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Watertown, MA Historical Age Data

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ACS 2010-2014 data

Total population: 32,880

Median Age (see rank)

Watertown, MA	38.50 years old
Massachusetts	39.30 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Watertown, MA	38.00 years old
Massachusetts	37.80 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Watertown, MA	39.00 years old
Massachusetts	40.60 years old
U.S.	38.80 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,990	6.05%, see rank	5.49%	6.36%
5 to 9 years	1,292	3.93%, see rank	5.73%	6.51%
10 to 14 years	1,118	3.40%, see rank	6.03%	6.59%
15 to 19 years	1,388	4.22%, see rank	6.98%	6.85%
20 to 24 years	1,645	5.00%, see rank	7.25%	7.13%
25 to 34 years	6,928	21.07%, see rank	13.41%	13.47%
35 to 44 years	5,081	15.45%, see rank	12.88%	12.96%
45 to 54 years	5,015	15.25%, see rank	15.07%	14.09%
55 to 64 years	3,536	10.75%, see rank	12.77%	12.29%
65 to 74 years	2,768	8.42%, see rank	7.65%	7.64%
75 to 84	1,586	4.82%, see rank	4.49%	4.25%
85 years and over	533	1.62%, see rank	2.26%	1.85%

US Census 2010 data

Total population: 31,915

Median Age (see rank)

Watertown, MA	38.30 years old
Massachusetts	39.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Watertown, MA	36.90 years old
Massachusetts	37.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Watertown, MA	39.80 years old
Massachusetts	40.30 years old
U.S.	38.50 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,823	5.71%, see rank	5.61%	6.54%
5 to 9 years	1,214	3.80%, see rank	5.89%	6.59%
10 to 14 years	1,179	3.69%, see rank	6.19%	6.70%
15 to 19 years	1,185	3.71%, see rank	7.07%	7.14%
20 to 24 years	1,776	5.56%, see rank	7.26%	6.99%
25 to 34 years	6,928	21.71%, see rank	12.91%	13.30%
35 to 44 years	4,849	15.19%, see rank	13.55%	13.30%
45 to 54 years	4,393	13.76%, see rank	15.46%	14.58%
55 to 64 years	3,786	11.86%, see rank	12.27%	11.82%
65 to 74 years	2,249	7.05%, see rank	6.97%	7.03%
75 to 84	1,798	5.63%, see rank	4.60%	4.23%
85 years and over	735	2.30%, see rank	2.22%	1.78%

ACS 2008-2012 data

Total population: 32,073

Median Age (see rank)

Watertown, MA	38.80 years old
Massachusetts	39.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Watertown, MA	37.00 years old
Massachusetts	37.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Watertown, MA	40.30 years old
Massachusetts	40.30 years old
U.S.	38.50 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,888	5.89%, see rank	5.59%	6.51%
5 to 9 years	1,167	3.64%, see rank	5.91%	6.57%
10 to 14 years	953	2.97%, see rank	6.13%	6.68%
15 to 19 years	1,568	4.89%, see rank	7.12%	7.09%
20 to 24 years	2,097	6.54%, see rank	7.17%	7.04%
25 to 34 years	6,514	20.31%, see rank	13.00%	13.32%
35 to 44 years	4,623	14.41%, see rank	13.56%	13.34%
45 to 54 years	4,831	15.06%, see rank	15.32%	14.44%
55 to 64 years	3,546	11.06%, see rank	12.29%	11.84%
65 to 74 years	2,487	7.75%, see rank	7.07%	7.12%
75 to 84	1,801	5.62%, see rank	4.62%	4.25%
85 years and over	598	1.86%, see rank	2.21%	1.78%

ACS 2006-2010 data

Total population: 31,591

Median Age (see rank)

Watertown, MA	40.00 years old
Massachusetts	38.70 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Watertown, MA	38.20 years old
Massachusetts	37.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Watertown, MA	41.30 years old
Massachusetts	39.90 years old
U.S.	38.10 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,782	5.64%, see rank	5.69%	6.62%
5 to 9 years	1,183	3.74%, see rank	6.01%	6.62%
10 to 14 years	849	2.69%, see rank	6.30%	6.79%
15 to 19 years	1,127	3.57%, see rank	7.24%	7.28%
20 to 24 years	2,264	7.17%, see rank	7.10%	6.98%
25 to 34 years	6,448	20.41%, see rank	12.77%	13.22%
35 to 44 years	4,475	14.17%, see rank	14.37%	13.89%
45 to 54 years	5,073	16.06%, see rank	15.30%	14.57%
55 to 64 years	3,736	11.83%, see rank	11.68%	11.28%
65 to 74 years	2,026	6.41%, see rank	6.65%	6.74%
75 to 84	1,925	6.09%, see rank	4.77%	4.30%
85 years and over	703	2.23%, see rank	2.12%	1.70%

ACS 2005-2009 data

Total population: 32,767

Median Age (see rank)

Watertown, MA	37.90 years old
Massachusetts	38.50 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Watertown, MA	36.80 years old
Massachusetts	37.20 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Watertown, MA	39.80 years old
Massachusetts	39.80 years old
U.S.	37.90 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,878	5.73%, see rank	5.92%	6.92%
5 to 9 years	1,438	4.39%, see rank	5.97%	6.59%
10 to 14 years	765	2.33%, see rank	6.33%	6.83%
15 to 19 years	1,789	5.46%, see rank	7.18%	7.15%
20 to 24 years	2,552	7.79%, see rank	6.78%	7.02%
25 to 34 years	6,468	19.74%, see rank	12.90%	13.42%
35 to 44 years	4,586	14.00%, see rank	14.99%	14.18%
45 to 54 years	4,863	14.84%, see rank	15.32%	14.48%
55 to 64 years	3,582	10.93%, see rank	11.27%	10.81%
65 to 74 years	2,197	6.70%, see rank	6.53%	6.50%
75 to 84	1,767	5.39%, see rank	4.72%	4.40%
85 years and over	882	2.69%, see rank	2.11%	1.71%

US Census 2000 data

Total population: 32,986

Median Age (see rank)

Watertown, MA	36.70 years old
Massachusetts	36.50 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Watertown, MA	35.20 years old
Massachusetts	35.40 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Watertown, MA	38.50 years old
Massachusetts	37.70 years old
U.S.	36.50 years old

	Watertown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	1,535	4.65%, see rank	6.26%	6.81%
5 to 9 years	1,182	3.58%, see rank	6.79%	7.30%
10 to 14 years	1,239	3.76%, see rank	6.79%	7.29%
15 to 19 years	1,440	4.37%, see rank	6.55%	7.18%
20 to 24 years	2,371	7.19%, see rank	6.37%	6.74%
25 to 34 years	7,595	23.02%, see rank	14.60%	14.18%
35 to 44 years	5,535	16.78%, see rank	16.74%	16.04%
45 to 54 years	4,035	12.23%, see rank	13.76%	13.39%
55 to 64 years	2,549	7.73%, see rank	8.61%	8.63%
65 to 74 years	2,590	7.85%, see rank	6.74%	6.54%
75 to 84	2,108	6.39%, see rank	4.97%	4.39%
85 years and over	807	2.45%, see rank	1.84%	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.