How many people live in Worcester County, MA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 881,200 people living in Worcester County, MA. That makes Worcester County the second-most populous county in Massachusetts. It is home to 12.3% of people living in the state.
881K
population of Worcester County, MA (2024)
12.3%
County share of the Massachusetts population (2024)
About 881,200 people lived in Worcester County, MA in 2024.
Population estimates, 2000–2024
What are Worcester County, MA’s age demographics?
About 158,500 Worcester County, MA residents are aged 65 and older in 2024. That represents 18% of its population. For comparison, the age group represents 18.7% of Massachusetts' population and 18% in the US overall.
Another 177,900 Worcester County residents, or 20.2% of the population, were children under 18. For comparison, the age group represents 19% of Massachusetts' population and 21.6% in the US overall.
A higher share of Worcester County, MA's population is aged 45–64 than the US as a whole.
Population estimates by age group, (2024)
What are Worcester County, MA’s racial and ethnic demographics?
Non-Hispanic white residents make up 71.5% of the Worcester County, MA population, higher than the national share of 57.5%.
In contrast, Worcester County’s non-Hispanic Black or African American population accounts for 5.8%, below the 12.6% nationwide, and the Hispanic population makes up 14.5% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Worcester County, MA has a higher share of a non-Hispanic white population than Massachusetts as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Worcester County, MA is Worcester with about 211,300 residents in 2024.
Cities and towns in Worcester County, MA ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Worcester | 211,286 |
| 2. | Leominster | 44,209 |
| 3. | Fitchburg | 42,145 |
| 4. | Shrewsbury | 39,620 |
| 5. | Milford | 30,640 |
| 6. | Westborough | 22,643 |
| 7. | Gardner | 21,381 |
| 8. | Grafton | 20,352 |
| 9. | Holden | 20,326 |
| 10. | Southbridge Town | 18,106 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
