Residential delivery area · Massachusetts
ZIP Code 02670: West Dennis, MA
ZIP code 02670 is in West Dennis, Massachusetts, entirely in Barnstable County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $87,019 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- West Dennis · its only residential ZIP
- County
- Barnstable County
- Census places
- West Dennis census-designated place
- Metro area
- Barnstable Town, MA
- House district
- MA-9 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 2.1 sq mi · 512 people per sq mi
Where is ZIP code 02670?
02670 centers on 41.660°, -70.171° and covers 2.1 square miles of land plus 0.6 of water. It borders 3 ZIP codes: 02664, 02639, 02660.
The map draws ZIP code areas only. For the streets inside 02670, 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 02670 compare with the rest of Barnstable County?
| Measure | 02670 | In Barnstable County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,087 | 34th of 48 | 461st of 539 |
| Median household income | $87k | not ranked | not ranked |
| Median home value | $714k | 13th of 33 | 117th of 449 |
02670's median household income is not ranked: its 90% margin of error (±$25,755) is more than a quarter of the figure ($87,019). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 72% of 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 02670?
The 2020 Census counted 1,463 people in 02670; the ACS, which samples households over 2020-2024, estimates 1,087. Between the 2010 and 2020 censuses its population grew 11.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,087±244 (90% margin)
- 2020 Census count
- 1,463+11.9% since 2010 (1,307)
- Households
- 724
- Median age
- 67.9
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 02670?
Of the 1,087 people the ACS estimates in 02670, 0.0% are under 18 and 64.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.8%).
- Under 180.0%
- 18 to 6435.8%
- 65 and older64.2%
- White, not Hispanic96.8%
- Other or two or more3.2%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 02670 earn?
Median household income is $87,019 (ACS 2020-2024). It is not measurably different from 2015-2019 ($80,351 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $87,019±$25,755
- Income per person
- $92,333
- Below the poverty line
- 7.5%
- Unemployed (of the labor force)
- 1.3%
- Adults 25+ with a bachelor's degree
- 57.1%
- Adjusted gross income per tax return, 2022
- $108,152970 returns; wages 48% 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 02670?
FHFA's house price index for 02670, built from repeat sales and appraisals of the same homes, rose 119% from 2015 to 2025 and rose 69% from 2020 to 2025, and moved +13.0% in 2025.
- Median home value (owners' estimate)
- $714,100
- Median gross rent
- $1,594
- Homes owned by their occupants
- 82.9%
- Housing units
- 2,199
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 02670?
64 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services18
- Retail trade13
- Professional, scientific, and technical services9
- Other services (except public administration)5
- Construction4
- Real estate and rental and leasing4
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 02670?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02664 | South Yarmouth | 9,949 | $82k | 1.6 mi |
| 02639 | Dennis Port | 3,808 | $73k | 1.8 mi |
| 02660 | South Dennis | 6,381 | $93k | 3.4 mi |
| 02671 | West Harwich | 818 | $105k | 3.2 mi (near) |
| 02673 | West Yarmouth | 8,594 | $74k | 4.0 mi (near) |
| 02675 | Yarmouth Port | 7,297 | $111k | 4.4 mi (near) |
| 02638 | Dennis | 3,253 | $109k | 5.0 mi (near) |
| 02646 | Harwich Port | 1,846 | $81k | 5.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.