Statistic Belmont Massachusetts National
Population 26,925 7,120,135 336,919,644
Population density (sq mi) 5,793 913 91
Median age 41.4 39.4 37.7
Male/Female ratio 0.9:1 0.9:1 1.0:1
Married (15yrs & older) 68% 53% 55%
Families w/ Kids under 18 51% 43% 43%
Speak English 70% 77% 79%
Speak Spanish 3% 9% 13%
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Local Insights Report

Overview of Belmont Demographics

Understanding the demographics of Belmont 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 Belmont population is 26,925, with a population density of 5,793 people per square mile, diverging from the national average of 91. The median age is 41.4, and 68% of individuals aged 15 or older are married, while 51% have children under 18. As far as income equality in Belmont, 9% of households have a median income below $25,000, whereas 55% report an income exceeding $150,000, indicating a varied economic landscape within the area.

Belmont Racial Demographics & Ethnicity

The 5 largest ethnic groups in Belmont are 76.8% White, 1.1% Black or African American, 17.1% Asian, 0.3% American Indian and 0% Native Hawaiian, with 4.2% of the population identifying as Hispanic or Latino. Of note, 69.7% of households reported speaking English only, while 2.8% reported speaking Spanish only. Additionally, 25.7% of residents were classified as foreign-born. The Belmont racial demographics and ethnicity breakdown are essential for comprehending and addressing systemic inequities, advancing social justice and inclusion and cultivating resilient communities.

Belmont Population Density

In areas with high population density, residents enjoy a wealth of amenities and services conveniently located within walking distance or a short commute. Access to healthcare facilities, educational institutions, cultural venues, dining options, retail stores and public transit enhances residents' quality of life and overall well-being. Belmont has a population density of 5,793 people per square mile, which far exceeds the national average of 91 and ranks among the most densely populated cities in the country.

Is Belmont Family Friendly?

A family-friendly city like Belmont can prioritize the well-being and needs of families, creating an environment where children thrive, parents feel supported and families can enjoy a high quality of life together. Family-friendly cities are also known to foster a strong sense of community, with neighbors supporting and looking out for one another. These areas could also boast excellent educational opportunities, including high-quality schools, libraries and extracurricular activities. Access to quality education is essential for children's development and future success. By prioritizing the well-being of its residents, such cities become vibrant and resilient communities where families can truly flourish. In Belmont, 51% of families have kids under the age of 18 and 68% of residents over 15 years old are married. These demographics put this area in a position to reap the benefits of a family-friendly area.

Why are Demographics Important?

Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Belmont demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.

Urban Development: Urban planners could use Belmont demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Belmont demographics for planning and development of affordable housing can help prevent displacement.

Understanding Populations: By reporting and analyzing Belmont demographics, we can acquire valuable insights into the makeup and traits of populations, encompassing age, gender, race, ethnicity, income, education and various socio-economic factors. This comprehension is vital for tackling the varied needs, preferences, and obstacles encountered by different demographic groups within communities. Demographics serve a pivotal role in comprehending populations, guiding decision-making processes and advancing equity, inclusion and overall well-being for all individuals and communities. The Belmont population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and strength of communities.

Demographics Quick Facts

  • The population density in Belmont is 535% higher than Massachusetts
  • The median age in Belmont is 5% higher than Massachusetts
  • In Belmont 76.85% of the population is White
  • In Belmont 1.13% of the population is Black
  • In Belmont 17.05% of the population is Asian

Compare Belmont, MA Demographics

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      Belmont racial demographics

      Race Belmont Massachusetts National
      White 76.85% 79.26% 73.35%
      Black 1.13% 7.26% 12.63%
      Asian 17.05% 6.11% 5.22%
      American Indian 0.34% 0.21% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 4.00% 3.01% 3.06%
      Other race 0.62% 4.13% 4.75%
      In Belmont, 4.2% 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

      Belmont age breakdown

      Marital status

      Age of children in married couples

      Source: The Belmont, MA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.