07046 ZIP Code — Mountain Lakes, NJ

Morris County, New Jersey

ZIP code 07046 is located in Mountain Lakes, New Jersey, within Morris County. It covers approximately 2.66 square miles and serves a population of 4,499 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 973/862.

About ZIP code 07046

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $869,800. Owner-occupancy is high at 96%, well above the national average.

The gap between median ($250,001) 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 professional and management as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 30% of workers work from home.

Educational attainment is high — 81% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 07046 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

4,499

population

2.66

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

07046 ZIP code map

Cities in ZIP code 07046

Below are the cities the US Postal Service accepts for ZIP code 07046. Using any city not on this list may result in mail delivery delays.

City	Status
Mountain Lakes	Acceptable
Mountain Lakes	Preferred

Nearby ZIP codes

07834 Denville (2.7 mi) 07005 Boonton (3.1 mi) 07054 Parsippany (3.3 mi) 07034 Lake Hiawatha (3.3 mi) 07045 Montville (4.1 mi) 07950 Morris Plains (4.2 mi) 07927 Cedar Knolls (5 mi) 07866 Rockaway (5.2 mi) 07082 Towaco (5.4 mi) 07058 Pine Brook (5.6 mi) 07801 Dover (6 mi) 07936 East Hanover (6.3 mi)

Demographics updated 05/2026

Population
Total population	4,499
Population density	1,691 / sq mi
State FIPS	34
County FIPS	027

Geography
Land area	2.66 sq mi
Water area	0.27 sq mi
Latitude	40.8930
Longitude	-74.4407
Timezone	Eastern (ET)
Area code	973/862

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	9.5%	19.3%	30.2%
$50k – $100k	11.5%	23.7%	26.7%
$100k – $200k	24.0%	32.6%	28.3%
Over $200k	55.0%	24.4%	14.8%

Demographics & statistics

4,499

Population

1,691

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	9.5%	19.3%	30.2%
$50k – $100k	11.5%	23.7%	26.7%
$100k – $200k	24.0%	32.6%	28.3%
Over $200k	55.0%	24.4%	14.8%

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%
Work from home	29.9%
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	%
Obesity	19.1%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	6.6%
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	%
Smoking	7.0%
Binge drinking	16.7%
No physical activity	10.7%
Less than 7 hrs sleep	27.1%
Depression	15.5%
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%
No insurance	1.6%
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 about ZIP code 07046

What city is ZIP code 07046 in?

ZIP code 07046 is primarily assigned to Mountain Lakes, New Jersey.

What county is ZIP code 07046 in?

ZIP code 07046 falls within Morris County, New Jersey.

How educated is the population of ZIP code 07046?

81% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 07046 family-oriented?

34% of residents in ZIP code 07046 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 07046 mostly owner-occupied?

96% of occupied units in ZIP code 07046 are owner-occupied, well above the national average.

What is the median household income in ZIP code 07046?

The median household income in ZIP code 07046 is $250,001, above the national median of ~$75,000.

What timezone is ZIP code 07046 in?

ZIP code 07046 observes the EST timezone.