Mendham, New Jersey

Mendham population, 2020 to 2024

Mendham added 43 residents from July 2020 to July 2024, a change of +0.9%. In the latest year it moved by +10. Among 194 New Jersey places of 5,000 or more, that growth ranks 156th; the median place changed by +1.8%. The median place of 5,000+ in New Jersey has 11,231 people, so Mendham is 45% of it.

Mendham covers 5.93 square miles of land and 0.05 of water, for 843 people per square mile of land. The median New Jersey place of 5,000+ has 4,474, so Mendham is less dense than the typical town.

What county Mendham is in

All of Mendham's residents live in Morris County, which had 523,053 residents in 2024. Mendham holds 1.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Mendham

1 ZIP Code Tabulation Area (ZCTA) overlaps Mendham by at least 10% of the ZCTA's or the borough's land: 07945. 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 Mendham is

The Census internal point of Mendham is at 40.767300, -74.597800. Trenton, the capital, is 38.7 miles SSW in a straight line. The nearest larger place is Bernardsville, NJ (8,020 people), 2.5 miles away. The nearest city of 100,000 or more is Elizabeth, NJ, 22.3 miles away.

Daylight in Mendham

At 40.77° N, Mendham gets about 15 h 06 min of daylight around the June solstice and 9 h 15 min around the December solstice, a swing of 5 h 51 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Mendham

The eight nearest incorporated places of 1,000+ in New Jersey, measured between internal points. The closest is Bernardsville, 2.6 miles away, with 8,020 people.