Leominster, Massachusetts Demographics & Population 2026
During the 2020–2024 ACS period, Leominster, Massachusetts had a total population of 43,909, the 31st largest city in Massachusetts, with a median household income of $83,816, which is 19% lower than the state average. The poverty rate is 9.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Leominster Quick Facts
How Leominster 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 | 43,697 | 43,909 | +0.5% |
| Median household income | $81,556 | $83,816 | +2.8% |
| Median home value | $345,000 | $380,400 | +10.3% |
How Leominster 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+)
Leominster Rankings in Massachusetts
Explore Massachusetts Rankings
Other Cities in Worcester County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Worcester | 207,055 | $70,102 | 19.6% | $374,400 |
| Fitchburg | 41,798 | $73,040 | 15.6% | $336,400 |
| Milford | 27,731 | $93,310 | 8.4% | $464,700 |
| Gardner | 21,148 | $67,518 | 13.7% | $301,600 |
| Southbridge Town | 17,928 | $66,287 | 15.3% | $294,800 |
| Webster | 12,228 | $63,837 | 16.0% | $333,100 |
| Athol | 8,801 | $67,394 | 21.0% | $248,700 |
| Clinton | 7,658 | $79,516 | 9.2% | $375,600 |
| Whitinsville | 7,115 | $96,145 | 10.3% | $449,600 |
| Northborough | 6,392 | $133,839 | 2.1% | $560,500 |
Cities Similar to Leominster
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Salem | 44,795 | $85,153 | $542,800 | 47.8% | 12.1% |
| Pittsfield | 43,457 | $70,582 | $256,900 | 34.2% | 14.9% |
| Marlborough | 41,647 | $91,968 | $513,100 | 40.5% | 9.6% |
| Westfield | 40,378 | $87,753 | $325,100 | 33.2% | 10.7% |
| Fitchburg | 41,798 | $73,040 | $336,400 | 25.1% | 15.6% |
Population Overview
Leominster is a mid-sized community located in Massachusetts, within Worcester County. The total population is 43,909. It ranks as the 31st most populous out of 248 Census-designated places in Massachusetts.
Age Demographics
The median age in Leominster is 43.3 years. This is 8% higher than the state median of 40.0 years.
Economy, Income & Housing
The median household income in Leominster is $83,816. This is 19% lower than the state median of $103,960. It is also 4% higher than the national median of $80,734. The poverty rate stands at 9.2%. This is 8% lower than the state poverty rate of 10.0%. The unemployment rate is 6.2%. This is 21% higher than the state rate of 5.1%. The median home value is $380,400. Housing costs are 32% lower than the state median of $562,100. The home-value-to-income ratio is 4.5x. 62.3% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Leominster is White (non-Hispanic), making up 68.0% of the population. Hispanic or Latino residents account for 16.0%. The Asian population (3.1%) is well below the state average of 7.2%.
Education
33.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% lower 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 90.3%.
Data Sources & Methodology
All demographic data for Leominster, 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 Leominster, Massachusetts?
Leominster, Massachusetts has a population of 43,909 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Leominster, MA?
The median household income in Leominster is $83,816, which is 4% higher than the national median of $80,734.
What is the poverty rate in Leominster, MA?
The poverty rate in Leominster is 9.2%. This means approximately 4,021 residents live below the federal poverty line.
What is the racial makeup of Leominster, Massachusetts?
Leominster's population is 68.0% White, 4.9% Black, 16.0% Hispanic/Latino, and 3.1% Asian.
What is the median home value in Leominster, MA?
The median home value in Leominster is $380,400. The home-value-to-income ratio is 4.5x.
How educated is Leominster, Massachusetts?
33.5% of adults (25+) in Leominster hold a bachelor's degree or higher, and 12.6% hold a graduate or professional degree.