PUBLIC REGISTRY INFORMATION
507 registered sex offenders in Essex County, Massachusetts
Explore registry information in Essex County and check nearby locations on the free map.
Registry snapshot
October 7, 2026- Registry records
- 507
- Registry source
- Massachusetts Sex Offender Registry
Informational snapshot; verify current details with the official registry.
Registry context
Population & local comparison- Registry records per 10,000 residents
- 6.2
- Population estimate
- 813,054
- About 1 registry record per
- 1,604 residents
U.S. Census Bureau, ACS 5-year estimate. Records relative to population, not the share of residents on a registry.
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Cities associated with Essex County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| Boston | 243 | 666,442 | 3.6 |
| Dorchester | 158 | — | — |
| Holyoke | 100 | 37,813 | 26.4 |
| Salem | 38 | 44,795 | 8.5 |
| Gardner | 37 | 21,148 | 17.5 |
| Plymouth | 28 | 7,918 | 35.4 |
| Beverly | 23 | 42,665 | 5.4 |
| Cambridge | 22 | 118,796 | 1.9 |
| Saugus | 15 | 28,773 | 5.2 |
| Woburn | 14 | 41,939 | 3.3 |
| Danvers | 11 | 28,098 | 3.9 |
| Amesbury | 9 | 17,403 | 5.2 |
| Bellingham | 6 | 5,325 | 11.3 |
| Swampscott | 4 | 15,277 | 2.6 |
| Andover | 3 | 9,451 | 3.2 |
| Boxford | 3 | 2,284 | 13.1 |
| Groveland | 3 | — | — |
| Byfield | 2 | — | — |
| Ipswich | 2 | 4,924 | 4.1 |
| Nahant | 1 | 3,325 | 3.0 |
ZIP codes associated with Essex County
| Location | Registry records | Population estimate | Records per 10,000 |
|---|---|---|---|
| ZIP code 01040 | 98 | 37,813 | 25.9 |
| ZIP code 01420 | 81 | 41,839 | 19.4 |
| ZIP code 01841 | 51 | 52,769 | 9.7 |
| ZIP code 02721 | 42 | 26,521 | 15.8 |
| ZIP code 01440 | 40 | 21,276 | 18.8 |
| ZIP code 01550 | 38 | 17,928 | 21.2 |
| ZIP code 01970 | 38 | 44,738 | 8.5 |
| ZIP code 01830 | 26 | 26,530 | 9.8 |
| ZIP code 01832 | 23 | 26,386 | 8.7 |
| ZIP code 01854 | 21 | 30,081 | 7.0 |
| ZIP code 01801 | 15 | 41,939 | 3.6 |
| ZIP code 01906 | 15 | 28,773 | 5.2 |
| ZIP code 01904 | 12 | 21,003 | 5.7 |
| ZIP code 01826 | 10 | 32,629 | 3.1 |
| ZIP code 01913 | 9 | 17,403 | 5.2 |
| ZIP code 01835 | 6 | 14,782 | 4.1 |
| ZIP code 01880 | 5 | 27,793 | 1.8 |
| ZIP code 01810 | 3 | 35,648 | 0.8 |
| ZIP code 01834 | 3 | 6,777 | 4.4 |
| ZIP code 01966 | 2 | 7,009 | 2.9 |
Other counties 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 |
| 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 |
Each linked area shows its own total. Geographic totals overlap and should not be added together; cities and ZIP codes can cross county boundaries. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.
Frequently asked questions
How many registered sex offenders are listed in Essex County?
The October 7, 2026 snapshot lists 507 registered sex offenders in Essex County, Massachusetts. Counts are informational and may differ from official registry totals.
How are the associated areas shown?
The linked areas share registry locations with Essex County. City, county and ZIP boundaries can differ, and their totals should not be added together.
How can I check registry information near an address?
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