Mountainside

Population: 6,967
Median household income: $210,100
Median home value: $755,600

Mountainside, a community in Union County, New Jersey, has 6,967 residents. The median household income of $210,100 is above the Union County median ($100,117).

From 2019 to 2023, Mountainside's population grew 2.1% from 6,826 to 6,967, while its median home value rose 20.7% from $626,100 to $755,600.

Households average 2.69 people. The median gross rent is $3,501.

Demographics

ACS 2019–2023

Population: 6,967
Median age: 48.7 yrs
Median household income: $210,100
Median home value: $755,600
Median gross rent: $3,501
Housing units: 2,616
Homeownership rate: 86.9%
Bachelor's degree or higher: 66.2%
Unemployment rate: 2.1%

Trends

ACS 5-year · 2019–2023

Population

6,8266,967

Median household income

$119,000$210,100

Median home value

$626,100$755,600

Median gross rent

$1,739$3,501

Year	Population	Median household income	Median home value	Median gross rent
2019	6,826	$119,000	$626,100	$1,739
2020	6,859	$121,172	$637,400	$3,432
2021	7,003	$133,365	$649,600	$2,926
2022	6,991	$162,531	$719,000	$3,501
2023	6,967	$210,100	$755,600	$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 58.6%

5 to 1715.7%

18 to 243.8%

25 to 342.5%

35 to 4416.1%

45 to 5412.2%

55 to 6417.5%

65 to 7414.2%

75 and over9.4%

	Count	Share
Under 5	601	8.6%
5 to 17	1,092	15.7%
18 to 24	262	3.8%
25 to 34	176	2.5%
35 to 44	1,124	16.1%
45 to 54	848	12.2%
55 to 64	1,218	17.5%
65 to 74	988	14.2%
75 and over	658	9.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	5,064	72.7%
Black or African American	77	1.1%
American Indian & Alaska Native	0	0.0%
Asian	795	11.4%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	3	0.0%
Two or more races	80	1.1%
Hispanic or Latino (any race)	948	13.6%

Educational attainment (age 25+)

No high school diploma3.5%

High school graduate12.3%

Some college or associate's18.1%

Bachelor's degree29.2%

Graduate or professional degree36.9%

	Count	Share
No high school diploma	175	3.5%
High school graduate	615	12.3%
Some college or associate's	906	18.1%
Bachelor's degree	1,466	29.2%
Graduate or professional degree	1,850	36.9%

Commute to work

Mean travel time to work: 39 min

Drove alone52.7%

Carpooled9.1%

Public transit11.9%

Walked1.7%

Bicycle0.0%

Worked from home24.6%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	1,707	52.7%
Carpooled	295	9.1%
Public transit	384	11.9%
Walked	54	1.7%
Bicycle	0	0.0%
Worked from home	798	24.6%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	434	17.8%
15 to 29 min	588	24.1%
30 to 44 min	523	21.4%
45 to 59 min	181	7.4%
60+ min	714	29.3%

Households

Average household size: 2.69
Poverty rate: 2.8% (195 of 6,852)

	Count	Share
Family households	2,114	83.2%
Nonfamily households	426	16.8%

Housing

Median year structure built: 1958

Occupancy

	Count	Share
Occupied	2,540	97.1%
Vacant	76	2.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	2,206	86.9%
Renter-occupied	334	13.1%

1-unit, detached96.9%

1-unit, attached1.4%

2 to 4 units1.7%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	2,536	96.9%
1-unit, attached	36	1.4%
2 to 4 units	44	1.7%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3448510
Type (LSAD): 21
Land area: 4 sq mi
Water area: 0.05 sq mi
Center point: 40.6807, -74.3603