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zipcodes.pro — CITY/MA/DENNIS

Dennis ZIP code, Massachusetts

The ZIP code for Dennis, MA is 02638, and its area codes are 508 and 774.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,424
Area codes
508, 774

Mail addressed to Dennis uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Dennis in numbers

About 2,424 people live in Dennis, in 1,139 households. The median household income is $109,882 a year, 6% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $944,500 (68% above the Massachusetts median), and median gross rent is $1,199 a month. The median age is 63.3; 56.5% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 16 minutes.

Population2,424Dennis2,424
Households1,139Dennis1,139
Median age63.3Dennis63.3Massachusetts40.0US 38.9
Median household income$109,882Dennis$109,882Massachusetts$103,960US $80,734
Median home value$944,500Dennis$944,500Massachusetts$562,100US $332,700
Median gross rent$1,199Dennis$1,199Massachusetts$1,762US $1,413
Bachelor's degree or higher56.5%Dennis56.5%Massachusetts47.3%US 35.7%
Mean commute15.6 minDennis15.6 minMassachusetts29.1 minUS 26.4 min
Population density494 / sq miDennis494 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Dennis CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dennis

ZIP codes with the USPS city name Dennis
ZIP City Type Population Median income Median home
02638 Dennis , MA Standard 3,253 $108,726 $827,900

Other ZIP codes overlapping Dennis

These ZIP codes cover part of Dennis but are addressed as somewhere else.

ZIP codes overlapping Dennis
ZIP City Type Population Median income Median home
02660 South Dennis , MA Standard 6,381 $93,386 $559,600

Map of Dennis ZIP codes

The ZIP codes of Dennis, MA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dennis

The nearest larger towns are Yarmouth Port (5,961 people, 2.0 mi), East Dennis (3,062 people, 2.1 mi) and South Dennis (3,135 people, 3.0 mi).

Towns near Dennis
TownPopulationDistance
Yarmouth Port 5,961 2.0 mi
East Dennis 3,062 2.1 mi
South Dennis 3,135 3.0 mi
South Yarmouth 11,552 4.4 mi
West Dennis 2,556 4.7 mi
Dennis Port 3,691 5.3 mi
Northwest Harwich 3,932 5.4 mi
West Yarmouth 6,194 6.3 mi
East Harwich 5,654 8.7 mi
Barnstable Town 49,568 9.5 mi
East Sandwich 3,864 12.0 mi
Sandwich 2,890 15.6 mi
Forestdale 3,801 16.5 mi
Sagamore 4,072 17.6 mi

More nearby: every ZIP code in Barnstable County · Massachusetts ZIP codes

Cite this page

zipcodes.pro. “Dennis, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/dennis

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