Onset, MA Profile: Facts & Data


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Onset, Massachusetts - Basic Facts

The Onset Census Designated Place had a population of 1,659 as of July 1, 2018. Onset ranks in the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for Onset is located at latitude 41.746 and longitude -70.6682 in Plymouth County. The formal boundaries for the Onset Census Designated Place (see map below) encompass a land area of 1.08 sq. miles and a water area of 0.22 sq. miles. Plymouth County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The Onset Census Designated Place (GNIS ID: 2378196) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Onset Census Designated Place is located within Town of Wareham, a minor civil division (MCD) of Plymouth County.

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  1. Onset 2018 Demographic Data
  2. Growth Rates for Onset (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Massachusetts Research Tools (Easy Tools & Current Data)
  3. Massachusetts Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Onset, MA Data & Demographics (As of July 1, 2018)


Total Population 1,659
Population in Households 1,659
Population in Familes 1,205
Population in Group Qrtrs 0
Population Density2 1,539
Diversity Index3 61


Median Household Income $63,071
Average Household Income $85,250
Per Capita Income $38,745


Total Housing Units 1,259 (100%)
Owner Occupied HU 414 (32.9%)
Renter Occupied HU 340 (27.0%)
Vacant Housing Units 505 (40.1%)
Median Home Value $274,812
Average Home Value $368,780


Total Households 754
Average Household Size 2.2
Family Households 407
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.65% 0.71%
Households 0.56% 0.65%
Families 0.52% 0.63%
Median Household Income   3.95%
Per Capita Income   3.9%

Onset, MA - Peer Comparisons by Rank and Percentile

The table below compares Onset to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 205 17th
Population Density # 116 53rd
Diversity Index # 25 90th
Median Household Income # 174 30th
Per Capita Income # 136 45th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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Compare Massachusetts July 1, 2018 Data
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