Onset Flag

Onset

County:
Plymouth County
County Seat:
No
Area (mi²):
1.078
State:
Massachusetts

Onset is a CDP located in Plymouth County, Massachusetts. Onset has a 2025 population of 1,264. Onset is currently declining at a rate of -1.63% annually but its population has increased by 20.5% since the most recent census, which recorded a population of 1,049 in 2020.

The average household income in Onset is $112,812 with a poverty rate of 6.09%. The median age in Onset is 45.2 years: 48.5 years for males, and 40.2 years for females.

1.3K
Total Population
1,172
Density (mi²)
-21 -1.63%
Growth

Onset Population

Onset Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Onset includes 65.53% White, 3.4% Black or African American, 3.07% other race, and smaller percentages for Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White1,02365.53%
Two or more races43727.99%
Black or African American533.4%
Other race483.07%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

Onset Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Onset's average per capita income is $85,841. Household income levels show a median of $0. The poverty rate stands at 6.09%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$169,250$152,546
Non Families$51,522$48,899
Households-$112,812
Married Families--

$85,841

Average Income

$0

Median Household Income

6.09%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)