Demographics in South Dennis, MA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is South Dennis?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
3,190
Male
1,578
49.5%
Female
1,612
50.5%
Median Age
55.2
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White91.5%
Black4.0%
Hispanic0.7%
Asian0.5%
Two or More0.8%
Other3.2%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
30.1%
High School or Higher
56.0%
Foreign Born
5.8%
Veterans
6.1%
Married
48.8%
Avg Household Size
2.0
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)South Dennis, MA has a population of 3,190 with a median age of 55.2. The racial makeup is 91.5% White, 0.7% Hispanic, 4.0% Black, 0.5% Asian. About 30.1% of residents hold a bachelor's degree or higher. The foreign-born population is 5.8%.