Essex County, Massachusetts

Essex County, Massachusetts, has 826,653 residents (July 2025 estimate). Its county seat is Salem. It uses Eastern Time and covers 493 sq mi (1,276 km²) of land.

BostonWorcesterSpringfield
Essex County in Massachusetts
Middlesex CountyLynnLawrenceHaverhillPeabodyMethuen
Essex County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
826,653
Land area
493 sq mi (1,276 km²)
County seat or government
Salem
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$101,883 ± $1,515
Median home value
$619,100 ± $3,976
Median rent, with utilities
$1,756 ± $23
Homes lived in by their owners
63.5% ± 0.7 points
County type
County
Metro or micro area
Boston-Cambridge-Newton, MA-NH metro areaCentral county
Water area
336 sq mi (870 km²)
State
Massachusetts
County code (FIPS)
25009
Coordinates (central point)
42.642708, -70.864909

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Essex County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 0196054,474 people
  2. 0184453,420 people
  3. 0184152,769 people
  4. 0190250,066 people
  5. 0197044,738 people
  6. 0191541,994 people
  7. 0181035,648 people
  8. 0182632,629 people
  9. 0184532,494 people
  10. 0187631,004 people
  11. 0193030,075 people
  12. 0190628,773 people
All 46
  1. 0190528,221 people
  2. 0192327,991 people
  3. 0184327,445 people
  4. 0183026,530 people
  5. 0183226,386 people
  6. 0190421,003 people
  7. 0194520,470 people
  8. 0195018,652 people
  9. 0191317,403 people
  10. 0190715,277 people
  11. 0183514,782 people
  12. 0193813,930 people
  13. 0194013,285 people
  14. 019499,816 people
  15. 019529,281 people
  16. 018408,522 people
  17. 018338,432 people
  18. 019218,250 people
  19. 019827,680 people
  20. 019667,009 people
  21. 018346,777 people
  22. 018606,748 people
  23. 019836,564 people
  24. 019696,251 people
  25. 019445,403 people
  26. 019844,929 people
  27. 019854,591 people
  28. 019293,621 people
  29. 019223,450 people
  30. 019513,327 people
  31. 019083,325 people
  32. 019012,419 people
  33. 01965671 people
  34. 01937107 people

46 ZIP Code areas overlap Essex County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Towns in Essex County, largest first

  1. Town of Andover36,652 people
  2. Town of North Andover31,490 people
  3. Town of Saugus28,773 people
  4. Town of Danvers28,098 people
  5. Town of Marblehead20,413 people
  6. Town of Swampscott15,277 people
  7. Town of Ipswich13,930 people
  8. Town of Lynnfield13,064 people
  9. Town of Middleton9,816 people
  10. Town of Salisbury9,281 people
  11. Town of Georgetown8,474 people
  12. Town of Boxford8,208 people
All 24
  1. Town of Hamilton7,600 people
  2. Town of Rockport7,009 people
  3. Town of Groveland6,777 people
  4. Town of Newbury6,777 people
  5. Town of Merrimac6,748 people
  6. Town of Topsfield6,564 people
  7. Town of Rowley6,251 people
  8. Town of Manchester-by-the-Sea5,403 people
  9. Town of Wenham4,929 people
  10. Town of West Newbury4,591 people
  11. Town of Essex3,701 people
  12. Town of Nahant3,325 people

People counts are American Community Survey 2020–2024 5-year estimates. All towns in Massachusetts, by county

School districts in Essex County, largest first

  1. Lynn School District101,709 people
  2. Lawrence School District88,736 people
  3. Haverhill School District67,698 people
  4. Peabody School District54,695 people
  5. Methuen School District53,475 people
  6. Salem School District44,795 people
  7. Beverly School District42,665 people
  8. Andover School District36,652 people
  9. North Andover School District31,490 people
  10. Gloucester School District30,075 people
  11. Saugus School District28,773 people
  12. Danvers School District28,098 people
All 30
  1. Masconomet School District24,588 people
  2. Triton School District22,309 people
  3. Marblehead School District20,413 people
  4. Newburyport School District18,652 people
  5. Pentucket School District18,116 people
  6. Amesbury School District17,403 people
  7. Swampscott School District15,277 people
  8. Ipswich School District13,930 people
  9. Lynnfield School District13,064 people
  10. Hamilton-Wenham School District12,529 people
  11. Middleton School District9,816 people
  12. Manchester Essex Regional School District9,104 people
  13. Georgetown School District8,474 people
  14. Boxford School District8,208 people
  15. Rockport School District7,009 people
  16. Topsfield School District6,564 people
  17. Nahant School District3,325 people
  18. Swampscott School District in Nahant (7-12)3,325 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Lynn, Massachusetts (city)101,709 people
  2. Lawrence, Massachusetts (city)88,736 people
  3. Haverhill, Massachusetts (city)67,698 people
  4. Peabody, Massachusetts (city)54,695 people
  5. Methuen, Massachusetts (city)53,475 people
  6. Salem, Massachusetts (city)44,795 people
  7. Beverly, Massachusetts (city)42,665 people
  8. Gloucester, Massachusetts (city)30,075 people
  9. Saugus, Massachusetts (CDP)28,773 people
  10. Danvers, Massachusetts (CDP)28,098 people
  11. Marblehead, Massachusetts (CDP)20,413 people
  12. Newburyport, Massachusetts (city)18,652 people
All 24
  1. Amesbury, Massachusetts (city)17,403 people
  2. Swampscott, Massachusetts (CDP)15,277 people
  3. Lynnfield, Massachusetts (CDP)13,064 people
  4. Andover, Massachusetts (CDP)9,451 people
  5. Salisbury, Massachusetts (CDP)5,656 people
  6. Ipswich, Massachusetts (CDP)4,924 people
  7. Rockport, Massachusetts (CDP)4,704 people
  8. Nahant, Massachusetts (CDP)3,325 people
  9. Topsfield, Massachusetts (CDP)2,624 people
  10. Boxford, Massachusetts (CDP)2,284 people
  11. Rowley, Massachusetts (CDP)1,708 people
  12. Essex, Massachusetts (CDP)1,688 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Suffolk County, Massachusetts22 mi south
  2. Rockingham County, New Hampshire27 mi northwest
  3. Middlesex County, Massachusetts29 mi west
  4. Hillsborough County, New Hampshire47 mi northwest

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 where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.