Harwich is a town in Barnstable County, Massachusetts, home to about 13,598 people across 21 square miles. Its ZIP codes are 02645, 02646 and 02671.
Homes sold for a median of $537 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
All in Harwich
Each card is that ZIP code’s whole market, including any part outside Harwich. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Harwich’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Boston Logan International Airport (BOS)67 miles away |
|---|---|
| Closer regional airport | Cape Cod Gateway Airport (HYA)11 miles away |
| Nearest city of 250,000+ | Boston, MA66 miles away |
| Nearest city of 1 million+ | New York, NY214 miles away |
Straight-line distances from the center of Harwich; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Harwich had 13,440 residents in the 2020 census, up 9% since 2000.
It’s the 150th largest of 351 towns in Massachusetts by population.
Barnstable County grew from 27,826 residents in 1900 to 228,996 in 2020.
Barnstable County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 24°F. About 46.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, W Harwich, MA weather station (3 miles away).
76,963 jobs at 8,957 businesses in Barnstable County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
132 doctors and other health care providers list an office in Harwich’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 22 |
|---|---|
| Specialist doctors | 8 |
| Dentists | 13 |
| Nurse practitioners and physician assistants | 29 |
| Mental health providers | 32 |
| Physical and occupational therapists | 23 |
| Optometrists | 1 |
| Chiropractors | 4 |
| Pharmacies | 5 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Grocery stores (3 nearby)
Pharmacies (2 nearby)
Libraries (5 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Monomoy Regional School District, Cape Cod Lighthouse Charter, Cape Cod Regional Vocational Technical. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Harwich Elementary SchoolHarwich | Pre-K–4 | 449 | Public | 1.2 mi |
| Cape Cod Lighthouse Charter SchoolEast Harwich | 6–8 | 251 | Charter | 2.4 mi |
| Monomoy Regional High SchoolHarwich | 8–12 | 738 | Public | 0.3 mi |
| Cape Cod Region Vocational TechnicalHarwich | 9–12 | 682 | Career and Technical | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.