North Plainfield, New Jersey

North Plainfield population, 2020 to 2024

North Plainfield added 323 residents from July 2020 to July 2024, a change of +1.4%. In the latest year it moved by +294. Among 194 New Jersey places of 5,000 or more, that growth ranks 129th; the median place changed by +1.8%. The median place of 5,000+ in New Jersey has 11,231 people, so North Plainfield is 2.1 times that size.

North Plainfield covers 2.81 square miles of land, for 8,211 people per square mile of land. The median New Jersey place of 5,000+ has 4,474, so North Plainfield is denser than the typical town.

What county North Plainfield is in

All of North Plainfield's residents live in Somerset County, which had 357,467 residents in 2024. North Plainfield holds 6.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in North Plainfield

3 ZIP Code Tabulation Areas (ZCTAs) overlap North Plainfield by at least 10% of the ZCTA's or the borough's land: 07060, 07062, 07063. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a borough that annexed land after 2020 may reach into ZIP codes not listed here.

Where North Plainfield is

The Census internal point of North Plainfield is at 40.621300, -74.439500. Trenton, the capital, is 32.3 miles SSW in a straight line. The nearest larger place is Plainfield, NJ (56,507 people), 1.3 miles away. The nearest city of 100,000 or more is Elizabeth, NJ, 13.3 miles away.

Daylight in North Plainfield

At 40.62° N, North Plainfield gets about 15 h 05 min of daylight around the June solstice and 9 h 16 min around the December solstice, a swing of 5 h 49 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near North Plainfield

The eight nearest incorporated places of 1,000+ in New Jersey, measured between internal points. The closest is Plainfield, 1.3 miles away, with 56,507 people.