Mountainside, NJ
Demographics And Statistics

We take you around Mountainside to find out what it's like to call it home.

Living in Mountainside, New Jersey

Life in Mountainside research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Mountainside over the past nine years using Census, FBI, Zillow, and other primary data sources. Here's a snapshot of Mountainside based on the most recently available data.

7,049 Population
$1,043,568 Median home value
$211,538 Median income
183 Cost of living +83% vs US
$3,501 Median rent
3.5% Unemployment
Not sure Mountainside fits? Try our place-match quiz → Planning a move? Find movers to Mountainside, NJ Get matched →

Mountainside SnackAbility

10
Overall SnackAbility
Jobs 9/10
Housing 10/10
Affordability 3/10
Diversity 8/10
Safety 9/10
Amenities 8/10
Education 9/10
Commute 3/10

Crime in Mountainside summary. We use data from the FBI to determine the crime rates in Mountainside. Key points include:

  • There were 25 total crimes in Mountainside in the last reporting year.

  • The overall crime rate per 100,000 people in Mountainside is 354.5 / 100k people.

  • The violent crime rate per 100,000 people in Mountainside is 14.2 / 100k people.

  • The property crime rate per 100,000 people in Mountainside is 340.3 / 100k people.

  • Overall, crime in Mountainside is -83.27% below the national average.

25
Total Crimes
-83.27%
Below National Average
Mountainside
US

Crime In Mountainside Comparison Table

Statistic Count
Raw
Mountainside
/ 100k People
New Jersey
/ 100k People
National
/ 100k People
Total Crimes Per 100K 25 354.5 1,645.1 2,119.2
Violent Crime 1 14.2 217.7 359.0
Murder 0 0.0 2.3 5.0
Robbery 1 14.2 49.3 61.0
Aggravated Assault 0 0.0 148.8 256.0
Property Crime 24 340.3 1,427.3 1,760.0
Burglary 5 70.9 145.3 229.0
Larceny 16 226.9 1,119.4 1,272.0
Car Theft 3 42.5 162.6 259.0
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Source: FBI Uniform Crime Reporting (2024)

Cost of living in Mountainside summary. We use data on the cost of living to determine how expensive it is to live in Mountainside. Real estate prices drive most of the variance in cost of living around New Jersey. Key points include:

  • The cost of living in Mountainside is 183 with 100 being average.

  • The cost of living in Mountainside is 1.8x higher than the national average.

  • The median home value in Mountainside is $1,043,568.

  • The median income in Mountainside is $211,538.

183
Mountainside's Overall Cost Of Living
1.8x
Higher Than The National Average
Mountainside
US

Cost Of Living In Mountainside Comparison Table

Living Expense Mountainside New Jersey National Average
Overall 183 125 100
Services 109 107 100
Groceries 112 113 100
Health 350 155 100
Housing 111 116 100
Transportation 111 112 100
Utilities 109 113 100
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Source: Cost of living index, normalized to US average = 100

Mountainside, NJ Weather

  • The average high in Mountainside is 63.3° and the average low is 43.0°.

  • There are 80.5 days of precipitation each year.

  • Expect an average of 48.9 inches of precipitation each year with 24.0 inches of snow.

StatMountainside
Average Annual High63.3
Average Annual Low43.0
Annual Precipitation Days80.5
Average Annual Precipitation48.9
Average Annual Snowfall24.0
63.3°
Average High
80.5
Days of Rain

Source: NOAA climate normals (30-year)

Mountainside, NJ Photos

Echo Lake Park In Mountainside Nj Autumnal Scene
Source: Public Domain
Artist Emma Auriemma Painting At Echo Lake Park In Mountainside New Jersey
Source: Public Domain
Nature Pathway In Watchung Nj Park
Source: Public Domain
Watchung Park In Union County Nj Playfield
Source: Public Domain
Trailside Nature Science Center Watchung Nj Interior View
Source: Public Domain
Childrens Outdoor Play Equipment In Park
Source: Public Domain
Echo Lake Park Nj Waterwheel Dam Frozen Lake Trees
Source: Public Domain

Rankings & Articles For Mountainside

Locations Around Mountainside

Map Of Mountainside, NJ

Best Places Around Mountainside

1

Lincoln Park, NJ
Population 10,957

$534,178-49% vs Mountainside
2

Martinsville, NJ
Population 11,559

$902,737-13% vs Mountainside
3

Succasunna, NJ
Population 9,799

$650,100-38% vs Mountainside
4

Florham Park, NJ
Population 13,564

$1,025,255-2% vs Mountainside
5

White Meadow Lake, NJ
Population 8,842

$589,962-43% vs Mountainside
6

Hasbrouck Heights, NJ
Population 12,115

$709,659-32% vs Mountainside
7

Bradley Gardens, NJ
Population 14,165

$684,571-34% vs Mountainside
8

Westfield, NJ
Population 31,111

$1,269,852+22% vs Mountainside
9

Boonton, NJ
Population 8,854

$667,779-36% vs Mountainside
10

Green Knoll, NJ
Population 6,789

$748,229-28% vs Mountainside

Mountainside Demographics And Statistics

Population over time in Mountainside

The current population in Mountainside is 7,049. The population has increased 6.5% from 2010.

Year Population % Change
2024 7,049 1.2%
2023 6,967 -0.3%
2022 6,991 -0.2%
2021 7,003 2.1%
2020 6,859 0.5%
2019 6,826 0.1%
2018 6,820 -1.3%
2017 6,907 1.1%
2016 6,835 0.0%
2015 6,832 1.0%
2014 6,765 0.4%
2013 6,741 0.7%
2012 6,695 0.9%
2011 6,638 0.3%
2010 6,616 -

Race / Ethnicity in Mountainside

White 71.3% (5,029)
African American 2.2% (155)
American Indian 0.0% (0)
Asian 11.4% (804)
Hawaiian 0.0% (0)
Other 0.1% (4)
Two Or More 1.8% (126)
Hispanic 13.2% (931)
See the full breakdown

Mountainside is:

  • 71.3% White with 5,029 White residents.

  • 2.2% African American with 155 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 11.4% Asian with 804 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.1% Other with 4 Other residents.

  • 1.8% Two Or More with 126 Two Or More residents.

  • 13.2% Hispanic with 931 Hispanic residents.

Race Mountainside NJ USA
White 71.3% 50.9% 57.4%
African American 2.2% 12.2% 11.9%
American Indian 0.0% 0.1% 0.5%
Asian 11.4% 10.0% 5.9%
Hawaiian 0.0% 0.0% 0.2%
Other 0.1% 0.8% 0.6%
Two Or More 1.8% 3.5% 4.3%
Hispanic 13.2% 22.5% 19.3%

Gender in Mountainside

Female 50.5% (3,558)
Male 49.5% (3,490)
See the full breakdown
  • Mountainside is 50.5% female with 3,558 female residents.

  • Mountainside is 49.5% male with 3,490 male residents.

Gender Mountainside NJ USA
Female 50.5% 50.8% 50.5%
Male 49.5% 49.2% 49.5%

Highest level of educational attainment in Mountainside for adults over 25

< 9th Grade 3.0% (211)
9-12th Grade 0.0% (0)
High School / GED 11.0% (775)
Some College 13.0% (916)
Associate's Degree 5.0% (352)
Bachelor's Degree 29.0% (2,044)
Master's Degree 27.0% (1,903)
Professional Degree 8.0% (563)
Doctorate Degree 4.0% (281)
See the full breakdown
  • 3.0% of adults in Mountainside completed < 9th grade.

  • 0.0% of adults in Mountainside completed 9-12th grade.

  • 11.0% of adults in Mountainside completed high school / ged.

  • 13.0% of adults in Mountainside completed some college.

  • 5.0% of adults in Mountainside completed associate's degree.

  • 29.0% of adults in Mountainside completed bachelor's degree.

  • 27.0% of adults in Mountainside completed master's degree.

  • 8.0% of adults in Mountainside completed professional degree.

  • 4.0% of adults in Mountainside completed doctorate degree.

Education Mountainside NJ USA
< 9th Grade 3.0% 4.0% 4.0%
9-12th Grade 0.0% 5.0% 6.0%
High School / GED 11.0% 25.0% 26.0%
Some College 13.0% 15.0% 19.0%
Associate's Degree 5.0% 7.0% 9.0%
Bachelor's Degree 29.0% 26.0% 22.0%
Master's Degree 27.0% 13.0% 10.0%
Professional Degree 8.0% 3.0% 2.0%
Doctorate Degree 4.0% 2.0% 2.0%

Household Income For Mountainside, New Jersey

Less than $10,000 2.0% (14,334)
$10,000 to $14,999 0.7% (5,059)
$15,000 to $24,999 0.7% (5,059)
$25,000 to $34,999 0.7% (5,059)
$35,000 to $49,999 5.5% (39,067)
$50,000 to $74,999 9.3% (65,768)
$75,000 to $99,999 6.9% (48,904)
$100,000 to $149,999 16.3% (114,953)
$150,000 to $199,999 6.9% (48,342)
$200,000 or more 50.8% (358,352)
See the full breakdown
  • 2.0% of households in Mountainside earn Less than $10,000.

  • 0.7% of households in Mountainside earn $10,000 to $14,999.

  • 0.7% of households in Mountainside earn $15,000 to $24,999.

  • 0.7% of households in Mountainside earn $25,000 to $34,999.

  • 5.5% of households in Mountainside earn $35,000 to $49,999.

  • 9.3% of households in Mountainside earn $50,000 to $74,999.

  • 6.9% of households in Mountainside earn $75,000 to $99,999.

  • 16.3% of households in Mountainside earn $100,000 to $149,999.

  • 6.9% of households in Mountainside earn $150,000 to $199,999.

  • 50.8% of households in Mountainside earn $200,000 or more.

Income Mountainside NJ USA
Less than $10,000 2.0% 4.1% 5.0%
$10,000 to $14,999 0.7% 2.7% 3.4%
$15,000 to $24,999 0.7% 4.8% 6.3%
$25,000 to $34,999 0.7% 5.1% 6.6%
$35,000 to $49,999 5.5% 7.6% 10.1%
$50,000 to $74,999 9.3% 12.8% 15.5%
$75,000 to $99,999 6.9% 11.3% 12.6%
$100,000 to $149,999 16.3% 18.1% 17.5%
$150,000 to $199,999 6.9% 11.8% 9.6%
$200,000 or more 50.8% 21.6% 13.4%

Source: U.S. Census ACS 5-year estimates (2024)