Statistic Mountainside New Jersey National
Population 6,859 8,882,190 328,239,523
Population density (sq mi) 1,716 1,215 91
Median age 52.1 39.5 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 78% 56% 55%
Families w/ Kids under 18 39% 45% 43%
Speak English 80% 69% 79%
Speak Spanish 8% 16% 13%

Overview of Mountainside Demographics

Understanding the demographics of Mountainside is essential for gaining insights into the composition, dynamics and needs of any city, town or village. This knowledge empowers planners, developers and policymakers to strategize effectively, promoting prosperity, equity and well-being for all residents. The Mountainside population is 6,859, with a population density of 1,716 people per square mile, diverging from the national average of 91. The median age is 52.1, and 78% of individuals aged 15 or older are married, while 39% have children under 18. As far as income equality in Mountainside, 3% of households have a median income below $25,000, whereas 49% report an income exceeding $150,000, indicating a varied economic landscape within the area.

Mountainside Racial Demographics & Ethnicity

The 5 largest ethnic groups in Mountainside are 82.2% White, 1.7% Black or African American, 9.5% Asian, 0% American Indian and 0% Native Hawaiian, with 13% of the population identifying as Hispanic or Latino. Of note, 79.6% of households reported speaking English only, while 7.7% reported speaking Spanish only. Additionally, 16.2% of residents were classified as foreign-born. The Mountainside racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Mountainside Population Density

Mountainside has a population density that is well above-average, which plays a pivotal role in promoting environmental sustainability by reducing per capita energy consumption, greenhouse gas emissions and land use. Its compact urban development encourages energy-efficient buildings, active transportation modes like walking and cycling and the utilization of public transit, fostering sustainable lifestyles and mitigating environmental impact. Additionally, the area's dense population contributes to a vibrant social and cultural scene, featuring a diverse array of cultural events, festivals and community activities. This cultural diversity fuels creativity, innovation and cross-cultural exchange, enhancing the community's social fabric. Mountainside has a population density of 1,716 people per square mile, exceeding the national average of 91 and positions itself in a good spot to reap the benefits of densely populated areas.

Why are Demographics Important?

Urban Development: By leveraging demographic data in Mountainside, urban planners can tailor areas to meet the needs of any resident across housing, transportation and public services, all while fostering sustainability and elevating quality of life. Demographic changes can fuel gentrification and neighborhood transformation, whether in urban or rural settings. As neighborhoods attract newcomers with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing established residents and reshaping the neighborhood's fabric. A nuanced understanding of population density, age distribution, household size and income levels is pivotal for guiding decisions on zoning, transportation infrastructure, housing development and public amenities. Utilizing the demographic data in planning and implementing affordable housing initiatives can help mitigate displacement risks and promote inclusive communities.

Healthcare Planning: The examination of Mountainside demographics can potentially inform healthcare planning and delivery by identifying population health needs, disparities and risk factors. By comprehending demographic trends, healthcare providers and policymakers can allocate resources effectively, develop prevention and intervention programs, and address health inequities within communities. Through the utilization of demographic statistics, healthcare providers and policymakers aim to achieve equitable, accessible, and high-quality healthcare for all individuals and communities. This proactive healthcare planning approach ensures targeted interventions, efficient resource allocation and tailored healthcare services to meet the diverse needs of populations.

Policy Planning: Demographic data and statistics serve as vital tools for informing policy and decision-making processes across various levels of government, as well as within organizations and businesses. Through the reporting and analysis of demographic data, policymakers, government officials, and organizational leaders can pinpoint areas of need, allocate resources efficiently, and craft tailored policies and programs to address the unique needs and priorities of different demographic groups. The utilization of demographic data in Mountainside is instrumental in policy planning, facilitating resource allocation, evidence-based decision-making, priority identification, trend forecasting, policy impact assessment, and the promotion of equity and inclusion. By harnessing this data effectively, policymakers can devise targeted, impactful, and inclusive policies that cater to the diverse needs of communities.

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Demographics Quick Facts

  • The population density in Mountainside is 41% higher than New Jersey
  • The median age in Mountainside is 32% higher than New Jersey
  • In Mountainside 82.21% of the population is White
  • In Mountainside 1.73% of the population is Black
  • In Mountainside 9.51% of the population is Asian

Compare Mountainside, NJ Demographics

      vs

      Mountainside racial demographics

      Race Mountainside New Jersey National
      White 82.21% 68.15% 73.35%
      Black 1.73% 13.54% 12.63%
      Asian 9.51% 9.19% 5.22%
      American Indian 0.00% 0.21% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 5.73% 2.53% 3.06%
      Other race 0.82% 6.35% 4.75%
      In Mountainside, 13.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Mountainside age breakdown

      Marital status

      Age of children in married couples

      Source: The Mountainside, NJ demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).