Westfield, New Jersey

Westfield population, 2020 to 2024

Westfield added 1,152 residents from July 2020 to July 2024, a change of +3.7%. In the latest year it moved by +986. Among 194 New Jersey places of 5,000 or more, that growth ranks 35th; the median place changed by +1.8%. The median place of 5,000+ in New Jersey has 11,231 people, so Westfield is 2.9 times that size.

Westfield covers 6.72 square miles of land and 0.02 of water, for 4,769 people per square mile of land. The median New Jersey place of 5,000+ has 4,474, so Westfield is close to the typical town.

What county Westfield is in

All of Westfield's residents live in Union County, which had 594,160 residents in 2024. Westfield holds 5.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Westfield

1 ZIP Code Tabulation Area (ZCTA) overlaps Westfield by at least 10% of the ZCTA's or the town's land: 07090. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Westfield is

The Census internal point of Westfield is at 40.651600, -74.343400. Trenton, the capital, is 36.8 miles SW in a straight line. The nearest larger place is Plainfield, NJ (56,507 people), 4.5 miles away. The nearest city of 100,000 or more is Elizabeth, NJ, 8.0 miles away.

Daylight in Westfield

At 40.65° N, Westfield 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 50 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Westfield

The eight nearest incorporated places of 1,000+ in New Jersey, measured between internal points. The closest is Garwood, 1.1 miles away, with 5,346 people.