Northwest Harwich, MA ZIP Codes
3 ZIP codes serve Northwest Harwich, Massachusetts: 02645, 02646 and 02671. Together they are home to 13,952 residents in 6,541 households. That is more than the 3,932 people counted inside Northwest Harwich Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $81,172 in 02646 to $104,401 in 02645.
Northwest Harwich Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 3,932 |
| Households | 1,673 |
| Median household income | $107,730 |
| Median home value | $665,100 |
| Median age | 56.6 |
| Median rent | $2,486 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 13,952 |
| Households (sum of ZIP codes) | 6,541 |
| Median household income, range across ZIP codes | $81,172 (02646) to $104,401 (02645) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $100,772 |
| Homeowners | 85.2% |
| Households with kids under 18 | 16.7% |
| Moved in the past year | 7.9% |
| Carrier routes in EDDM2GO's route library | 15 routes, 7,849 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Northwest Harwich: 02645 ($104,401)
- Most residents: 02645 (11,288 people)
- Highest homeownership: 02645 (84.4% own their home)
- Most households with kids: 02645 (18.0% of households)
- Most new movers: 02646 (13.3% moved in last year)
- Youngest median age: 02645 (57.3 years)
- Highest median home value: 02646 ($896,000)
Every ZIP code in Northwest Harwich
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 02645 | Harwich | 11,288 | 5,169 | $104,401 | $648,200 | 84.4% | 18.0% | 7.0% | 10 | 5,778 | 33% of its land |
| 02646 | Harwich Port | 1,846 | 957 | $81,172 | $896,000 | 82.8% | 15.4% | 13.3% | 3 | 1,452 | 22% of its land |
| 02671 | West Harwich | 818 | 415 | $104,583 | $635,100 | 100.0% | 2.9% | 8.3% | 2 | 915 | 100% of its land |
A ZIP code is listed for Northwest Harwich when at least 10% of its land lies inside the Northwest Harwich Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Northwest Harwich. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Northwest Harwich.
Counties
- Barnstable County — 48 ZIP codes
Nearby cities sharing these ZIP codes
- East Harwich — 1 ZIP code
Price a mailing to Northwest Harwich ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Northwest Harwich, MA?
- 02645, 02646 and 02671. A ZIP code is listed for Northwest Harwich when at least 10% of its land lies inside the Northwest Harwich Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Northwest Harwich.
- What is the population of Northwest Harwich, MA?
- The Census Bureau counts 3,932 residents inside Northwest Harwich Census-designated place (ACS 2020–2024). The 3 ZIP codes that serve Northwest Harwich hold 13,952 residents in all.
- What is the median household income in Northwest Harwich, MA?
- $107,730 inside Northwest Harwich Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $81,172 to $104,401.
- Which Northwest Harwich ZIP code has the highest median household income?
- 02645, at $104,401, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Northwest Harwich, MA?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 15 carrier routes reaching 7,849 residential and 284 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.