Housing data for Mendham Borough, NJ

Mendham Borough, NJ has an estimated 4,973 residents and 1,856 homes (US Census Bureau, 2020–2024 American Community Survey).

It is a borough in Morris County.

14.1% of households rent.

The median gross rent is $3,500 or more a month.

Its population grew measurably since 2015–2019 (+1.1%).

Figures last updated on .

Residents
4,973 (±17)
Housing units
1,856 (±125)
Households that rent
14.1%
Median gross rent
$3,500 or more
Residents since 2015–2019
+1.1%

What stands out in Mendham Borough

Homes heated by fuel oil: 3.1% (±2.0 points) in Mendham Borough, lower than in Morris County (13.9%).

Homes in buildings of 5 or more units: 4.5% (±3.2 points) in Mendham Borough, lower than in Morris County (19.2%).

Median household income: $211,944 (±$53,353) in Mendham Borough, higher than in Morris County ($137,326).

Median home value: $819,800 (±$71,723) in Mendham Borough, higher than in Morris County ($582,500).

Housing in Mendham Borough at a glance

Mendham Borough against Morris County, its state and the nation

Estimate (90% margin of error)
Mendham BoroughMorris CountyNew JerseyUnited States
Residents4,973 (±17)514,528 (exact)9,343,809 (exact)334,922,499
Housing units1,856 (±125)199,506 (±100)3,791,354 (±469)143,775,355
Households that rent14.1% (±4.7 points)25.7% (±0.8 points)36.2% (±0.2 points)34.8%
Median gross rent$3,500 or more$1,904 (±$30)$1,720 (±$7)$1,413
Median household income$211,944 (±$53,353)$137,326 (±$2,991)$103,556 (±$513)$80,734
Median home value$819,800 (±$71,723)$582,500 (±$5,640)$454,400 (±$1,150)$332,700
Median real estate taxes (a year)$10,000 or more$10,000 or more$9,590 (±$25)$3,119
Built before 198073.0% (±10.5 points)62.4% (±1.4 points)62.8% (±0.3 points)49.7%
Average commute34.5 minutes (±3.7)29.8 minutes (±0.4)30.5 minutes (±0.1)26.4 minutes
Households with broadband96.4% (±2.6 points)95.2% (±0.4 points)92.8% (±0.1 points)91.0%
Median age of residents46.5 years (±2.6)42.6 years (±0.2)40.1 years (±0.1)38.9 years

Mendham Borough covers 5.9 square miles of land, about 839 residents per square mile (Census Bureau Gazetteer).

How Mendham Borough has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
2015–20192020–2024Amount of changeVerdict
Residents4,917 (±20)4,973 (±17)+1.1%Measurable increase
Housing units1,845 (±98)1,856 (±125)+0.6%Not a measurable change
Median home value$662,300 (±$28,217)$819,800 (±$71,723)+23.8%No measurable change after inflation
Median household income$151,875 (±$27,949)$211,944 (±$53,353)+39.6%No measurable change after inflation
Households that rent11.4% (±3.7 points)14.1% (±4.7 points)+2.7 percentage pointsNot a measurable change
Rental vacancy rate14.0% (±19.8 points)12.1% (±14.8 points)−1.9 percentage pointsNot a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Crime reported to police in Mendham Borough

In 2025, the Mendham Police Department reported 0 violent and 200 property crimes per 100,000 residents to the FBI.

ZIP codes in Mendham Borough

ZIP Code Tabulation Areas that cover this place (2020–2024 estimates)
ZIP codeShare of the ZIP’s land in this placeResidentsMedian gross rentMedian home valueMedian household income
0794530%9,690$3,500 or more$931,100$250,000 or more

A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.

Places near Mendham Borough

Nearest places with Census figures, by straight-line distance
PlaceDistanceMedian gross rentMedian home valueHouseholds that rent
Bernardsville Borough2.6 mi$2,297$793,8005.4%
Brookside2.6 mi$3,500 or more$885,10010.9%
Mendham Township2.8 mi$3,500 or more$1,070,4004.3%
Peapack and Gladstone Borough4.6 mi$1,820$868,80020.4%
Chester Township4.7 mi$2,787$790,9003.6%
Basking Ridge4.7 mi$546$851,20016.1%
Chester Borough5.1 mi$1,344$659,80020.9%
Randolph Township5.2 mi$1,808$670,70022.2%

HUD Fair Market Rent for Mendham Borough, fiscal year 2027

Newark, NJ HUD Metro FMR Area, dollars a month
Studio1 bedroom2 bedrooms3 bedrooms4 bedrooms
$1,637$1,850$2,233$2,785$3,188

HUD income limits for Mendham Borough, fiscal year 2026

Newark, NJ HUD Metro FMR Area, annual household income
Household sizeExtremely low (30%)Very low (50%)Low (80%)
1 person$29,050$48,450$74,800
2 people$33,200$55,400$85,450
3 people$37,350$62,300$96,150
4 people$41,500$69,200$106,800
5 people$44,850$74,750$115,350
6 people$48,150$80,300$123,900
7 people$51,500$85,850$132,450
8 people$55,720$91,350$141,000

These are the limits HUD sets for its housing programs in the Newark, NJ HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $138,400.

A program can use its own limits; tax-credit and local programs often do.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Mendham Borough

What is the average rent in Mendham Borough, NJ?

The Census Bureau publishes the median rather than the average: the median gross rent in Mendham Borough is $3,500 or more a month (2020–2024 American Community Survey), so half of renting households pay less and half pay more.

How much is a one-bedroom apartment in Mendham Borough?

The median gross rent for a one-bedroom home in Mendham Borough, NJ is $764 (±$284) a month (2020–2024 American Community Survey).

How many renters are there in Mendham Borough?

Mendham Borough has an estimated 254 (±91) renting households, 14.1% of its occupied homes (2020–2024 American Community Survey).

What is the median household income in Mendham Borough?

The median household income in Mendham Borough is $211,944 (±$53,353) a year (2020–2024 American Community Survey).

What is the average home value in Mendham Borough, NJ?

The Census Bureau publishes the median: $819,800 (±$71,723) for owner-occupied homes in Mendham Borough (2020–2024 American Community Survey).

What is the average mortgage payment in Mendham Borough?

The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Mendham Borough, NJ is $4,000 or more a month, including taxes, insurance and utilities.

Is Mendham Borough growing?

In Mendham Borough, the number of residents went from 4,917 in 2015–2019 to 4,973 in 2020–2024 (+1.1%), a measurable increase.

What ZIP codes are in Mendham Borough?

The ZIP code that covers Mendham Borough is 07945.

What is the median rent in ZIP code 07945?

The median gross rent in ZIP Code Tabulation Area 07945 is $3,500 or more a month (2020–2024 American Community Survey).

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Mendham borough, Morris County, New Jersey (county subdivision:45330, in state:34 county:027).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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