Massachusetts · FIPS 25027 · County seat: Worcester
Worcester County, MA GIS & Parcel Viewer
Worcester County, Massachusetts parcel data lives on MassGIS Interactive Property Map. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Worcester County statewide map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Worcester County at a glance
| Official map | MassGIS Interactive Property Map |
|---|---|
| Type | Statewide map (covers all of Massachusetts) |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Worcester |
| Population | 866,866 (2023 Census Bureau estimate) |
| Land area | 1,511 sq mi |
| FIPS code | 25027 |
Who runs this map
This is a statewide map, not a county site. MassGIS Interactive Property Map covers parcels across Massachusetts, and Worcester County is one part of it. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Worcester County viewer
- Open MassGIS Interactive Property Map in a new tab and zoom to Worcester County (around Worcester).
- Type a street address into the search box, or click directly on a parcel.
- Review the parcel attributes; field names vary by state.
- Confirm anything important with the county assessor, since the statewide layer is a compiled copy.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
The U.S. Census Bureau estimated Worcester County's population at 866,866 in 2023, spread over about 1,511 square miles of land, or roughly 574 people per square mile. By population it ranks 2nd of 14 counties in Massachusetts. Its county seat is Worcester.
Nearby parcel maps
Parcels close to the edge of Worcester County can fall in the next county over. Neighboring counties:
- Franklin County
- Hampden County
- Hampshire County
- Middlesex County
- Norfolk County
- Cheshire County, NH
- Hillsborough County, NH
- Providence County, RI
- Tolland County, CT
- Windham County, CT
A note on accuracy
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.