Essex County, Massachusetts
Essex County is a county in Massachusetts. Its county FIPS code is 25009. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 25009
- Representative coordinates
- 42.642708, -70.864909
- County type
- County
- County seat or government
- Salem
- Resident population, July 2025
- 826,653
- Land area
- 1,275.605 km²
- Water area
- 870.173 km²
- State
- Massachusetts
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Essex County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
01810 · 01826 · 01830 · 01832 · 01833 · 01834 · 01835 · 01840 · 01841 · 01843 · 01844 · 01845 · 01860 · 01876 · 01901 · 01902 · 01904 · 01905 · 01906 · 01907 · 01908 · 01913 · 01915 · 01921 · 01922 · 01923 · 01929 · 01930 · 01937 · 01938 · 01940 · 01944 · 01945 · 01949 · 01950 · 01951 · 01952 · 01960 · 01965 · 01966 · 01969 · 01970 · 01982 · 01983 · 01984 · 01985
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Amesbury city, MA
- Andover CDP, MA
- Beverly city, MA
- Boxford CDP, MA
- Danvers CDP, MA
- Essex CDP, MA
- Gloucester city, MA
- Haverhill city, MA
- Ipswich CDP, MA
- Lawrence city, MA
- Lynn city, MA
- Lynnfield CDP, MA
- Marblehead CDP, MA
- Methuen city, MA
- Nahant CDP, MA
- Newburyport city, MA
- Peabody city, MA
- Rockport CDP, MA
- Rowley CDP, MA
- Salem city, MA
- Salisbury CDP, MA
- Saugus CDP, MA
- Swampscott CDP, MA
- Topsfield CDP, MA
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.