Interpretation of Demographics Data
Demographic Data Report for Massachusetts by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 29.5 percent.
- People (Age 18-39) : The number of people (age 18-39) is 98,945,767.
- Rank within US : N/A
Massachusetts
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 30.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 2,159,507.
- Rank within US : This county is ranked 9 of 52
Barnstable County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 47,308.
- Rank within US : This county is ranked 2927 of 3143
Dukes County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.0 percent.
- People (Age 18-39) : The number of people (age 18-39) is 4,397.
- Rank within US : This county is ranked 2860 of 3143
Nantucket County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 3,442.
- Rank within US : This county is ranked 2253 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 24.8 percent.
- People (Age 18-39) : The number of people (age 18-39) is 17,591.
- Rank within US : This county is ranked 1934 of 3143
Plymouth County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 25.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 136,138.
- Rank within US : This county is ranked 1712 of 3143
Berkshire County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 33,789.
- Rank within US : This county is ranked 1451 of 3143
Essex County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 27.6 percent.
- People (Age 18-39) : The number of people (age 18-39) is 224,484.
- Rank within US : This county is ranked 961 of 3143
Bristol County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 28.3 percent.
- People (Age 18-39) : The number of people (age 18-39) is 164,824.
- Rank within US : This county is ranked 808 of 3143
Norfolk County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 28.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 207,179.
- Rank within US : This county is ranked 782 of 3143
Worcester County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 29.1 percent.
- People (Age 18-39) : The number of people (age 18-39) is 252,317.
- Rank within US : This county is ranked 638 of 3143
Hampden County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 29.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 134,956.
- Rank within US : This county is ranked 615 of 3143
Middlesex County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 32.2 percent.
- People (Age 18-39) : The number of people (age 18-39) is 527,584.
- Rank within US : This county is ranked 276 of 3143
Hampshire County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 38.4 percent.
- People (Age 18-39) : The number of people (age 18-39) is 62,281.
- Rank within US : This county is ranked 79 of 3143
Suffolk County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 43.7 percent.
- People (Age 18-39) : The number of people (age 18-39) is 343,217.
- Rank within US : This county is ranked 26 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/23/2026 6:40 am.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.
Data for United States does not include Puerto Rico.