07945 ZIP Code — Mendham, NJ

Morris County, New Jersey

ZIP code 07945 is located in Mendham, New Jersey, within Morris County. It covers approximately 19.48 square miles and serves a population of 9,698 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 862/973.

About ZIP code 07945

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $883,100. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($234,150) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 20% of workers work from home.

Educational attainment is high — 76% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 07945 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

9,698

population

19.48

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

07945 ZIP code map

Cities in ZIP code 07945

Below are the cities the US Postal Service accepts for ZIP code 07945. Using any city not on this list may result in mail delivery delays.

City	Status
Mendham	Acceptable
Mendham	Preferred

Nearby ZIP codes

07869 Randolph (3.9 mi) 07924 Bernardsville (4.2 mi) 07930 Chester (4.6 mi) 07960 Morristown (5.2 mi) 07876 Succasunna (5.7 mi) 07931 Far Hills (6 mi) 07939 Lyons (6.1 mi) 07803 Mine Hill (6.4 mi) 07950 Morris Plains (6.7 mi) 07934 Gladstone (6.9 mi) 07806 Picatinny Arsenal (6.9 mi) 07847 Kenvil (7 mi)

Demographics updated 05/2026

Population
Total population	9,698
Population density	498 / sq mi
State FIPS	34
County FIPS	027

Geography
Land area	19.48 sq mi
Water area	0.30 sq mi
Latitude	40.7870
Longitude	-74.5939
Timezone	Eastern (ET)
Area code	862/973

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.6%	19.3%	30.2%
$50k – $100k	10.8%	23.7%	26.7%
$100k – $200k	30.4%	32.6%	28.3%
Over $200k	48.2%	24.4%	14.8%

Demographics & statistics

9,698

Population

498

People per sq mi

47.0

Median age

$234,150

Median household income

$106,098

Per capita income

$883,100

Median home value

$2,833

Median monthly rent

90.1%

Home ownership

1.9%

Poverty rate

2.6%

Unemployment

3,122

Housing units

76.0%

Bachelor's or higher

Age distribution

Male Female

190

Under 5

209

263

5–9

291

341

10–14

377

368

15–19

406

275

20–24

303

312

25–34

344

410

35–44

452

938

45–54

1,036

387

55–59

427

306

60–64

338

398

65–74

439

231

75–84

256

191

85+

210

← Male

Female →

Age summary

Group	Count	%
Under 18	2,123	21.9%
18 and over	7,575	78.1%
65 and over	1,725	17.8%
Median age	47.0 years

Race & ethnicity

White 81.6%

Two or more races 5.7%

Hispanic or Latino 5.3%

Asian 4.8%

Other race 2.1%

Black or African American 0.4%

Group	Count	%
White	8,356	81.6%
Two or more races	585	5.7%
Hispanic or Latino	546	5.3%
Asian	493	4.8%
Other race	220	2.1%
Black or African American	44	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.6%	19.3%	30.2%
$50k – $100k	10.8%	23.7%	26.7%
$100k – $200k	30.4%	32.6%	28.3%
Over $200k	48.2%	24.4%	14.8%

Under $10k 1.0%

$10k–$15k 0.5%

$15k–$25k 0.7%

$25k–$35k 1.2%

$35k–$50k 3.1%

$50k–$75k 4.0%

$75k–$100k 4.8%

$100k–$150k 12.2%

$150k–$200k 16.2%

$200k+ 56.3%

Range	% of households
Under $10k	1.0%
$10k–$15k	0.5%
$15k–$25k	0.7%
$25k–$35k	1.2%
$35k–$50k	3.1%
$50k–$75k	4.0%
$75k–$100k	4.8%
$100k–$150k	12.2%
$150k–$200k	16.2%
$200k+	56.3%
Median income	$234,150

Housing

Home values

$50k–$100k 0.2%

$100k–$150k 1.7%

$200k–$300k 1.2%

$300k–$500k 7.6%

$500k–$1M 52.1%

$1M+ 37.2%

Housing overview

Metric	Value
Median home value	$883,100
Median rent / month	$2,833
Owner occupied	90.1%
Renter occupied	9.9%
Vacant	2.0%
Single-family detached	88.2%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	0.0%
2010–2019	0.5%
2000–2009	10.2%
1990–1999	13.9%
1980–1989	9.6%
1970–1979	25.9%
1960–1969	14.3%
1950–1959	9.0%
1940–1949	5.6%
1939 or earlier	10.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.2%
2 bedrooms	10.3%
3 bedrooms	18.4%
4 bedrooms	39.0%
5+ bedrooms	29.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	16.8%
2 vehicles	49.0%
3 or more	32.4%

Heating fuel

Fuel type	%
Utility gas	81.9%
Electricity	11.0%
Propane / LP gas	1.7%
Fuel oil	5.2%

Households & families

Household type	Count	%
Married-couple family	2,348	69.3%
Cohabiting couple	43	1.3%
Male householder, no spouse	510	15.0%
Female householder, no spouse	489	14.4%
Households with children under 18	1,146	33.8%
Households with seniors (65+)	1,059	31.2%
Average household size	2.79

Marital status

Status	Male	Female
Never married	20.1%	28.7%
Married	69.9%	58.0%
Separated	0.6%	0.5%
Widowed	2.6%	6.1%
Divorced	6.8%	6.6%

Education

Less than 9th grade 0.7%

Some HS, no diploma 0.4%

HS graduate 9.4%

Some college, no degree 9.1%

Associate's degree 4.3%

Bachelor's degree 38.8%

Graduate / professional 37.2%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	76.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	149	6.1%
Kindergarten	128	5.2%
Elementary school	1,009	41.0%
High school	710	28.9%
College / grad school	465	18.9%

Employment

Industry of employment

Education & healthcare 20.7%

Professional & management 20.0%

Finance & real estate 17.4%

Manufacturing 9.7%

Retail trade 6.9%

Other services 5.9%

Arts, food & hospitality 5.8%

Information 3.8%

Wholesale trade 2.8%

Construction 2.6%

Transportation & utilities 2.3%

Public administration 1.3%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	66.8%
Service	7.8%
Sales & office	20.3%
Natural resources & construction	2.1%
Production & transportation	3.0%

Employment type

Type	%
Private sector	79.0%
Government	12.5%
Self-employed	8.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.2%
Carpool	1.2%
Public transit	3.8%
Walk	0.7%
Work from home	20.1%
Other means	5.0%
Avg commute (minutes)	37.6

Poverty

All people 1.9%

Under 18 years 0.6%

18 and over 2.2%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	26.3%
Retirement income	21.3%
Supplemental Security	1.6%
Cash public assistance	1.0%
Food stamps / SNAP	0.8%

Health indicators

Condition	%
Obesity	19.8%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	7.4%
Heart disease	5.5%
Stroke	2.2%
Asthma	7.9%
Arthritis	20.6%
Kidney disease	2.3%
Pulmonary disease	4.2%
Cancer	8.1%

Behavior / access	%
Smoking	8.1%
Binge drinking	16.3%
No physical activity	12.3%
Less than 7 hrs sleep	27.3%
Depression	16.1%
Fair or poor health	7.3%
Poor mental health	11.0%
Poor physical health	6.5%
No health insurance	7.0%
Visited doctor (checkup)	75.7%
Visited dentist	79.8%
Cholesterol screening	0.0%
Teeth loss	5.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	209	2.8%

Disability	%
Any disability	7.3%
Under 18	4.4%
18–64 years	3.4%
65 and over	25.1%

Health insurance coverage

Type	%
Private insurance	91.1%
Public insurance	19.6%
No insurance	1.0%
Uninsured under 19	0.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,299	95.9%
Spanish	144	1.5%
Other Indo-European	7	0.1%
Asian & Pacific Islander	78	0.8%
Other languages	59	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,576	88.4%
Born in same state	8,412	86.7%
Born in different state	5,426	55.9%
Foreign born	164	1.7%
Naturalized citizen	1,122	11.6%
Not a US citizen	679	60.5%

Ancestry

Ancestry	Count	%
Italian	2,284	23.6%
French	959	9.9%
Arab	580	6%
English	220	2.3%
Irish	124	1.3%

Ancestry	Count	%
Polish	100	1%
Dutch	48	0.5%
Norwegian	39	0.4%
German	7	0.1%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 07945

What city is ZIP code 07945 in?

ZIP code 07945 is primarily assigned to Mendham, New Jersey.

What county is ZIP code 07945 in?

ZIP code 07945 falls within Morris County, New Jersey.

How educated is the population of ZIP code 07945?

76% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 07945 mostly owner-occupied?

90% of occupied units in ZIP code 07945 are owner-occupied, well above the national average.

What is the median household income in ZIP code 07945?

The median household income in ZIP code 07945 is $234,150, above the national median of ~$75,000.

What is the typical home value in ZIP code 07945?

The median home value in ZIP code 07945 is $883,100.

What timezone is ZIP code 07945 in?

ZIP code 07945 observes the EST timezone.