Mountain Lakes ZIP Codes — Morris County, NJ

There is one unique ZIP code in Mountain Lakes, New Jersey and it is 07046. Area code: 973/862.

ZIP codes

2.66

sq mi land

0.27

sq mi water

973/862

area code

Mountain Lakes, NJ ZIP code map

About Mountain Lakes, NJ

Mountain Lakes is a picturesque borough located in New Jersey, celebrated for its serene landscapes and charming community. Nestled in Morris County, the area boasts a combination of natural beauty and suburban character. This small yet vibrant community is an ideal place for families and individuals seeking a peaceful environment with access to local amenities.

Location & geography

Mountain Lakes is situated approximately 30 miles west of New York City, making it a convenient location for commuters. It is bordered by the nearby towns of Parsippany-Troy Hills, Boonton Township, and Denville, with distances ranging from 3 to 5 miles. The borough spans 2.66 square miles of land and includes a water area of 0.27 square miles, contributing to its scenic charm.

Community & economy

The character of Mountain Lakes is defined by its close-knit community and an emphasis on outdoor recreation, enhanced by trails and the beautiful lakes that dot the landscape. Local industries primarily include services and small businesses that cater to residents, providing a supportive and engaging atmosphere for daily life. The borough also hosts a variety of community events and recreational activities that foster a strong sense of belonging among its residents.

Transportation

Transportation in Mountain Lakes is facilitated by access to Route 46 and I-287, making travel to nearby cities and attractions efficient. The nearest major airport is Morristown Municipal Airport, located approximately 12 miles away, providing access for both private and commercial flights. Public transportation options are available, including NJ Transit services that connect to larger metropolitan areas.

History

Mountain Lakes was founded in the early 20th century as a planned community with a strong focus on preserving its natural surroundings. Historically, the area developed around its beautiful lakes and forests, which attracted visitors and residents alike. Key industries in the early days involved tourism and local services, contributing to the borough's growth and establishment as a desirable residential area.

Did you know?

A little-known fact about Mountain Lakes is that it was originally developed as a resort area in the 1900s, aimed at affluent New Yorkers. Additionally, the borough is home to a unique architectural style that features many houses designed in the 'American Craftsman' style, reflecting the community's rich cultural heritage.

ZIP codes for Mountain Lakes, NJ (1)

ZIP code	City	County	Map
07046	Mountain Lakes	Morris	View map

Demographics & statistics

4,499

Population

43.7

Median age

$250,001

Median household income

$104,161

Per capita income

$869,800

Median home value

$3,501

Median monthly rent

96.2%

Home ownership

1.3%

Poverty rate

2.6%

Unemployment

1,432

Housing units

80.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

246

5–9

225

290

10–14

264

207

15–19

189

118

20–24

108

25–34

256

35–44

234

550

45–54

503

167

55–59

153

117

60–64

107

155

65–74

141

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,525	33.9%
18 and over	2,974	66.1%
65 and over	502	11.2%
Median age	43.7 years

Race & ethnicity

White 81.4%

Asian 13%

Two or more races 3.9%

Hispanic or Latino 1.5%

Other race 0.3%

Group	Count	%
White	3,717	81.4%
Asian	592	13%
Two or more races	176	3.9%
Hispanic or Latino	70	1.5%
Other race	14	0.3%

Household income

Under $10k 2.0%

$25k–$35k 2.6%

$35k–$50k 2.9%

$50k–$75k 3.5%

$75k–$100k 5.7%

$100k–$150k 6.4%

$150k–$200k 13.7%

$200k+ 63.3%

Range	% of households
Under $10k	2.0%
$25k–$35k	2.6%
$35k–$50k	2.9%
$50k–$75k	3.5%
$75k–$100k	5.7%
$100k–$150k	6.4%
$150k–$200k	13.7%
$200k+	63.3%
Median income	$250,001

Housing

Home values

$100k–$150k 2.8%

$200k–$300k 1.0%

$300k–$500k 2.1%

$500k–$1M 55.9%

$1M+ 38.2%

Housing overview

Metric	Value
Median home value	$869,800
Median rent / month	$3,501
Owner occupied	96.2%
Renter occupied	3.8%
Vacant	3.8%
Single-family detached	92.6%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.18

Year built

Era	%
2020 or later	0.0%
2010–2019	5.0%
2000–2009	3.8%
1990–1999	5.7%
1980–1989	5.6%
1970–1979	3.7%
1960–1969	6.1%
1950–1959	11.0%
1940–1949	14.3%
1939 or earlier	44.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	0.0%
2 bedrooms	3.1%
3 bedrooms	23.1%
4 bedrooms	35.7%
5+ bedrooms	37.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	14.6%
2 vehicles	53.1%
3 or more	31.9%

Heating fuel

Fuel type	%
Utility gas	84.1%
Electricity	5.8%
Fuel oil	9.3%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	1,057	73.9%
Cohabiting couple	62	4.3%
Male householder, no spouse	74	5.2%
Female householder, no spouse	237	16.6%
Households with children under 18	808	56.5%
Households with seniors (65+)	396	27.7%
Average household size	3.15

Marital status

Status	Male	Female
Never married	24.2%	19.4%
Married	67.2%	60.9%
Separated	0.0%	0.0%
Widowed	1.4%	8.6%
Divorced	7.1%	11.1%

Education

Less than 9th grade 1.3%

Some HS, no diploma 1.0%

HS graduate 9.7%

Some college, no degree 5.1%

Associate's degree 2.5%

Bachelor's degree 41.2%

Graduate / professional 39.3%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	80.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	105	6.3%
Kindergarten	30	1.8%
Elementary school	930	55.5%
High school	396	23.6%
College / grad school	214	12.8%

Employment

Industry of employment

Professional & management 23.7%

Finance & real estate 21.0%

Education & healthcare 16.7%

Manufacturing 12.7%

Other services 9.3%

Information 4.3%

Arts, food & hospitality 3.6%

Retail trade 3.1%

Construction 2.2%

Public administration 1.6%

Transportation & utilities 1.2%

Wholesale trade 0.7%

Occupation

Category	%
Management, business & arts	74.3%
Service	4.9%
Sales & office	13.4%
Natural resources & construction	6.2%
Production & transportation	1.2%

Employment type

Type	%
Private sector	84.8%
Government	6.8%
Self-employed	7.6%
Unpaid family workers	0.9%

Commute

Method	%
Drive alone	59.8%
Carpool	3.9%
Public transit	6.1%
Walk	0.3%
Other means	0.0%
Avg commute (minutes)	34.3

Poverty

All people 1.3%

Under 18 years 0.0%

18 and over 2.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	22.9%
Retirement income	23.7%
Supplemental Security	2.4%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	0.0%
High cholesterol	0.0%
Heart disease	4.5%
Stroke	1.8%
Asthma	7.6%
Arthritis	17.8%
Kidney disease	2.0%
Pulmonary disease	3.3%
Cancer	6.9%

Behavior / access	%
Binge drinking	16.7%
No physical activity	10.7%
Less than 7 hrs sleep	27.1%
Fair or poor health	6.0%
Poor mental health	10.5%
Poor physical health	5.6%
No health insurance	5.9%
Visited doctor (checkup)	74.8%
Visited dentist	81.6%
Cholesterol screening	0.0%
Teeth loss	4.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	45	1.5%

Disability	%
Any disability	5.5%
Under 18	2.5%
18–64 years	3.0%
65 and over	26.9%

Health insurance coverage

Type	%
Private insurance	93.9%
Public insurance	11.6%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,339	96.4%
Spanish	141	3.2%
Other Indo-European	21	0.5%
Asian & Pacific Islander	61	1.4%
Other languages	59	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,833	85.2%
Born in same state	3,761	83.6%
Born in different state	2,306	51.3%
Foreign born	72	1.6%
Naturalized citizen	666	14.8%
Not a US citizen	397	59.6%

Ancestry

Ancestry	Count	%
Italian	1,141	25.4%
French	427	9.5%
Irish	202	4.5%
Arab	199	4.4%

Ancestry	Count	%
Dutch	66	1.5%
English	52	1.2%
German	12	0.3%

Technology access

Metric	% of households
Computer access	31.8%
Internet access	99.2%

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

Frequently asked questions

What ZIP codes does Mountain Lakes, NJ have?

Mountain Lakes, NJ has one ZIP code: 07046. Each ZIP code serves a distinct delivery area within the city and surrounding region.