Census place 3460900

Princeton

A Census profile of the people, homes, and daily patterns that shape this place.

Relocation snapshot

What stands out in Princeton.

According to the 2025 estimate, Princeton has a population of 31,469 and 1,754 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 117 covered New Jersey places are: median home value is $1,050,600, above the comparison median of $471,600; median household income is $192,079, above the comparison median of $97,993; and population density is 1,754/sq mi, below the comparison median of 5,839/sq mi. These unweighted medians compare covered Census places and are not statewide estimates.

median home value
$1,050,600
Above the comparison median of $471,600
median household income
$192,079
Above the comparison median of $97,993
population density
1,754/sq mi
Below the comparison median of 5,839/sq mi

National context

Follow the metrics.

Compare Princeton's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
31,469
2025 estimate
Annual change
+0.1%
Population estimate
Density
1,754/sq mi
17.9 sq mi land area
Median age
28.5 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$192,079
Median home value
$1,050,600
Median gross rent
$2,636
Bachelor’s degree or higher
84.7%
Typical commute
24.2 min
Drive-alone commute
32.1%
Public transit commute
7.7%
Walked to work
19.9%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
44.6%
Renters paying 30%+ of income
36%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
60.5%
Unemployed residents 16+
2.7%
Working from home
32.7%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
93.4%
Homes built 2020+
2.7%
Households without a vehicle
11.9%
Households with children
35.6%
Residents with a disability
6.6%
Residents without insurance
1.8%

Environmental context

A record of declared events.

FEMA declarations for Mercer County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
17
Hurricane declarations
7
Severe Storm declarations
7
Snowstorm declarations
2

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: TRENTON-MERCER AP (9 mi from place center)
Average high
63.4°F
Average low
44.8°F
Annual rainfall
45.6"
Annual snowfall
26.6"

Month by month

A year in Princeton.

Typical high and low °F
20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Harrison, NY

Population, housing, work, and travel data for this Census place.

Population
32,273
Median home
$1,010,700

Camas, WA

Population, housing, work, and travel data for this Census place.

Population
27,749
Median home
$711,700

Happy Valley, OR

Population, housing, work, and travel data for this Census place.

Population
28,916
Median home
$725,300

Keep exploring

Compare Princeton with Harrison