Demographics in Mountainside, NJ

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Mountainside?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

6,967

Male

3,370

48.4%

Female

3,597

51.6%

Median Age

48.7

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

75.3%

Black

1.1%

Hispanic

13.6%

Asian

12.3%

Two or More

11.2%

Other

0.0%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

47.6%

High School or Higher

56.4%

Foreign Born

18.5%

Veterans

4.5%

Married

60.2%

Avg Household Size

2.7

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Mountainside, NJ has a population of 6,967 with a median age of 48.7. The racial makeup is 75.3% White, 13.6% Hispanic, 1.1% Black, 12.3% Asian. About 47.6% of residents hold a bachelor's degree or higher. The foreign-born population is 18.5%.