Interpretation of Demographics Data
Demographic Data Report for Massachusetts by County
Population: Age 40 and over
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 48.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 162,458,898.
- Rank within US : N/A
Massachusetts
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 50.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,520,368.
- Rank within US : This county is ranked 18 of 52
Suffolk County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 40.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 316,092.
- Rank within US : This county is ranked 3021 of 3143
Hampshire County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 47.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 76,705.
- Rank within US : This county is ranked 2512 of 3143
Middlesex County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 791,916.
- Rank within US : This county is ranked 2371 of 3143
Hampden County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 49.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 231,098.
- Rank within US : This county is ranked 2056 of 3143
Worcester County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 50.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 436,550.
- Rank within US : This county is ranked 1962 of 3143
Bristol County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 297,957.
- Rank within US : This county is ranked 1740 of 3143
Norfolk County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 373,590.
- Rank within US : This county is ranked 1740 of 3143
Essex County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 419,085.
- Rank within US : This county is ranked 1669 of 3143
Plymouth County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 53.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 288,101.
- Rank within US : This county is ranked 1103 of 3143
Nantucket County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,066.
- Rank within US : This county is ranked 738 of 3143
Berkshire County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 57.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 74,979.
- Rank within US : This county is ranked 459 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 58.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 41,550.
- Rank within US : This county is ranked 378 of 3143
Dukes County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 62.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,023.
- Rank within US : This county is ranked 163 of 3143
Barnstable County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 65.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 151,656.
- Rank within US : This county is ranked 62 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/23/2026 3:10 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 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.