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Where am ILOCATED

Barnstable County, Massachusetts

Barnstable County, Massachusetts, has 233,539 residents (July 2025 estimate). Its county seat is Barnstable. It uses Eastern Time and covers 394 sq mi (1,021 km²) of land.

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Barnstable County in Massachusetts
Plymouth CountyBarnstable TownEast FalmouthYarmouth Port
Barnstable County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
233,539
Land area
394 sq mi (1,021 km²)
County seat or government
Barnstable
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$95,241 ± $2,510
Median home value
$629,000 ± $7,027
Median rent, with utilities
$1,678 ± $60
Homes lived in by their owners
81.1% ± 0.6 points
County type
County
Metro or micro area
Barnstable Town, MA metro areaCentral county
Water area
911 sq mi (2,360 km²)
State
Massachusetts
County code (FIPS)
25001
Coordinates (central point)
41.706123, -70.164823
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 Barnstable 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. 0253621,328 people
  2. 0260116,071 people
  3. 0264915,384 people
  4. 0253213,267 people
  5. 0263211,685 people
  6. 0264511,288 people
  7. 0256310,436 people
  8. 0263110,061 people
  9. 026649,949 people
  10. 026738,594 people
  11. 025408,104 people
  12. 026487,968 people
All 48
  1. 026757,297 people
  2. 026536,443 people
  3. 025376,383 people
  4. 026606,381 people
  5. 026425,811 people
  6. 026334,512 people
  7. 026554,024 people
  8. 026673,961 people
  9. 026393,808 people
  10. 026573,703 people
  11. 026443,700 people
  12. 026353,577 people
  13. 025623,402 people
  14. 026383,253 people
  15. 025562,868 people
  16. 026682,820 people
  17. 025592,802 people
  18. 026302,371 people
  19. 026461,846 people
  20. 025341,369 people
  21. 026591,137 people
  22. 026701,087 people
  23. 026501,032 people
  24. 02542882 people
  25. 02666863 people
  26. 02652845 people
  27. 02671818 people
  28. 02543747 people
  29. 02561670 people
  30. 02663443 people
  31. 02641316 people
  32. 02637227 people
  33. 02647209 people
  34. 0255330 people
  35. 026430 people
  36. 026720 people

48 ZIP Code areas overlap Barnstable 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 Barnstable County, largest first

  1. Town of Falmouth33,039 people
  2. Town of Yarmouth25,224 people
  3. Town of Sandwich20,522 people
  4. Town of Bourne20,323 people
  5. Town of Mashpee15,384 people
  6. Town of Dennis14,868 people
  7. Town of Harwich13,598 people
  8. Town of Brewster10,420 people
  9. Town of Chatham6,681 people
  10. Town of Orleans6,415 people
  11. Town of Eastham5,811 people
  12. Town of Wellfleet4,404 people
All 14
  1. Town of Provincetown3,703 people
  2. Town of Truro1,708 people

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

School districts in Barnstable County, largest first

  1. Barnstable School District49,568 people
  2. Dennis-Yarmouth School District40,092 people
  3. Falmouth School District33,039 people
  4. Nauset School District27,050 people
  5. Sandwich School District20,522 people
  6. Bourne School District20,323 people
  7. Monomoy Regional School District20,279 people
  8. Mashpee School District15,384 people
  9. Brewster School District10,420 people
  10. Orleans School District6,415 people
  11. Eastham School District5,811 people
  12. Wellfleet School District4,404 people
All 15
  1. Provincetown School District3,703 people
  2. Nauset/Provincetown School Districts in Turo (7-12)1,708 people
  3. Truro School District1,708 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.

Tribal areas in Barnstable County, largest first

  1. Mashpee Wampanoag Trust Land47 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

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

  1. Barnstable Town, Massachusetts (city)49,568 people
  2. South Yarmouth, Massachusetts (CDP)11,552 people
  3. East Falmouth, Massachusetts (CDP)6,245 people
  4. West Yarmouth, Massachusetts (CDP)6,194 people
  5. Yarmouth Port, Massachusetts (CDP)5,961 people
  6. East Harwich, Massachusetts (CDP)5,654 people
  7. Sagamore, Massachusetts (CDP)4,072 people
  8. Falmouth, Massachusetts (CDP)3,954 people
  9. Northwest Harwich, Massachusetts (CDP)3,932 people
  10. East Sandwich, Massachusetts (CDP)3,864 people
  11. Forestdale, Massachusetts (CDP)3,801 people
  12. Dennis Port, Massachusetts (CDP)3,691 people
All 40
  1. Provincetown, Massachusetts (CDP)3,452 people
  2. Monument Beach, Massachusetts (CDP)3,277 people
  3. South Dennis, Massachusetts (CDP)3,135 people
  4. East Dennis, Massachusetts (CDP)3,062 people
  5. Buzzards Bay, Massachusetts (CDP)2,909 people
  6. Sandwich, Massachusetts (CDP)2,890 people
  7. North Falmouth, Massachusetts (CDP)2,838 people
  8. West Dennis, Massachusetts (CDP)2,556 people
  9. Dennis, Massachusetts (CDP)2,424 people
  10. Pocasset, Massachusetts (CDP)2,247 people
  11. Harwich Port, Massachusetts (CDP)2,238 people
  12. North Eastham, Massachusetts (CDP)2,085 people
  13. Brewster, Massachusetts (CDP)1,994 people
  14. Bourne, Massachusetts (CDP)1,806 people
  15. Harwich Center, Massachusetts (CDP)1,774 people
  16. Teaticket, Massachusetts (CDP)1,759 people
  17. Chatham, Massachusetts (CDP)1,600 people
  18. Orleans, Massachusetts (CDP)1,480 people

See all 40 cities, towns and communities in Barnstable County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Plymouth County, Massachusetts35 mi northwest
  2. Dukes County, Massachusetts36 mi southwest

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.