5 to 9 years	2,496	5.83%, see rank	6.73%	6.59%
10 to 14 years	2,772	6.48%, see rank	6.95%	6.70%
15 to 19 years	2,814	6.58%, see rank	7.58%	7.14%
20 to 24 years	2,264	5.29%, see rank	7.42%	6.99%
25 to 34 years	4,576	10.70%, see rank	14.27%	13.30%
35 to 44 years	6,046	14.13%, see rank	13.91%	13.30%
45 to 54 years	7,254	16.96%, see rank	14.10%	14.58%
55 to 64 years	6,044	14.13%, see rank	10.84%	11.82%
65 to 74 years	3,374	7.89%, see rank	6.11%	7.03%
75 to 84	1,801	4.21%, see rank	3.68%	4.23%
85 years and over	889	2.08%, see rank	1.61%	1.78%

ACS 2008-2012 data

Total population: 44,578

Median Age (see rank)

Altadena, CA	41.70 years old
California	35.20 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Altadena, CA	41.20 years old
California	34.10 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Altadena, CA	42.20 years old
California	36.40 years old
U.S.	38.50 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	2,762	6.20%, see rank	6.82%	6.51%
5 to 9 years	2,635	5.91%, see rank	6.71%	6.57%
10 to 14 years	2,584	5.80%, see rank	6.91%	6.68%
15 to 19 years	3,044	6.83%, see rank	7.47%	7.09%
20 to 24 years	2,252	5.05%, see rank	7.49%	7.04%
25 to 34 years	5,123	11.49%, see rank	14.32%	13.32%
35 to 44 years	6,360	14.27%, see rank	13.93%	13.34%
45 to 54 years	7,364	16.52%, see rank	14.00%	14.44%
55 to 64 years	5,938	13.32%, see rank	10.85%	11.84%
65 to 74 years	3,536	7.93%, see rank	6.20%	7.12%
75 to 84	1,987	4.46%, see rank	3.70%	4.25%
85 years and over	993	2.23%, see rank	1.62%	1.78%

ACS 2006-2010 data

Total population: 45,446

Median Age (see rank)

Altadena, CA	40.30 years old
California	34.90 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Altadena, CA	39.00 years old
California	33.70 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Altadena, CA	41.50 years old
California	36.00 years old
U.S.	38.10 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	3,046	6.70%, see rank	6.95%	6.62%
5 to 9 years	3,105	6.83%, see rank	6.78%	6.62%
10 to 14 years	2,912	6.41%, see rank	7.12%	6.79%
15 to 19 years	2,902	6.39%, see rank	7.65%	7.28%
20 to 24 years	2,363	5.20%, see rank	7.37%	6.98%
25 to 34 years	5,366	11.81%, see rank	14.29%	13.22%
35 to 44 years	6,554	14.42%, see rank	14.43%	13.89%
45 to 54 years	7,164	15.76%, see rank	14.05%	14.57%
55 to 64 years	5,993	13.19%, see rank	10.28%	11.28%
65 to 74 years	3,184	7.01%, see rank	5.83%	6.74%
75 to 84	1,690	3.72%, see rank	3.73%	4.30%
85 years and over	1,167	2.57%, see rank	1.52%	1.70%

ACS 2005-2009 data

Total population: 44,693

Median Age (see rank)

Altadena, CA	39.90 years old
California	34.60 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Altadena, CA	38.10 years old
California	33.40 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Altadena, CA	41.80 years old
California	35.70 years old
U.S.	37.90 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	2,794	6.25%, see rank	7.44%	6.92%
5 to 9 years	2,985	6.68%, see rank	6.82%	6.59%
10 to 14 years	3,201	7.16%, see rank	7.26%	6.83%
15 to 19 years	3,259	7.29%, see rank	7.34%	7.15%
20 to 24 years	2,090	4.68%, see rank	7.20%	7.02%
25 to 34 years	5,081	11.37%, see rank	14.55%	13.42%
35 to 44 years	6,622	14.82%, see rank	14.71%	14.18%
45 to 54 years	7,484	16.75%, see rank	13.94%	14.48%
55 to 64 years	5,350	11.97%, see rank	9.81%	10.81%
65 to 74 years	2,954	6.61%, see rank	5.65%	6.50%
75 to 84	1,745	3.90%, see rank	3.79%	4.40%
85 years and over	1,128	2.52%, see rank	1.50%	1.71%

US Census 2000 data

Total population: 42,610

Median Age (see rank)

Altadena, CA	37.60 years old
California	33.30 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Altadena, CA	36.20 years old
California	32.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Altadena, CA	38.80 years old
California	34.40 years old
U.S.	36.50 years old

	Altadena, CA	% of the Total Population	California	U.S.
Under 5 years	2,911	6.83%, see rank	7.34%	6.81%
5 to 9 years	3,374	7.92%, see rank	8.05%	7.30%
10 to 14 years	3,282	7.70%, see rank	7.59%	7.29%
15 to 19 years	2,654	6.23%, see rank	7.24%	7.18%
20 to 24 years	1,841	4.32%, see rank	7.03%	6.74%
25 to 34 years	5,266	12.36%, see rank	15.44%	14.18%
35 to 44 years	7,555	17.73%, see rank	16.19%	16.04%
45 to 54 years	6,534	15.33%, see rank	12.79%	13.39%
55 to 64 years	3,944	9.26%, see rank	7.72%	8.63%
65 to 74 years	2,692	6.32%, see rank	5.57%	6.54%
75 to 84	1,818	4.27%, see rank	3.79%	4.39%
85 years and over	739	1.73%, see rank	1.26%	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.