Worcester County
URL: https://knowledge.ivjn.us/en/places/ma-worcester-county.html

Worcester County is a county in Massachusetts, United States, with county seat Worcester.

## Administrative divisions

Worcester County is a county in Massachusetts, United States; the county seat is Worcester[^uscb2023].

## Basic facts

- State: [Massachusetts](https://knowledge.ivjn.us/en/places/massachusetts.html)
- County seat: Worcester[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Massachusetts](https://knowledge.ivjn.us/en/places/massachusetts.html).

Updated: 2026-10-29

Relations:
- Located in: Massachusetts https://knowledge.ivjn.us/en/places/massachusetts.html
- Contains places: Worcester https://knowledge.ivjn.us/en/places/ma-worcester.html
- Contains places: Ashburnham https://knowledge.ivjn.us/en/places/ma-ashburnham.html
- Contains places: Athol https://knowledge.ivjn.us/en/places/ma-athol.html
- Contains places: Auburn https://knowledge.ivjn.us/en/places/ma-auburn.html
- Contains places: Barre https://knowledge.ivjn.us/en/places/ma-barre.html
- Contains places: Baldwinville https://knowledge.ivjn.us/en/places/ma-baldwinville.html
- Contains places: Berlin https://knowledge.ivjn.us/en/places/ma-berlin.html
- Contains places: Blackstone https://knowledge.ivjn.us/en/places/ma-blackstone.html
- Contains places: Bolton https://knowledge.ivjn.us/en/places/ma-bolton.html
- Contains places: Boylston https://knowledge.ivjn.us/en/places/ma-boylston.html

Mentioned in:
- Massachusetts https://knowledge.ivjn.us/en/places/massachusetts.html
- Ashburnham https://knowledge.ivjn.us/en/places/ma-ashburnham.html
- Athol https://knowledge.ivjn.us/en/places/ma-athol.html
- Auburn https://knowledge.ivjn.us/en/places/ma-auburn.html
- Baldwinville https://knowledge.ivjn.us/en/places/ma-baldwinville.html
- Barre https://knowledge.ivjn.us/en/places/ma-barre.html
- Berlin https://knowledge.ivjn.us/en/places/ma-berlin.html
- Blackstone https://knowledge.ivjn.us/en/places/ma-blackstone.html
- Bolton https://knowledge.ivjn.us/en/places/ma-bolton.html
- Boylston https://knowledge.ivjn.us/en/places/ma-boylston.html

Sources:
- Worcester County (Wikipedia) https://en.wikipedia.org/wiki/Worcester_County
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html