Princeton, New Jersey

Princeton population, 2020 to 2024

Princeton added 816 residents from July 2020 to July 2024, a change of +2.7%. In the latest year it moved by +815. Among 194 New Jersey places of 5,000 or more, that growth ranks 60th; the median place changed by +1.8%. The median place of 5,000+ in New Jersey has 11,231 people, so Princeton is 2.8 times that size.

Princeton covers 17.95 square miles of land and 0.47 of water, for 1,752 people per square mile of land. The median New Jersey place of 5,000+ has 4,474, so Princeton is less dense than the typical town.

What county Princeton is in

All of Princeton's residents live in Mercer County, which had 392,138 residents in 2024. Princeton holds 8.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Princeton

3 ZIP Code Tabulation Areas (ZCTAs) overlap Princeton by at least 10% of the ZCTA's or the place's land: 08540, 08542, 08544. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a place that annexed land after 2020 may reach into ZIP codes not listed here.

Where Princeton is

The Census internal point of Princeton is at 40.358200, -74.666700. Trenton, the capital, is 10.6 miles SSW in a straight line. The nearest larger place is Trenton, NJ (91,193 people), 10.6 miles away. The nearest city of 100,000 or more is Elizabeth, NJ, 32.7 miles away.

Daylight in Princeton

At 40.36° N, Princeton gets about 15 h 03 min of daylight around the June solstice and 9 h 17 min around the December solstice, a swing of 5 h 46 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Princeton

The eight nearest incorporated places of 1,000+ in New Jersey, measured between internal points. The closest is Hopewell, 5.5 miles away, with 1,938 people.