Middlesex County, Massachusetts Age & Gender Distribution (2024)
Population distribution by age and gender for Middlesex County, Massachusetts
Middlesex County, Massachusetts Age & Gender Statistics (2024)
Total Population
1,638,365
Median Age
38.9
Male Median
37.9
Female Median
39.9
Middlesex County, Massachusetts Population Growth
Middlesex County, Massachusetts Demographic Trend
Since 2010, the population of has changed by +10.7%%.
+10.7%% Growth
Middlesex County, Massachusetts Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Middlesex County, Massachusetts Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 38.9 | 1,638,365 |
| 2023 | 38.9 | 1,622,896 |
| 2022 | 38.8 | 1,623,109 |
| 2021 | 38.5 | 1,623,411 |
| 2020 | 38.5 | 1,605,899 |
| 2019 | 38.5 | 1,600,842 |
| 2018 | 38.5 | 1,595,192 |
| 2017 | 38.5 | 1,582,857 |
| 2016 | 38.5 | 1,567,610 |
| 2015 | 38.5 | 1,556,116 |
| 2014 | 38.5 | 1,539,832 |
| 2013 | 38.6 | 1,522,533 |
| 2012 | 38.5 | 1,507,558 |
| 2011 | 38.4 | 1,491,762 |
| 2010 | 38.3 | 1,479,491 |
Middlesex County, Massachusetts Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.0% |
| 5–17 | 14.4% |
| 18–24 | 9.7% |
| 25–34 | 15.1% |
| 35–54 | 26.6% |
| 55–64 | 12.9% |
| 65+ | 16.3% |
Dependency Ratios for Middlesex County, Massachusetts
- Total Dependency Ratio:
- 55.7
- Youth Dependency:
- 30.3
- Old-Age Dependency:
- 25.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Middlesex County, Massachusetts
The median age in Middlesex County, Massachusetts is 38.9 years.
According to latest Census data, the total population of Middlesex County, Massachusetts is 1,638,365.
In Middlesex County, Massachusetts, seniors (ages 65+) make up 16.3% of the population, while children under 18 represent 14.4%.
Based on historical data since 2010, the population in Middlesex County, Massachusetts has remained stable.