Residential delivery area · Massachusetts
ZIP Code 02639: Dennis Port, MA
ZIP code 02639 is in Dennis Port, Massachusetts, entirely in Barnstable County (Census 2020 ZIP-county file). About 3,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $72,567 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dennis Port · its only residential ZIP
- County
- Barnstable County
- Census places
- Dennis Port census-designated place
- Metro area
- Barnstable Town, MA
- House district
- MA-9 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 2.8 sq mi · 1,361 people per sq mi
Where is ZIP code 02639?
02639 centers on 41.668°, -70.137° and covers 2.8 square miles of land plus 0.3 of water. It borders 4 ZIP codes: 02671, 02670, 02660, 02645.
The map draws ZIP code areas only. For the streets inside 02639, 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 02639 compare with the rest of Barnstable County?
| Measure | 02639 | In Barnstable County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,808 | 21st of 48 | 367th of 539 |
| Median household income | $73k | 23rd of 24 | 353rd of 406 |
| Median home value | $514k | 29th of 33 | 235th of 449 |
Its median household income is higher than in 51% of U.S. residential ZIP codes, and it is denser than 81% 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 02639?
The 2020 Census counted 3,238 people in 02639; the ACS, which samples households over 2020-2024, estimates 3,808. Between the 2010 and 2020 censuses its population grew 12.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,808±579 (90% margin)
- 2020 Census count
- 3,238+12.6% since 2010 (2,875)
- Households
- 1,917
- Median age
- 50.4
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 02639?
Of the 3,808 people the ACS estimates in 02639, 9.7% are under 18 and 25.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (68.3%), then Hispanic or Latino (19.3%).
- Under 189.7%
- 18 to 6465.2%
- 65 and older25.1%
- White, not Hispanic68.3%
- Hispanic or Latino19.3%
- Other or two or more8.0%
- Black, not Hispanic3.4%
- Asian, not Hispanic1.0%
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 02639 earn?
Median household income is $72,567 (ACS 2020-2024), the 23rd highest of the 24 ranked ZIP codes in Barnstable County. It is not measurably different from 2015-2019 ($64,686 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $72,567±$9,307
- Income per person
- $52,157
- Below the poverty line
- 6.7%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 39.4%
- Adjusted gross income per tax return, 2022
- $65,9161,910 returns; wages 60% 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 02639?
FHFA's house price index for 02639, built from repeat sales and appraisals of the same homes, rose 122% from 2015 to 2025 and rose 70% from 2020 to 2025, and moved +8.8% in 2025.
- Median home value (owners' estimate)
- $514,200
- Median gross rent
- $1,496
- Homes owned by their occupants
- 70.2%
- Housing units
- 5,171
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 02639?
136 business establishments had a location in this ZIP code in 2023, 18 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services47
- Retail trade25
- Administrative and support and waste management and remediation services16
- Construction11
- Real estate and rental and leasing11
- Other services (except public administration)9
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 02639?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02671 | West Harwich | 818 | $105k | 1.3 mi |
| 02670 | West Dennis | 1,087 | $87k | 1.8 mi |
| 02660 | South Dennis | 6,381 | $93k | 3.0 mi |
| 02645 | Harwich | 11,288 | $104k | 4.5 mi |
| 02664 | South Yarmouth | 9,949 | $82k | 3.0 mi (near) |
| 02646 | Harwich Port | 1,846 | $81k | 3.4 mi (near) |
| 02638 | Dennis | 3,253 | $109k | 5.3 mi (near) |
| 02675 | Yarmouth Port | 7,297 | $111k | 5.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.