Belmont, Massachusetts Demographics & Population 2026
During the 2020–2024 ACS period, Belmont, Massachusetts had a total population of 27,175, the 61st largest community in Massachusetts, with a median household income of $183,137, which is 76% higher than the state average. The poverty rate is 3.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 76% above the state average — one of the wealthiest communities in Massachusetts.
- An exceptionally low poverty rate of 3.6% — among the lowest in Massachusetts.
- 80.9% of adults hold a bachelor's degree or higher — top 10% in Massachusetts.
Belmont Quick Facts
How Belmont Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 27,009 | 27,175 | +0.6% |
| Median household income | $178,188 | $183,137 | +2.8% |
| Median home value | $1,108,800 | $1,159,000 | +4.5% |
How Belmont Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 53 | National average: 61
Education
Educational Attainment (Adults 25+)
Belmont Rankings in Massachusetts
Explore Massachusetts Rankings
Other Cities in Middlesex County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Cambridge | 118,796 | $130,748 | 12.8% | $1,092,100 |
| Lowell | 118,368 | $78,658 | 16.9% | $429,200 |
| Newton | 89,044 | $190,304 | 4.5% | $1,264,900 |
| Somerville | 81,036 | $132,572 | 9.8% | $911,300 |
| Framingham | 72,399 | $107,419 | 10.4% | $627,300 |
| Malden | 65,906 | $100,606 | 11.4% | $633,500 |
| Waltham | 64,902 | $120,216 | 9.4% | $748,700 |
| Medford | 59,354 | $129,540 | 7.6% | $755,500 |
| Everett | 50,045 | $85,218 | 14.7% | $610,000 |
| Arlington | 46,350 | $150,701 | 5.4% | $933,800 |
Cities Similar to Belmont
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Milton | 28,587 | $188,529 | $933,200 | 72.0% | 4.7% |
| Reading | 25,612 | $165,912 | $809,000 | 66.3% | 3.2% |
| Burlington | 26,274 | $146,436 | $740,600 | 58.4% | 5.9% |
| Wakefield | 27,793 | $134,306 | $723,500 | 59.7% | 4.9% |
| Wilmington | 23,336 | $168,152 | $680,500 | 50.4% | 3.8% |
Population Overview
Belmont is a mid-sized community located in Massachusetts, within Middlesex County. The total population is 27,175. It ranks as the 61st most populous out of 248 Census-designated places in Massachusetts.
Age Demographics
The median age in Belmont is 42.9 years. This is 7% higher than the state median of 40.0 years.
Economy, Income & Housing
The median household income in Belmont is $183,137. This is 76% higher than the state median of $103,960. It is also 127% higher than the national median of $80,734. The poverty rate stands at 3.6%. This is 64% lower than the state poverty rate of 10.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.3%. This is 16% lower than the state rate of 5.1%. The median home value is $1,159,000. Housing costs are 106% higher than the state median of $562,100. The home-value-to-income ratio of 6.3x suggests that housing affordability is a significant concern for many residents. 64.7% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 62.5%.
Race & Ethnicity
The largest racial or ethnic group in Belmont is White (non-Hispanic), making up 68.8% of the population. Asian residents account for 19.5%. The Black or African American population (1.6%) is well below the state average of 6.4%. The Hispanic or Latino population (5.0%) is well below the state average of 13.3%. The Asian population is significantly higher than the state average (19.5% vs 7.2%).
Education
80.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Belmont in the top 10% of all cities in the state for educational attainment. This is 71% higher than the state rate of 47.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.7%. Notably, 51.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Belmont, Massachusetts is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Massachusetts state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 248 Census-designated places in Massachusetts. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Belmont, Massachusetts?
Belmont, Massachusetts has a population of 27,175 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Belmont, MA?
The median household income in Belmont is $183,137, which is 127% higher than the national median of $80,734.
What is the poverty rate in Belmont, MA?
The poverty rate in Belmont is 3.6%. This means approximately 973 residents live below the federal poverty line.
What is the racial makeup of Belmont, Massachusetts?
Belmont's population is 68.8% White, 1.6% Black, 5.0% Hispanic/Latino, and 19.5% Asian.
What is the median home value in Belmont, MA?
The median home value in Belmont is $1,159,000. The home-value-to-income ratio is 6.3x.
How educated is Belmont, Massachusetts?
80.9% of adults (25+) in Belmont hold a bachelor's degree or higher, and 51.6% hold a graduate or professional degree.