United States › New Jersey › Williamstown CITY · 2020 ACS
Williamstown New Jersey · 15,082 residents · 7.42 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 15,082 people, Williamstown is a city in New Jersey. Owners hold 73% of the housing stock. The average commute runs 37 minutes. Growth has run 28% since 2000, or 3,270 more people. 4% of locals were born outside the United States. The poverty rate is 4.5%, under the national 12.8%.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 42.1
US median: 38.8
Less educated
26% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 36.8 in 2000
US average: 38.8
Population, 1990 – 2024
10K 12K 13K 15K 16K 1990 2000 2010 2020 2024 Williamstown Age distribution, 2020
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Section 02
Income & economy $83,945
+26%inflation adjusted, since 2000
from $44,200 in 2000
US average: $66,278
from $19,112 in 2000
US average: $35,364
Households earning $100K+
from 37.6% in 2009
US average: 43.9%
from 7.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 5.3%
Education & health services 5.1%
Public administration 4.7%
Transportation & warehousing 4.2%
Arts, entertainment, food 0.8%
Agriculture, forestry, fishing 0.2%
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$205,500
+22%inflation adjusted, since 2000
from $112,300 in 2000
US average: $265,253
$991
+10%inflation adjusted, since 2000
from $599 in 2000
US average: $1,124
from 73.1% in 2000
26.6% rent
from 2.69 people in 2009
US average: 2.61
from 3.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 84.3%(9,954)
Hispanic / Latino 2.9%(339)
2020
White, non-Hispanic 72.1%(10,875)
Hispanic / Latino 7.8%(1,172)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 20 more ancestry groups with data from 13.2% in 2000
US average: 32.9%
High school or higher
from 79.6% in 2000
US average: 88.5%
from 2.4% in 2000
US average: 12.7%
Section 06
Commute & transportation from 22.1 min in 2000
US average: 26.9
from 84.1% in 2009
US average: 75.1%
from 8.0% in 2009
US average: 8.4%
Section 07
Work & employment from 8.5% in 2011
US average: 5.4%
from 68.8% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 31.6% in 2009
US average: 39.3%
Section 08
People & community from 5.1% in 2009
US average: 13.5%
from 11.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 32.2%(1,826)
Women 15+
Never married 34.1%(2,358)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 11.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 16.8%(141)
Share of the 837 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Williamstown, New Jersey? Williamstown, New Jersey has about 15,082 residents according to the 2020 American Community Survey.
What is the median household income in Williamstown, New Jersey? The typical household in Williamstown, New Jersey earns about $83,945 a year. Half of households make more than that, and half make less.
Is Williamstown, New Jersey expensive? In Williamstown, New Jersey, the median home is worth about $205,500, and the typical rent is about $991 a month.
How educated are people in Williamstown, New Jersey? About 25.8% of adults age 25 and over in Williamstown, New Jersey hold a bachelor's degree or higher.
What is the poverty rate in Williamstown, New Jersey? About 4.5% of people in Williamstown, New Jersey live below the federal poverty line.
Has Williamstown, New Jersey grown since 1990? Yes, Williamstown, New Jersey has grown since 1990. The population has added about 4,191 residents, a change of about 38 percent over that period.
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