Williamstown Population 2026
Williamstown has a population of 15,567, making it the #2998 biggest city in 🇺🇸 United States, located in New Jersey. It is about 566× smaller than New York City, the country's biggest city.
Population (city proper)
15,567
Rank in United States
#2998
Coordinates
39.69°N, 75.00°W
~44 m elevation · America/New_York
Distance to capital (Washington)
196 km
122 miles, straight line
Other big cities in New Jersey
| City | Population | Rank in United States |
|---|---|---|
| Newark | 281,944 | #73 |
| Jersey City | 264,290 | #78 |
| Paterson | 147,754 | #188 |
| Elizabeth | 129,007 | #224 |
| Edison | 102,548 | #314 |
| Trenton | 89,620 | #380 |
| Toms River | 88,791 | #382 |
| Clifton | 86,334 | #412 |
Cities near Williamstown
- Sicklerville42,891 people · ~4 km away
- Glassboro19,216 people · ~10 km away
- Jackson54,856 people · ~15 km away
- Sewell37,433 people · ~16 km away
- Vineland60,818 people · ~22 km away
- South Vineland58,122 people · ~27 km away
FAQ
What is the population of Williamstown?
Williamstown has a population of 15,567 (city proper, latest official figure via GeoNames), making it the #2998 biggest city in United States.
What state is Williamstown in?
Williamstown is located in New Jersey, United States.
Is Williamstown the capital of United States?
No, the capital of United States is Washington D.C., about 196 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
← All biggest cities in United States · United States population by year