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 2026 population of 1,558. Onset is currently declining at a rate of -0.06% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Onset is $137,997 with a poverty rate of 4.78%. The median age in Onset is 34.4 years: 34.9 years for males, and 32.6 years for females. For every 100 females there are 157.9 males.

1.6K
Total Population
1,445
Density (mi²)
-1 -0.06%
Growth

Onset Population

Onset Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,558-1-0.06%
20251,559-1-0.06%

Median Age

Overall: 34.4 years
Female: 32.6 years
Male: 34.9 years

Onset Adults

There are 1,049 adults, (143 of whom are seniors) in Onset.

Sex Ratio

Female: 535 (38.8%)
Male: 845 (61.2%)

Demographics

The racial composition of Onset includes 69.06% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White95369.06%
Two or more races42730.94%
Race
Population ↓
Percentage (of total)
Two or more races27219.71%
Race
Population ↓
Percentage (of total)
White95369.06%
Two or more races15511.23%

Onset Marital Status

Economics and Income Statistics

Onset 's average per capita income is $74,623. Household income levels show a median of $137,997. The poverty rate stands at 4.78%.

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$148,506$146,010
Married Families$138,892-
Households$137,997$123,235
Non Families--

$74,623

Average Income

$137,997

Median Household Income

4.78%

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)