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Dennis

A town of 14,868 people in Barnstable County, Massachusetts
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Around town

The places and views that make it Dennis

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Outdoors in Dennis

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Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Ezra Baker School, Dennis, Cape Cod, Mass (86613)c. 1930
From Dennis’s story

Ezra Baker School, Dennis, Cape Cod, Mass (86613), c. 1930

Postcard · Wikimedia Commons

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About Dennis

Town in Massachusetts, United States
1639Established
14,674Population
22.3 sq miArea
23 ftElevation

Dennis is a town on Cape Cod in Massachusetts. It is a seaside resort town with colonial mansions along the northern Cape Cod Bay coastline and beaches along the southern Nantucket Sound. As of the 2020 census, its population was 14,674. The town encompasses five villages, each with its own post office: Dennis (including North Dennis), Dennis Port, East Dennis, South Dennis, and West Dennis.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in Dennis

Housing in Dennis

$679K▲ 3.4% in a year Typical home value · Zillow

The typical Dennis home is worth about $679,000, up 3.4% in a year, close to the Massachusetts typical home.

A seller's market

Buyer’sBalancedSeller’s
Days on market22
Sale-to-list97.2%
Sold in May18
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Dennis

B−

Safety Grade B-

Dennis reports more crime per resident than most U.S. towns we grade: about 51% report less.

Violent crime per 1,000
Dennis 3.6
Massachusetts 3
U.S. 3.3
Property crime per 1,000
Dennis 7.5
Massachusetts 10.4
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in Dennis

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C+

School Grade C+

The public schools Dennis’s kids attend, from kindergarten through graduation, trail 64% of Massachusetts’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

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DistrictDennis-YarmouthSchools1

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MA. Ratings are from neighbors.

Famous people from DennisWriters, athletes, leaders and more who were born in Dennis.Meet them →

Where Dennis is

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Imported town boundary

Massachusetts · MA · Barnstable CountyTown boundary on OpenStreetMap →

How things work in Dennis

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Dennis

Massachusetts · MA · Barnstable County
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01