Hamilton Square

Population: 11,643
Median household income: $135,694
Median home value: $376,900

Hamilton Square is a community in Mercer County, New Jersey, home to 11,643 residents. Its median household income of $135,694 runs above the Mercer County figure of $96,333.

Between 2019 and 2023, Hamilton Square's population declined 2.9% from 11,989 to 11,643, while its median home value rose 24.4% from $302,900 to $376,900.

White (non-Hispanic) residents are the largest group, 85.3% of the population. 73.0% of workers drive to work alone.

Demographics

ACS 2019–2023

Population: 11,643
Median age: 46.2 yrs
Median household income: $135,694
Median home value: $376,900
Median gross rent: $1,817
Housing units: 4,439
Homeownership rate: 94.4%
Bachelor's degree or higher: 51.1%
Unemployment rate: 3.6%

Trends

ACS 5-year · 2019–2023

Population

11,98911,643

Median household income

$113,578$135,694

Median home value

$302,900$376,900

Median gross rent

$1,153$1,817

Year	Population	Median household income	Median home value	Median gross rent
2019	11,989	$113,578	$302,900	$1,153
2020	11,526	$110,400	$316,800	$1,181
2021	12,244	$117,000	$323,900	$1,881
2022	11,894	$124,262	$352,900	$2,179
2023	11,643	$135,694	$376,900	$1,817

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 56.9%

5 to 1710.3%

18 to 246.0%

25 to 3411.9%

35 to 4413.5%

45 to 549.1%

55 to 6419.4%

65 to 7416.0%

75 and over7.0%

	Count	Share
Under 5	800	6.9%
5 to 17	1,205	10.3%
18 to 24	700	6.0%
25 to 34	1,382	11.9%
35 to 44	1,566	13.5%
45 to 54	1,055	9.1%
55 to 64	2,258	19.4%
65 to 74	1,864	16.0%
75 and over	813	7.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	9,929	85.3%
Black or African American	266	2.3%
American Indian & Alaska Native	7	0.1%
Asian	606	5.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	195	1.7%
Hispanic or Latino (any race)	640	5.5%

Educational attainment (age 25+)

No high school diploma4.7%

High school graduate17.5%

Some college or associate's26.7%

Bachelor's degree34.5%

Graduate or professional degree16.6%

	Count	Share
No high school diploma	423	4.7%
High school graduate	1,564	17.5%
Some college or associate's	2,387	26.7%
Bachelor's degree	3,082	34.5%
Graduate or professional degree	1,482	16.6%

Commute to work

Mean travel time to work: 25 min

Drove alone73.0%

Carpooled6.8%

Public transit2.6%

Walked1.1%

Bicycle0.0%

Worked from home15.7%

Other means0.8%

How workers get to work

	Count	Share
Drove alone	4,402	73.0%
Carpooled	407	6.8%
Public transit	156	2.6%
Walked	68	1.1%
Bicycle	0	0.0%
Worked from home	946	15.7%
Other means	48	0.8%

Travel time

	Count	Share
Under 15 min	1,590	31.3%
15 to 29 min	1,989	39.1%
30 to 44 min	822	16.2%
45 to 59 min	254	5.0%
60+ min	426	8.4%

Households

Average household size: 2.63
Poverty rate: 2.1% (241 of 11,399)

	Count	Share
Family households	3,288	76.0%
Nonfamily households	1,038	24.0%

Housing

Median year structure built: 1967

Occupancy

	Count	Share
Occupied	4,326	97.5%
Vacant	113	2.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	4,085	94.4%
Renter-occupied	241	5.6%

1-unit, detached90.4%

1-unit, attached6.7%

2 to 4 units1.9%

5 to 19 units1.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	4,012	90.4%
1-unit, attached	299	6.7%
2 to 4 units	84	1.9%
5 to 19 units	44	1.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3429370
Type (LSAD): 57
Land area: 4.28 sq mi
Water area: 0.06 sq mi
Center point: 40.2250, -74.6505