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Where am ILOCATED

Norfolk County, Massachusetts

Norfolk County, Massachusetts, has 739,749 residents (July 2025 estimate). Its county seat is Dedham. It uses Eastern Time and covers 396 sq mi (1,026 km²) of land.

BostonWorcesterSpringfield
Norfolk County in Massachusetts
Suffolk CountyQuincyBrooklineWeymouth TownBraintree TownRandolph Town
Norfolk County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
739,749
Land area
396 sq mi (1,026 km²)
County seat or government
Dedham
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$130,739 ± $2,551
Median home value
$683,900 ± $5,690
Median rent, with utilities
$2,149 ± $29
Homes lived in by their owners
68.7% ± 0.7 points
County type
County
Metro or micro area
Boston-Cambridge-Newton, MA-NH metro areaCentral county
Water area
48.2 sq mi (125 km²)
State
Massachusetts
County code (FIPS)
25021
Coordinates (central point)
42.171741, -71.181111
Open this point in the location finder

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 Norfolk 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. 0216962,993 people
  2. 0218438,899 people
  3. 0236834,912 people
  4. 0203833,154 people
  5. 0206231,542 people
  6. 0244631,310 people
  7. 0207229,225 people
  8. 0218628,735 people
  9. 0202625,237 people
  10. 0202124,748 people
  11. 0221524,581 people
  12. 0246723,001 people
All 41
  1. 0244522,560 people
  2. 0249221,424 people
  3. 0217120,164 people
  4. 0219019,695 people
  5. 0208119,343 people
  6. 0217018,809 people
  7. 0203518,615 people
  8. 0206718,538 people
  9. 0248117,415 people
  10. 0201917,410 people
  11. 0209016,318 people
  12. 0218816,179 people
  13. 0218914,450 people
  14. 0205313,436 people
  15. 0205213,068 people
  16. 0209312,297 people
  17. 0205611,673 people
  18. 0234311,346 people
  19. 0248211,051 people
  20. 0249411,035 people
  21. 027629,943 people
  22. 020548,888 people
  23. 020258,427 people
  24. 021918,181 people
  25. 020305,930 people
  26. 020324,992 people
  27. 023224,774 people
  28. 020712,089 people
  29. 024571,881 people

41 ZIP Code areas overlap Norfolk 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 Norfolk County, largest first

  1. Town of Brookline63,266 people
  2. Town of Needham32,459 people
  3. Town of Norwood31,542 people
  4. Town of Wellesley30,347 people
  5. Town of Stoughton29,225 people
  6. Town of Milton28,587 people
  7. Town of Walpole26,388 people
  8. Town of Dedham25,237 people
  9. Town of Canton24,748 people
  10. Town of Foxborough18,615 people
  11. Town of Sharon18,574 people
  12. Town of Bellingham17,410 people
All 23
  1. Town of Westwood16,318 people
  2. Town of Medway13,436 people
  3. Town of Medfield13,068 people
  4. Town of Wrentham12,297 people
  5. Town of Norfolk11,673 people
  6. Town of Holbrook11,380 people
  7. Town of Plainville9,943 people
  8. Town of Millis8,888 people
  9. Town of Cohasset8,427 people
  10. Town of Dover5,930 people
  11. Town of Avon4,774 people

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

School districts in Norfolk County, largest first

  1. Quincy School District102,114 people
  2. Brookline School District63,266 people
  3. Weymouth School District58,505 people
  4. Braintree School District38,899 people
  5. Randolph School District34,878 people
  6. King Philip School District33,913 people
  7. Franklin School District33,154 people
  8. Needham School District32,459 people
  9. Norwood School District31,542 people
  10. Wellesley School District30,347 people
  11. Stoughton School District29,225 people
  12. Milton School District28,587 people
All 30
  1. Walpole School District26,388 people
  2. Dedham School District25,237 people
  3. Canton School District24,748 people
  4. Foxborough School District18,615 people
  5. Sharon School District18,574 people
  6. Bellingham School District17,410 people
  7. Westwood School District16,318 people
  8. Medway School District13,436 people
  9. Medfield School District13,068 people
  10. Wrentham School District12,297 people
  11. Norfolk School District11,673 people
  12. Holbrook School District11,380 people
  13. Dover-Sherborn School District10,357 people
  14. Plainville School District9,943 people
  15. Millis School District8,888 people
  16. Cohasset School District8,427 people
  17. Dover School District5,930 people
  18. Avon School District4,774 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. Quincy, Massachusetts (city)102,114 people
  2. Brookline, Massachusetts (CDP)63,266 people
  3. Weymouth Town, Massachusetts (city)58,505 people
  4. Braintree Town, Massachusetts (city)38,899 people
  5. Randolph Town, Massachusetts (city)34,878 people
  6. Franklin Town, Massachusetts (city)33,154 people
  7. Needham, Massachusetts (CDP)32,459 people
  8. Norwood, Massachusetts (CDP)31,542 people
  9. Wellesley, Massachusetts (CDP)30,347 people
  10. Milton, Massachusetts (CDP)28,587 people
  11. Dedham, Massachusetts (CDP)25,237 people
  12. Holbrook, Massachusetts (CDP)11,380 people
All 19
  1. Medfield, Massachusetts (CDP)6,849 people
  2. Walpole, Massachusetts (CDP)6,461 people
  3. Foxborough, Massachusetts (CDP)6,251 people
  4. Sharon, Massachusetts (CDP)6,232 people
  5. Bellingham, Massachusetts (CDP)5,325 people
  6. Millis-Clicquot, Massachusetts (CDP)4,437 people
  7. Dover, Massachusetts (CDP)2,308 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Suffolk County, Massachusetts14 mi northeast
  2. Middlesex County, Massachusetts24 mi northwest
  3. Plymouth County, Massachusetts26 mi southeast
  4. Providence County, Rhode Island29 mi southwest
  5. Bristol County, Massachusetts30 mi south
  6. Worcester County, Massachusetts40 mi west

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.