US ZIP Code
07945

Mendham, NJ

Morris County  ·  New Jersey

● Active
👥 9,771 Population ↑ 8% since 2019
💰 $243,665 Median HH Income
▲ 219% above avg ↑ 33% since 2019
🎂 46.3 Median Age ↓ 3% since 2019
🏠 $894,200 Median Home Value
▲ 221% above avg ↑ 22% since 2019
🎓 81.5% College Grads
▲ 110% above avg
📊 2.4% Unemployment
▼ 51% below avg ↑ 56% since 2019
ZIP Code Details
ZIP Code07945
CityMendham
StateNew Jersey (NJ)
CountyMorris County
Area Code862/973
Elevation530 ft
Latitude40.780656
Longitude-74.601816
TimezoneNew York (DST)
FIPS34027
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.4% (4,634) Female 52.6% (5,137) ♀

Race & Ethnicity

White: 81.2%Hispanic: 5.8%Black: 0.2%Asian: 5.5%Other: 5.1%Race
White81.2%
Hispanic5.8%
Black0.2%
Asian5.5%
Other5.1%

Age Breakdown

Under 5
3%
5–17
19%
18–24
8%
25–44
16%
45–64
35%
65+
8%

Key Indicators

Median Age46.3 yrs ↓ 3% since 2019
Avg Household Size2.74
Below Poverty1.9% ▼ 81% below avg
College Grads81.5% ▲ 110% above avg
Unemployment2.4% ▼ 51% below avg
No HS Diploma17 (0.3%)
HS Graduate542 (8.2%)
Some College276 (4.2%)
Associates381 (5.8%)
Bachelors242 (3.7%)
Graduate Degree5,130 (77.9%)

Education

No HS: 0.3%HS Grad: 8.2%Some College: 4.2%Associates: 5.8%Bachelors: 3.7%Graduate: 77.9%Edu
No HS0.3%
HS Grad8.2%
Some College4.2%
Associates5.8%
Bachelors3.7%
Graduate77.9%
Housing & Income

Housing Tenure

Owner: 91.7%Renter: 8.3%Tenure
Owner91.7%
Renter8.3%

Home Value Distribution

$50k–100k
0%
$100k–150k
1%
$150k–200k
0%
$200k–300k
1%
$300k–500k
7%
Over $500k
91%

Financials

Median HH Income$243,665 ▲ 219% above avg ↑ 33% since 2019
Median Home Value$894,200 ▲ 221% above avg ↑ 22% since 2019
Home/Income Ratio3.7x (nat avg ~3.5x)
Median Rent$3,432/mo ↑ 126% since 2019
Total Units3,651
Vacant Units164
Avg HH Size2.74

Income Distribution

Under $25k
3%
$25k–50k
2%
$50k–75k
4%
$75k–100k
6%
$100k–150k
10%
$150k–200k
15%
Over $200k
60%
Employment & Commute

How People Get to Work

Drove Alone
64%
Public Transit
4%
Walked
1%
Work From Home
30%

Commute Time

Under 15 min
12%
15–30 min
30%
30–45 min
28%
Over 45 min
30%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
12%
1960s–1970s
20%
1980s–1990s
12%
2000+
53%

Summary

Total Units3,651
Vacant164
Owner Occupied91.7%
Renter Occupied8.3%
Avg HH Size2.74
Frequently Asked Questions
ZIP code 07945 is in Mendham, NJ, in Morris County.
ZIP code 07945 is located in New Jersey (NJ).
ZIP code 07945 is in Morris County, NJ.
ZIP 07945 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 07945 is 9,771 people (ACS 2023).
The median household income in ZIP code 07945 is $243,665 (ACS 2023).
The median home value in ZIP 07945 is $894,200 (ACS 2023).
About ZIP Code 07945

ZIP code 07945 is located in Mendham, New Jersey, within Morris County. With a population of 9,771, this is a lightly populated ZIP code with a mature community — the median age is 46.3 years. Economically, 07945 is a affluent ZIP code: the median household income of $243,665 is more than double the national average.

Real estate in ZIP code 07945 represents among the most expensive housing markets in the country. The median home value of $894,200 is more than double the national average. Renters can expect to pay around $3,432 per month in median rent. Homeownership is strong here — 91.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 22% since 2019.

The population of 07945 is primarily White (81.24%). Residents are highly educated — 81.5% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 1.9%. Household income has grown by 33% since 2019.

The unemployment rate in 07945 stands at 2.4%, which is well below the national average. A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 60%.

Overall, ZIP code 07945 in Mendham, NJ is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 9,771 residents, a median household income of $243,665, and a median home value of $894,200, it offers a clear picture of life in this part of New Jersey.