Lexington, Massachusetts Demographics & Population 2026
During the 2020–2024 ACS period, Lexington, Massachusetts had a total population of 34,295, the 44th largest community in Massachusetts, with a median household income of $238,444, which is 129% higher than the state average. The poverty rate is 4.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 129% above the state average — one of the wealthiest communities in Massachusetts.
- An exceptionally low poverty rate of 4.7% — among the lowest in Massachusetts.
- 84.3% of adults hold a bachelor's degree or higher — top 10% in Massachusetts.
Lexington Quick Facts
How Lexington 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 | 34,085 | 34,295 | +0.6% |
| Median household income | $219,402 | $238,444 | +8.7% |
| Median home value | $1,147,900 | $1,203,100 | +4.8% |
How Lexington 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
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 53 | National average: 61
Education
Educational Attainment (Adults 25+)
Lexington 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 Lexington
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Needham | 32,459 | $214,308 | $1,188,500 | 81.9% | 3.7% |
| Wellesley | 30,347 | $250,000+ | $1,582,700 | 89.0% | 4.0% |
| Franklin Town | 33,154 | $145,773 | $611,700 | 58.1% | 5.9% |
| Milton | 28,587 | $188,529 | $933,200 | 72.0% | 4.7% |
| Watertown | 35,543 | $126,265 | $784,600 | 66.5% | 7.5% |
Population Overview
Lexington is a mid-sized community located in Massachusetts, within Middlesex County. The total population is 34,295. It ranks as the 44th most populous out of 248 Census-designated places in Massachusetts.
Age Demographics
The median age in Lexington is 47.3 years. This is 18% higher than the state median of 40.0 years.
Economy, Income & Housing
The median household income in Lexington is $238,444. This is 129% higher than the state median of $103,960. It is also 195% higher than the national median of $80,734. The poverty rate stands at 4.7%. This is 54% 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 2.9%. This is 43% lower than the state rate of 5.1%. The median home value is $1,203,100. Housing costs are 114% higher than the state median of $562,100. The home-value-to-income ratio is 5.0x. 80.5% of occupied housing units are owner-occupied. This homeownership rate is 29% higher than the state average of 62.5%.
Race & Ethnicity
The largest racial or ethnic group in Lexington is White (non-Hispanic), making up 55.2% of the population. Asian residents account for 33.8%. The Black or African American population (1.7%) is well below the state average of 6.4%. The Hispanic or Latino population (3.5%) is well below the state average of 13.3%. The Asian population is significantly higher than the state average (33.8% vs 7.2%).
Education
84.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Lexington in the top 10% of all cities in the state for educational attainment. This is 78% 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 96.9%. Notably, 58.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lexington, 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 Lexington, Massachusetts?
Lexington, Massachusetts has a population of 34,295 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lexington, MA?
The median household income in Lexington is $238,444, which is 195% higher than the national median of $80,734.
What is the poverty rate in Lexington, MA?
The poverty rate in Lexington is 4.7%. This means approximately 1,582 residents live below the federal poverty line.
What is the racial makeup of Lexington, Massachusetts?
Lexington's population is 55.2% White, 1.7% Black, 3.5% Hispanic/Latino, and 33.8% Asian.
What is the median home value in Lexington, MA?
The median home value in Lexington is $1,203,100. The home-value-to-income ratio is 5.0x.
How educated is Lexington, Massachusetts?
84.3% of adults (25+) in Lexington hold a bachelor's degree or higher, and 58.6% hold a graduate or professional degree.