Mendham Borough is a borough in Morris County, New Jersey, home to about 4,973 people across 5.9 square miles. Its ZIP code is 07945.
Homes sold for a median of $389 per square foot in the three months ending August 2026, a seller’s market.
Mostly Mendham Borough; also Mendham Township and Randolph
Each card is that ZIP code’s whole market, including any part outside Mendham Borough. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mendham Borough’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Newark Liberty International Airport (EWR)23 miles away |
|---|---|
| Nearest city of 250,000+ | Newark, NJ23 miles away |
| Nearest city of 1 million+ | New York, NY36 miles away |
Straight-line distances from the center of Mendham Borough; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mendham Borough had 4,981 residents in the 2020 census, down 2% since 2000.
It’s the 375th largest of 565 towns in New Jersey by population.
Morris County grew from 65,156 residents in 1900 to 509,285 in 2020.
Morris County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 21°F. About 45.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Somerville Somerset Ap, NJ weather station (11 miles away).
301,249 jobs at 16,518 businesses in Morris County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
131 doctors and other health care providers list an office in Mendham Borough.
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Specialist doctors | 12 |
| Dentists | 6 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 65 |
| Physical and occupational therapists | 22 |
| Optometrists | 4 |
| Chiropractors | 4 |
| Pharmacies | 3 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores (1 nearby)
Libraries (1 nearby)
Theaters and performance venues
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Mendham Borough School District, West Morris Regional High School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hilltop SchoolMendham | Pre-K–4 | 289 | Public | 0.3 mi |
| Mountain View SchoolMendham | 5–8 | 208 | Public | 0.2 mi |
| West Morris Mendham High SchoolMendham | 9–12 | 1,012 | Public | 0.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Westmont Montessori SchoolMendham | Pre-K–K | 12 | Nonsectarian | 2.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mendham Township and Randolph.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.