How much do homeowners pay a month in Hamilton Square, NJ?

Name: Homeowner costs in Hamilton Square, NJ, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Homeowners with a mortgage in Hamilton Square, NJ pay a median of $2,655 (±$108) a month in selected owner costs (2020–2024 American Community Survey).

Owners without a mortgage pay $1,189 (±$78).

65.6% of owned homes carry a mortgage.

In Hamilton Square, the median monthly cost with a mortgage went from $2,303 in 2015–2019 to $2,655 in 2020–2024 (+15.3%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Figures last updated on November 12, 2026.

With a mortgage: $2,655 (±$108)
Without a mortgage: $1,189 (±$78)
Owned with a mortgage: 65.6%

Monthly owner costs in Hamilton Square

Median selected monthly owner costs, estimate (90% margin of error)
	Hamilton Square	Mercer County	New Jersey	United States
With a mortgage	$2,655 (±$108)	$2,615 (±$56)	$2,829 (±$8)	$1,963
Without a mortgage	$1,189 (±$78)	$1,136 (±$27)	$1,232 (±$6)	$638
Owned homes with a mortgage	65.6% (±5.1 points)	62.3% (±1.4 points)	63.9% (±0.2 points)	60.6%
Median real estate taxes (a year)	$9,289 (±$307)	$8,909 (±$148)	$9,590 (±$25)	$3,119

Selected monthly owner costs are the mortgage payment, property taxes, insurance, utilities, fuels and any condominium or mobile-home fees.

In Hamilton Square, the median cost with a mortgage is not measurably different from Mercer County ($2,615).

It is also lower than in New Jersey ($2,829).

It is higher than the national figure ($1,963).

In Mercer County, Hamilton Square ranks 4 of 9 places with a published estimate, from highest to lowest median monthly cost with a mortgage.

Statewide, it ranks 120 of 247.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

How owner costs in Hamilton Square have changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median owner cost with a mortgage	$2,303 (±$87)	$2,655 (±$108)	+15.3%	Down after inflation
Median real estate taxes	$7,607 (±$355)	$9,289 (±$307)	+22.1%	No measurable change after inflation
Median home value	$302,900 (±$10,880)	$397,000 (±$20,064)	+31.1%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median monthly cost with a mortgage in places near Hamilton Square

Nearest places with a published estimate, compared with Hamilton Square
Place	Distance	Median monthly cost with a mortgage	Compared with this place
Hamilton Square	—	$2,655 (±$108)	—
Robbinsville Center	1.1 mi	$3,594 (±$338)	Higher
Mercerville	2.3 mi	$2,496 (±$144)	Not measurably different
Yardville	2.7 mi	$2,528 (±$202)	Not measurably different
Robbinsville Township	2.9 mi	$3,606 (±$241)	Higher
White Horse	3.5 mi	$2,124 (±$147)	Lower
Groveville	3.8 mi	$2,721 (±$385)	Not measurably different
Allentown Borough	4.5 mi	$2,824 (±$185)	Not measurably different
West Windsor Township	4.7 mi	$4,000 or more	—

Nearby places with a measurably lower figure: White Horse, NJ ($2,124).

Nearby places with a measurably higher figure: Robbinsville Center, NJ ($3,594), Robbinsville Township, NJ ($3,606).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median monthly cost with a mortgage across Mercer County, place by place

Rank	Place	Median monthly cost with a mortgage
1	Princeton Junction	$3,609 (±$230)
2	Robbinsville Center	$3,594 (±$338)
3	Groveville	$2,721 (±$385)
4	Hamilton Square	$2,655 (±$108)
5	Lawrenceville	$2,555 (±$516)
6	Yardville	$2,528 (±$202)
7	Mercerville	$2,496 (±$144)
8	White Horse	$2,124 (±$147)
9	Twin Rivers	$2,051 (±$261)

Hamilton Square is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside Hamilton Township (Mercer County), whose figures include it.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Hamilton Square

What is the average mortgage payment in Hamilton Square?

The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Hamilton Square, NJ is $2,655 (±$108) a month, including taxes, insurance and utilities.

How much does it cost to own a paid-off home in Hamilton Square?

Owners without a mortgage in Hamilton Square pay a median of $1,189 (±$78) a month in taxes, insurance, utilities and fees.

Has the cost of owning a home in Hamilton Square gone up?

In Hamilton Square, the median monthly cost with a mortgage went from $2,303 in 2015–2019 to $2,655 in 2020–2024 (+15.3%).

Prices (CPI-U) rose 22.7% over the same years, so it rose more slowly than prices: a measurable decrease after inflation.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) and detailed tables (acs/acs5) for Hamilton Square CDP, New Jersey (place:29370, in state:34).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B25088_002E, B25088_002M, B25103_001E, B25103_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP04_0101E, DP04_0101M, DP04_0109E, DP04_0109M, DP04_0091PE, DP04_0091PM, B25103_001E, B25103_001M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.