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Mendham, NJ

Borough in Morris County, New Jersey. ZIP codes: 07945.

Population

4,973

Land area

5.9sq mi

People per sq mi

839

ZIP codes

1

Mendham and its ZIP codes

Mendham at a glance

  • Mendham is 34% less dense than New Jersey as a whole.
  • The median household income is $211,944, about 2 times the New Jersey median of $103,556.
  • A typical owner-occupied home is valued at $819,800 (80% above New Jersey) and median rent is more than $3,500 a month.

Local data for Mendham, NJ

Counts from official public data

Housing and community stats

Mendham, NJ, American Community Survey 2020-2024

Full profile

Median household income

$211,944

Poverty rate

3.5%

Median home value

$819,800

Median rent

$3,500+/mo

Homeownership

85.9%

Bachelor's or higher

80.7%

Median age

46.5

Average commute

34.5 min

Largest reported origins and ancestries: Irish Americans (1,127), German Americans (1,026), Italian Americans (932).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Morris County. PPP loans are for Mendham.

Details

Unemployment rate

3.9%

Aug 2026, -1.0 pts in a year

Average annual pay

$104,045

301,376 jobs, 2025

Income per person

$119,713

BEA, 2024

Federal spending

$3.7B

FY 2026, $7,234 per person

PPP loans

$19.2M

330 loans, 1,978 jobs reported

Morris County economyFederal spendingPPP loans

How people get to work

Mendham, NJ, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone54.6%
  • Carpooled4.2%
  • Public transit3.9%
  • Walked2.2%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other1.8%
  • Worked from home33.4%

Average one-way commute: 34.5 minutes for people who do not work from home.

Environment and hazard risk

Mendham, NJ, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

1,287

Countywide, mostly thunderstorm wind

Flood insurance policies

2,195

1.5% of homes, county

July high / Jan low

86° / 21°F

45.5 inches of rain a year

Hazards, floods and storm historyCheck a flood zone1 historic places

Health statistics

Share of adults in Mendham, NJ, CDC PLACES estimates

All 40 measures

Obesity

20.6%

U.S. 33.3% -12.7 pts

Diabetes

7.9%

U.S. 12.1% -4.2 pts

Smoking

5.8%

U.S. 12.8% -7.0 pts

Uninsured (18-64)

4.3%

U.S. 11.1% -6.8 pts

ZIP codes in Mendham

1 in or overlapping Mendham. Population shown

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Cities near Mendham

Frequently asked questions

What county is Mendham, NJ in?
Mendham is in Morris County, New Jersey.
What ZIP codes are in Mendham, NJ?
ZIP codes in or overlapping Mendham include 07945.
What is the population of Mendham, NJ?
About 4,973 people live in Mendham, based on American Community Survey 5-year estimates.
What cities are near Mendham?
Nearby places include Brookside (2.6 mi), Bernardsville (3 mi), Peapack and Gladstone (4.6 mi), Chester (5 mi), Basking Ridge (5.1 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023