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Williamstown, MA Historical Age Data

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ACS 2010-2014 data

Total population: 4,173

Median Age (see rank)

Williamstown, MA	21.40 years old
Massachusetts	39.30 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Williamstown, MA	21.70 years old
Massachusetts	37.80 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Williamstown, MA	21.10 years old
Massachusetts	40.60 years old
U.S.	38.80 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	149	3.57%, see rank	5.49%	6.36%
5 to 9 years	111	2.66%, see rank	5.73%	6.51%
10 to 14 years	125	3.00%, see rank	6.03%	6.59%
15 to 19 years	1,061	25.43%, see rank	6.98%	6.85%
20 to 24 years	1,040	24.92%, see rank	7.25%	7.13%
25 to 34 years	199	4.77%, see rank	13.41%	13.47%
35 to 44 years	318	7.62%, see rank	12.88%	12.96%
45 to 54 years	195	4.67%, see rank	15.07%	14.09%
55 to 64 years	348	8.34%, see rank	12.77%	12.29%
65 to 74 years	318	7.62%, see rank	7.65%	7.64%
75 to 84	187	4.48%, see rank	4.49%	4.25%
85 years and over	122	2.92%, see rank	2.26%	1.85%

US Census 2010 data

Total population: 4,325

Median Age (see rank)

Williamstown, MA	22.30 years old
Massachusetts	39.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Williamstown, MA	22.10 years old
Massachusetts	37.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Williamstown, MA	22.60 years old
Massachusetts	40.30 years old
U.S.	38.50 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	99	2.29%, see rank	5.61%	6.54%
5 to 9 years	112	2.59%, see rank	5.89%	6.59%
10 to 14 years	115	2.66%, see rank	6.19%	6.70%
15 to 19 years	860	19.88%, see rank	7.07%	7.14%
20 to 24 years	1,277	29.53%, see rank	7.26%	6.99%
25 to 34 years	213	4.92%, see rank	12.91%	13.30%
35 to 44 years	288	6.66%, see rank	13.55%	13.30%
45 to 54 years	281	6.50%, see rank	15.46%	14.58%
55 to 64 years	413	9.55%, see rank	12.27%	11.82%
65 to 74 years	338	7.82%, see rank	6.97%	7.03%
75 to 84	225	5.20%, see rank	4.60%	4.23%
85 years and over	104	2.40%, see rank	2.22%	1.78%

ACS 2008-2012 data

Total population: 3,787

Median Age (see rank)

Williamstown, MA	24.50 years old
Massachusetts	39.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Williamstown, MA	32.80 years old
Massachusetts	37.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Williamstown, MA	21.90 years old
Massachusetts	40.30 years old
U.S.	38.50 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	149	3.93%, see rank	5.59%	6.51%
5 to 9 years	107	2.83%, see rank	5.91%	6.57%
10 to 14 years	112	2.96%, see rank	6.13%	6.68%
15 to 19 years	764	20.17%, see rank	7.12%	7.09%
20 to 24 years	770	20.33%, see rank	7.17%	7.04%
25 to 34 years	139	3.67%, see rank	13.00%	13.32%
35 to 44 years	350	9.24%, see rank	13.56%	13.34%
45 to 54 years	179	4.73%, see rank	15.32%	14.44%
55 to 64 years	402	10.62%, see rank	12.29%	11.84%
65 to 74 years	437	11.54%, see rank	7.07%	7.12%
75 to 84	255	6.73%, see rank	4.62%	4.25%
85 years and over	123	3.25%, see rank	2.21%	1.78%

ACS 2006-2010 data

Total population: 3,845

Median Age (see rank)

Williamstown, MA	25.20 years old
Massachusetts	38.70 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Williamstown, MA	22.80 years old
Massachusetts	37.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Williamstown, MA	39.00 years old
Massachusetts	39.90 years old
U.S.	38.10 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	116	3.02%, see rank	5.69%	6.62%
5 to 9 years	176	4.58%, see rank	6.01%	6.62%
10 to 14 years	93	2.42%, see rank	6.30%	6.79%
15 to 19 years	681	17.71%, see rank	7.24%	7.28%
20 to 24 years	848	22.05%, see rank	7.10%	6.98%
25 to 34 years	148	3.85%, see rank	12.77%	13.22%
35 to 44 years	289	7.52%, see rank	14.37%	13.89%
45 to 54 years	331	8.61%, see rank	15.30%	14.57%
55 to 64 years	393	10.22%, see rank	11.68%	11.28%
65 to 74 years	413	10.74%, see rank	6.65%	6.74%
75 to 84	281	7.31%, see rank	4.77%	4.30%
85 years and over	76	1.98%, see rank	2.12%	1.70%

ACS 2005-2009 data

Total population: 4,192

Median Age (see rank)

Williamstown, MA	32.30 years old
Massachusetts	38.50 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Williamstown, MA	23.10 years old
Massachusetts	37.20 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Williamstown, MA	42.00 years old
Massachusetts	39.80 years old
U.S.	37.90 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	121	2.89%, see rank	5.92%	6.92%
5 to 9 years	215	5.13%, see rank	5.97%	6.59%
10 to 14 years	97	2.31%, see rank	6.33%	6.83%
15 to 19 years	650	15.51%, see rank	7.18%	7.15%
20 to 24 years	911	21.73%, see rank	6.78%	7.02%
25 to 34 years	168	4.01%, see rank	12.90%	13.42%
35 to 44 years	332	7.92%, see rank	14.99%	14.18%
45 to 54 years	427	10.19%, see rank	15.32%	14.48%
55 to 64 years	443	10.57%, see rank	11.27%	10.81%
65 to 74 years	512	12.21%, see rank	6.53%	6.50%
75 to 84	226	5.39%, see rank	4.72%	4.40%
85 years and over	90	2.15%, see rank	2.11%	1.71%

US Census 2000 data

Total population: 4,754

Median Age (see rank)

Williamstown, MA	22.10 years old
Massachusetts	36.50 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Williamstown, MA	21.80 years old
Massachusetts	35.40 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Williamstown, MA	22.70 years old
Massachusetts	37.70 years old
U.S.	36.50 years old

	Williamstown, MA	% of the Total Population	Massachusetts	U.S.
Under 5 years	122	2.57%, see rank	6.26%	6.81%
5 to 9 years	138	2.90%, see rank	6.79%	7.30%
10 to 14 years	184	3.87%, see rank	6.79%	7.29%
15 to 19 years	923	19.42%, see rank	6.55%	7.18%
20 to 24 years	1,327	27.91%, see rank	6.37%	6.74%
25 to 34 years	303	6.37%, see rank	14.60%	14.18%
35 to 44 years	354	7.45%, see rank	16.74%	16.04%
45 to 54 years	432	9.09%, see rank	13.76%	13.39%
55 to 64 years	321	6.75%, see rank	8.61%	8.63%
65 to 74 years	284	5.97%, see rank	6.74%	6.54%
75 to 84	272	5.72%, see rank	4.97%	4.39%
85 years and over	94	1.98%, 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.