Hamilton Square
Census-designated place in Mercer County, New Jersey

Hamilton Square is an unincorporated community (census-designated place) in Mercer County, New Jersey, with 12,679 residents (2020 Census). It sits at 102 ft (31 m) above sea level. The nearest town is Robbinsville Center, 1.1 miles E.
- 12,679residents (2020 Census)
- 102 ftelevation · 31 m
- 4.3 sq miland area · 11.1 km²
- 2,965 / sq mipopulation density
- 08690ZIP code
About Hamilton Square
Hamilton Square is an unincorporated community and census-designated place (CDP) located within Hamilton Township, in Mercer County, in the U.S. state of New Jersey, that is the site of a historic colonial village. Until the 2000 census the area was part of the Mercerville-Hamilton Square CDP, which was split into two CDPs as of 2010: Mercerville and Hamilton Square.
Hamilton Square was established in 1692 and was named after Alexander Hamilton in a wave of anti-British feeling at the time of the War of 1812. It previously had been called "Nottingham" after the British town. As of the 2020 census, the CDP's population was 12,679.
Text: Wikipedia · CC BY-SA 4.0
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Living in Hamilton Square
- Median household income
- $138,162
- Median home value
- $397,000
- Median rent
- $2,139/mo
- Median age
- 44.9
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Map of Hamilton Square
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Open in Google Maps ›Hamilton Square, NJ population
Hamilton Square had 12,679 residents in the 2020 Census.
| 2020 Census | 12,679 |
|---|---|
| Density | 2,965 per sq mi (1,145 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Hamilton Square at a glance
| State | New Jersey (NJ) |
|---|---|
| County | Mercer County |
| Type | Census-designated place |
| Population | 12,679 (2020) |
| Land area | 4.28 sq mi (11.1 km²) |
| Water area | 0.06 sq mi (0.15 km²) |
| Elevation | 102 ft (31 m) |
| Coordinates | 40.2250° N, 74.6505° W |
| ZIP code | 08690 |
| Census code (GEOID) | 3429370 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Hamilton Square
- Robbinsville Center1.1 mi E
- Hamilton1.8 mi SW
- Mercerville2.3 mi W
- Yardville2.7 mi S
- Robbinsville2.9 mi E
- White Horse3.5 mi SW
- Groveville3.8 mi S
- Windsor4.0 mi NE
- Allentown4.5 mi SE
- West Windsor4.7 mi N
- Crosswicks5.9 mi S
- Trenton6.0 mi W
Straight-line distance between town centers.
Frequently asked questions about Hamilton Square
What county is Hamilton Square in?
Hamilton Square is in Mercer County, New Jersey.
What is the population of Hamilton Square, NJ?
12,679 people lived in Hamilton Square at the 2020 Census.
What is the ZIP code of Hamilton Square, NJ?
The ZIP code of Hamilton Square is 08690.
What is the elevation of Hamilton Square?
102 feet (31 m) above sea level.
What towns are near Hamilton Square?
Robbinsville Center (1.1 mi), Hamilton (1.8 mi), Mercerville (2.3 mi), Yardville (2.7 mi), Robbinsville (2.9 mi).
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