PUBLIC REGISTRY INFORMATION
4,533 registered sex offenders in Massachusetts
See the October 2026 registry snapshot for Massachusetts, compare locations, and search the map near a specific address.
Registry snapshot
October 2026- Registry records
- 4,533
- Registry source
- Massachusetts Sex Offender Registry
- Counties represented
- 14
- Cities represented
- 394
- ZIP areas represented
- 433
This is a snapshot. Check the official registry for current information.
Registry statistics
Population and rate comparison- Registry records per 10,000 residents
- 6.4
Statewide rate for Massachusetts
- Population estimate
- 7,044,056
- About 1 registry record per
- 1,554 residents
About this snapshot
The October 2026 snapshot lists 4,533 registry records in Massachusetts. It includes 14 counties, 394 cities, and 433 ZIP areas. With an estimated population of 7,044,056, that is 6.4 registry records per 10,000 residents. City, county, and ZIP totals can overlap.
Explore registered offender addresses in Massachusetts
County distribution in Massachusetts
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Worcester County | 804 | 867,788 | 9.3 |
| Suffolk County | 722 | 785,121 | 9.2 |
| Hampden County | 689 | 462,815 | 14.9 |
| Bristol County | 552 | 582,270 | 9.5 |
| Middlesex County | 533 | 1,638,365 | 3.3 |
| Essex County | 507 | 813,054 | 6.2 |
| Plymouth County | 317 | 535,075 | 5.9 |
| Norfolk County | 226 | 730,082 | 3.1 |
| Berkshire County | 208 | 129,430 | 16.1 |
| Barnstable County | 138 | 231,668 | 6.0 |
| Hampshire County | 133 | 162,028 | 8.2 |
| Franklin County | 106 | 70,944 | 14.9 |
| Dukes County | 6 | 20,933 | 2.9 |
| Nantucket County | 3 | 14,483 | 2.1 |
City distribution in Massachusetts
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Dorchester | 158 | — | — |
| Webster | 27 | 12,228 | 22.1 |
| Adams | 15 | 5,427 | 27.6 |
| Agawam | 14 | — | — |
| Acushnet | 9 | — | — |
| Amesbury | 9 | 17,403 | 5.2 |
| Abington | 6 | 17,053 | 3.5 |
| Holbrook | 6 | 11,380 | 5.3 |
| Sandisfield | 6 | — | — |
| Belchertown | 5 | 2,355 | 21.2 |
| Amherst | 4 | — | — |
| Burlington | 4 | 26,274 | 1.5 |
| Dennisport | 4 | — | — |
| West Bridgewater | 3 | — | — |
| Acton | 1 | — | — |
| Adam | 1 | — | — |
| Agawan | 1 | — | — |
| Allston | 1 | — | — |
| Fairview Hts | 1 | — | — |
| New Salem | 1 | — | — |
Each area shows its own total. City, county, and ZIP totals can overlap. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.
Frequently asked questions
How many registered sex offenders are listed in Massachusetts?
The October 2026 snapshot lists 4,533 registry records in Massachusetts. Counts may differ from official registry totals. Check the official registry for current details.
How do city, county, and ZIP totals relate?
City, county, and ZIP boundaries can overlap, so the same registry record may appear in more than one area.
How can I check registry information near an address?
Open the free interactive map, enter an address, and choose a search radius. Verify identity and current status with the official registry.
Check a specific address
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