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Seattle, Tacoma, Bellevue Metro Area Historical Age Data

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ACS 2010-2014 data

Total population: 3,557,037

Median Age (see rank)

Seattle, Tacoma, Bellevue Area	36.90 years old
Washington	37.40 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Seattle, Tacoma, Bellevue Area	36.10 years old
Washington	36.30 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Seattle, Tacoma, Bellevue Area	37.90 years old
Washington	38.40 years old
U.S.	38.80 years old

	Seattle, Tacoma, Bellevue Area	% of the Total Population	Washington	U.S.
Under 5 years	228,273	6.42%, see rank	6.43%	6.36%
5 to 9 years	219,558	6.17%, see rank	6.33%	6.51%
10 to 14 years	217,305	6.11%, see rank	6.40%	6.59%
15 to 19 years	216,589	6.09%, see rank	6.49%	6.85%
20 to 24 years	240,469	6.76%, see rank	7.01%	7.13%
25 to 34 years	555,332	15.61%, see rank	14.18%	13.47%
35 to 44 years	514,502	14.46%, see rank	13.23%	12.96%
45 to 54 years	519,469	14.60%, see rank	13.98%	14.09%
55 to 64 years	434,176	12.21%, see rank	12.78%	12.29%
65 to 74 years	234,430	6.59%, see rank	7.59%	7.64%
75 to 84	118,075	3.32%, see rank	3.81%	4.25%
85 years and over	58,859	1.65%, see rank	1.78%	1.85%

US Census 2010 data

Total population: 3,439,809

Median Age (see rank)

Seattle, Tacoma, Bellevue Area	36.80 years old
Washington	37.30 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Seattle, Tacoma, Bellevue Area	36.00 years old
Washington	36.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Seattle, Tacoma, Bellevue Area	37.70 years old
Washington	38.30 years old
U.S.	38.50 years old

	Seattle, Tacoma, Bellevue Area	% of the Total Population	Washington	U.S.
Under 5 years	223,335	6.49%, see rank	6.54%	6.54%
5 to 9 years	213,938	6.22%, see rank	6.39%	6.59%
10 to 14 years	214,332	6.23%, see rank	6.52%	6.70%
15 to 19 years	223,364	6.49%, see rank	6.87%	7.14%
20 to 24 years	230,437	6.70%, see rank	6.86%	6.99%
25 to 34 years	523,970	15.23%, see rank	13.89%	13.30%
35 to 44 years	509,691	14.82%, see rank	13.51%	13.30%
45 to 54 years	524,486	15.25%, see rank	14.70%	14.58%
55 to 64 years	404,248	11.75%, see rank	12.42%	11.82%
65 to 74 years	202,673	5.89%, see rank	6.80%	7.03%
75 to 84	114,162	3.32%, see rank	3.77%	4.23%
85 years and over	55,173	1.60%, see rank	1.74%	1.78%

ACS 2008-2012 data

Total population: 3,453,748

Median Age (see rank)

Seattle, Tacoma, Bellevue Area	36.80 years old
Washington	37.20 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Seattle, Tacoma, Bellevue Area	35.90 years old
Washington	36.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Seattle, Tacoma, Bellevue Area	37.70 years old
Washington	38.30 years old
U.S.	38.50 years old

	Seattle, Tacoma, Bellevue Area	% of the Total Population	Washington	U.S.
Under 5 years	223,388	6.47%, see rank	6.50%	6.51%
5 to 9 years	213,766	6.19%, see rank	6.35%	6.57%
10 to 14 years	213,897	6.19%, see rank	6.50%	6.68%
15 to 19 years	220,735	6.39%, see rank	6.79%	7.09%
20 to 24 years	235,353	6.81%, see rank	6.98%	7.04%
25 to 34 years	530,108	15.35%, see rank	13.94%	13.32%
35 to 44 years	512,122	14.83%, see rank	13.54%	13.34%
45 to 54 years	521,257	15.09%, see rank	14.56%	14.44%
55 to 64 years	406,014	11.76%, see rank	12.43%	11.84%
65 to 74 years	206,305	5.97%, see rank	6.90%	7.12%
75 to 84	116,296	3.37%, see rank	3.83%	4.25%
85 years and over	54,507	1.58%, see rank	1.70%	1.78%

ACS 2006-2010 data

Total population: 3,356,089

Median Age (see rank)

Seattle, Tacoma, Bellevue Area	36.60 years old
Washington	37.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Seattle, Tacoma, Bellevue Area	35.70 years old
Washington	36.00 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Seattle, Tacoma, Bellevue Area	37.50 years old
Washington	38.00 years old
U.S.	38.10 years old

	Seattle, Tacoma, Bellevue Area	% of the Total Population	Washington	U.S.
Under 5 years	217,162	6.47%, see rank	6.50%	6.62%
5 to 9 years	210,019	6.26%, see rank	6.41%	6.62%
10 to 14 years	211,817	6.31%, see rank	6.64%	6.79%
15 to 19 years	222,786	6.64%, see rank	7.05%	7.28%
20 to 24 years	228,639	6.81%, see rank	6.94%	6.98%
25 to 34 years	507,275	15.12%, see rank	13.67%	13.22%
35 to 44 years	516,401	15.39%, see rank	14.07%	13.89%
45 to 54 years	516,864	15.40%, see rank	14.95%	14.57%
55 to 64 years	374,402	11.16%, see rank	11.86%	11.28%
65 to 74 years	184,576	5.50%, see rank	6.38%	6.74%
75 to 84	114,876	3.42%, see rank	3.87%	4.30%
85 years and over	51,272	1.53%, see rank	1.65%	1.70%

ACS 2005-2009 data

Total population: 3,306,836

Median Age (see rank)

Seattle, Tacoma, Bellevue Area	36.40 years old
Washington	36.80 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Seattle, Tacoma, Bellevue Area	35.60 years old
Washington	35.70 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Seattle, Tacoma, Bellevue Area	37.20 years old
Washington	37.80 years old
U.S.	37.90 years old

	Seattle, Tacoma, Bellevue Area	% of the Total Population	Washington	U.S.
Under 5 years	219,049	6.62%, see rank	6.67%	6.92%
5 to 9 years	202,873	6.13%, see rank	6.35%	6.59%
10 to 14 years	212,220	6.42%, see rank	6.71%	6.83%
15 to 19 years	211,425	6.39%, see rank	6.90%	7.15%
20 to 24 years	222,923	6.74%, see rank	7.03%	7.02%
25 to 34 years	514,105	15.55%, see rank	13.85%	13.42%
35 to 44 years	516,364	15.62%, see rank	14.28%	14.18%
45 to 54 years	511,095	15.46%, see rank	15.03%	14.48%
55 to 64 years	354,660	10.73%, see rank	11.43%	10.81%
65 to 74 years	176,097	5.33%, see rank	6.18%	6.50%
75 to 84	117,030	3.54%, see rank	3.97%	4.40%
85 years and over	48,995	1.48%, see rank	1.61%	1.71%

* 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.