Residential delivery area · Massachusetts
ZIP Code 02646: Harwich Port, MA
ZIP code 02646 is in Harwich Port, Massachusetts, entirely in Barnstable County (Census 2020 ZIP-county file). About 1,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,172 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Harwich Port (74%) and Northwest Harwich (22%), and 5% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Harwich Port · its only residential ZIP
- County
- Barnstable County
- Census places
- Harwich Port (74%) census-designated place; Northwest Harwich (22%) census-designated place
- Metro area
- Barnstable Town, MA
- House district
- MA-9 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 2.9 sq mi · 636 people per sq mi
Where is ZIP code 02646?
02646 centers on 41.671°, -70.071° and covers 2.9 square miles of land plus 0.2 of water. It borders 3 ZIP codes: 02671, 02645, 02659.
The map draws ZIP code areas only. For the streets inside 02646, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 02646 compare with the rest of Barnstable County?
| Measure | 02646 | In Barnstable County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,846 | 31st of 48 | 429th of 539 |
| Median household income | $81k | 19th of 24 | 325th of 406 |
| Median home value | $896k | 4th of 33 | 64th of 449 |
Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 02646?
The 2020 Census counted 1,926 people in 02646; the ACS, which samples households over 2020-2024, estimates 1,846. Between the 2010 and 2020 censuses its population grew 14.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,846±424 (90% margin)
- 2020 Census count
- 1,926+14.9% since 2010 (1,676)
- Households
- 957
- Median age
- 59.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 02646?
Of the 1,846 people the ACS estimates in 02646, 9.7% are under 18 and 38.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.2%).
- Under 189.7%
- 18 to 6451.6%
- 65 and older38.7%
- White, not Hispanic91.2%
- Other or two or more6.7%
- Asian, not Hispanic0.8%
- Hispanic or Latino0.8%
- Black, not Hispanic0.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 02646 earn?
Median household income is $81,172 (ACS 2020-2024), the 19th highest of the 24 ranked ZIP codes in Barnstable County. It is not measurably different from 2015-2019 ($83,157 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $81,172±$15,525
- Income per person
- $73,587
- Below the poverty line
- 6.4%
- Unemployed (of the labor force)
- 11.0%
- Adults 25+ with a bachelor's degree
- 70.6%
- Adjusted gross income per tax return, 2022
- $128,3091,270 returns; wages 49% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 02646?
FHFA's house price index for 02646, built from repeat sales and appraisals of the same homes, rose 97% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved −8.0% in 2025.
- Median home value (owners' estimate)
- $896,000
- Median gross rent
- $2,282
- Homes owned by their occupants
- 82.8%
- Housing units
- 2,610
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 02646?
121 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services26
- Retail trade22
- Other services (except public administration)12
- Construction11
- Administrative and support and waste management and remediation services9
- Real estate and rental and leasing8
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 02646?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02671 | West Harwich | 818 | $105k | 2.0 mi |
| 02645 | Harwich | 11,288 | $104k | 2.2 mi |
| 02659 | South Chatham | 1,137 | $110k | 2.6 mi |
| 02639 | Dennis Port | 3,808 | $73k | 3.4 mi (near) |
| 02633 | Chatham | 4,512 | $86k | 4.9 mi (near) |
| 02660 | South Dennis | 6,381 | $93k | 5.1 mi (near) |
| 02670 | West Dennis | 1,087 | $87k | 5.2 mi (near) |
| 02631 | Brewster | 10,061 | $102k | 5.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.