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. For every 100 females there are 149.8 males.

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 and multiracial populations.

Population by Race

White (65.53%)

Two or more races (27.99%)

Black or African American (3.4%)

Other race (3.07%)

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

Onset Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)