City safety & data profile

Hamilton SquareNJ

Hamilton Square, NJ is a 13K-resident city in Mercer County with a median household income of $138,162.

Mercer County, New Jersey. Federal health, economic, and safety indicators for Hamilton Square, drawn from the U.S. Census Bureau American Community Survey, CDC PLACES, and CMS Hospital Compare. Hamilton Square has a population larger than 17% of the 4,640 U.S. cities Areazine tracks, and a median home value of $397,000.

Data updated 2026-07-19

13K
Population
Top 83%
By size
$138,162
Median income
$397,000
Median home
2.2%
Poverty rate

The read on Hamilton Square

Hamilton Square posts a median household income higher than 90% of U.S. cities Areazine tracks.

Top 10%
by median income, US cities

Where Hamilton Square income ranks nationally

Median household income vs. every place Areazine profiles (place-level ACS)

$138,162 Top 10% higher than 90% of 3,889 places Areazine profiles

$0–$20,000: 0 places Areazine profiles (0%). Below this entry. $20,000–$40,000: 71 places Areazine profiles (2%). Below this entry. $40,000–$60,000: 788 places Areazine profiles (20%). Below this entry. $60,000–$80,000: 1,055 places Areazine profiles (27%). Below this entry. $80,000–$100,000: 768 places Areazine profiles (20%). Below this entry. $100,000–$120,000: 515 places Areazine profiles (13%). Below this entry. $120,000–$140,000: 308 places Areazine profiles (8%). This entry sits in this band. $140,000–$160,000: 171 places Areazine profiles (4%). Above this entry. $160,000–$180,000: 92 places Areazine profiles (2%). Above this entry. $180,000–$200,000: 47 places Areazine profiles (1%). Above this entry. $200,000–$220,000: 28 places Areazine profiles (1%). Above this entry. $220,000–$240,000: 18 places Areazine profiles (0%). Above this entry. $240,000–$260,000: 28 places Areazine profiles (1%). Above this entry. NJ $0 $260,000 every profiled place, bucketed by value

Each bar is a $20K-wide band; taller bars hold more places Areazine profiles. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, American Community Survey (place-level) · 2024 ACS 5-year

The quick read

Reading Hamilton Square, NJ beyond the headline numbers

Hamilton Square sits inside Mercer County, New Jersey, at roughly 40.23°N, -74.65°W. Population 12,784, $138,162 median household income. Median home value $397,000, median rent $2,139. Poverty rate 2.2%, read against that income figure since two cities on the same median can differ underneath it.

CDC PLACES: Hamilton Square's highest-prevalence health measure is short sleep duration at 32.6%, then high blood pressure at 30.4%.

Sources: U.S. Census ACS, CDC PLACES, CMS Hospital Compare, plus live alerts for Hamilton Square from FEMA, NOAA, FDA, and CPSC. Comparison bars benchmark each metric against the national reference.

Population
12,784
Hamilton Square
Median Income
$138,162
+103% vs avg
Median Home Value
$397,000
+74% vs avg
Median Age
44.9
years

10-Year Trends 2013–2024

County-level trend (Mercer County) - Hamilton Square's own historical series isn't separately published by the Census Bureau, so these year-over-year figures track the surrounding county, not the city alone.

20132024
Population
386K+5%
Median Income
$100,645+37%
Median Home Value
$377,700+32%
Poverty Rate
10.3%-8%
Unemployment
6.3%-41%

Economics

Economics indicators for Hamilton Square, NJ
IndicatorValue
Median Rent
$2,139/mo
Poverty Rate
2.2% -85% vs avg
Unemployment 3.4%
Bachelor's Degree+ 46.4%
Work From Home 19.4%
Public Transit 1.6%

Population

White 83.6%
African American 3.3%
Asian 5%

Health Profile 15 measures

Health Indicators

Short Sleep Duration
32.6%
High Blood Pressure
30.4%
Obesity
22.5%
Physical Inactivity
19%
Binge Drinking
15.7%
Frequent Mental Distress
13.5%
Frequent Physical Distress
11%
Current Asthma
9%
Diabetes
9%
Current Smoking
9%

Preventive Care

Dental Visit 70.9%
Annual Checkup 79.7%

Other Measures

Lack of Health Insurance
6.9%
Coronary Heart Disease
5.7%
Stroke
2.9%

Frequently Asked Questions 5

What is the population of Hamilton Square, NJ? ▼
Hamilton Square, NJ has a population of 12,784 people, located in Mercer County, New Jersey.
What is the median household income in Hamilton Square? ▼
The median household income in Hamilton Square, NJ is $138,162 per year, per the U.S. Census ACS. The poverty rate is 2.2%.
What is the median home value in Hamilton Square? ▼
The median home value in Hamilton Square, NJ is $397,000. Median rent is $2,139/month.
What are the top health concerns in Hamilton Square? ▼
The top health indicators in Hamilton Square include Short Sleep Duration (32.6%), High Blood Pressure (30.4%), Obesity (22.5%). Data from CDC PLACES.
What is the median age in Hamilton Square? ▼
The median age in Hamilton Square, NJ is 44.9 years. 46.4% of residents have a bachelor's degree or higher.

Safety Context

Hamilton Square, NJ is located in Mercer County, New Jersey. With a population of 13K and a $138,162 median household income, the community faces health challenges including short sleep duration and high blood pressure. Safety alerts for the Hamilton Square area are monitored from federal and state agencies including FEMA, NOAA, FDA, and CPSC.

Safety Guides

How Product Recalls Work

CPSC, FDA & NHTSA recall process explained

Understanding Weather Alerts

Watch vs warning vs advisory explained

Earthquake Magnitude Explained

What the numbers mean & when to act
All safety guides →

Primary source data

EPA Outdoor Air Quality Data

Federal monitoring network, every measurement we report

AirNow - New Jersey

Real-time AQI for every monitored New Jersey location

National Weather Service

NOAA active watches, warnings, advisories

CDC Air Quality & Health

Health-impact reference for every AQI category

EPA NAAQS standards

National Ambient Air Quality Standards, the regulatory thresholds

Nearby Cities 8

Mercerville-Hamilton Square, NJ 26K Mercerville, NJ 13K Trenton, NJ 90K Princeton, NJ 30K Princeton Meadows, NJ 14K Ewing, NJ 37K Levittown, PA 53K Franklin Park, NJ 13K
All cities in New Jersey → Compare Hamilton Square vs Mercerville-Hamilton Square → All comparisons → Browse all cities

Using Hamilton Square's profile

Use this as a starting research checklist, not a verdict on whether to live here.

  • Check live recalls, weather and hazard alerts scoped to the Hamilton Square area before relying on national headlines. Check your area
  • Read the poverty rate alongside the income figure, two places with the same median can have very different realities.
  • Compare Hamilton Square against New Jersey peers on any ranking lens. Explore New Jersey

Population and economics (income, home value, poverty, education) are place-level U.S. Census ACS; health is CDC PLACES; hospital counts reflect facilities in and around the city.

Data Sources

All data on this page comes from official U.S. government sources. Population and economic data from the Census Bureau American Community Survey (2024 5-year estimates, place geography). Health data from the CDC PLACES program (2023). Hospital ratings from CMS Hospital Compare (2024). Climate data from NOAA. Education data from NCES. Cost of living from Bureau of Economic Analysis. Crime statistics, where referenced on Areazine, originate from the FBI Crime Data Explorer. Housing market figures referenced on Areazine come from HUD Fair Market Rents. Census economics and population are at place geography; some health and hospital indicators are reported at the county level (Mercer County) where that is the smallest published unit.

Every figure on Areazine is published directly from official U.S. government sources, no number is typed in by an editor. City demographic and health figures are compiled directly from U.S. Census, CDC, and CMS releases, updated quarterly within 30 days of upstream release. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.