Frederick County, Maryland Age & Gender Distribution (2024)
Population distribution by age and gender for Frederick County, Maryland
Frederick County, Maryland Age & Gender Statistics (2024)
Total Population
287,048
Median Age
39.0
Male Median
38.5
Female Median
39.6
Frederick County, Maryland Population Growth
Frederick County, Maryland Demographic Trend
Since 2010, the population of has changed by +25.2%%.
+25.2%% Growth
Frederick County, Maryland Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Frederick County, Maryland Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.0 | 287,048 |
| 2023 | 38.9 | 280,341 |
| 2022 | 38.9 | 273,829 |
| 2021 | 38.8 | 267,498 |
| 2020 | 39.0 | 255,955 |
| 2019 | 39.1 | 251,422 |
| 2018 | 39.2 | 248,472 |
| 2017 | 39.3 | 246,105 |
| 2016 | 39.2 | 243,465 |
| 2015 | 39.1 | 241,373 |
| 2014 | 38.9 | 239,253 |
| 2013 | 38.7 | 236,668 |
| 2012 | 38.5 | 234,268 |
| 2011 | 38.3 | 231,725 |
| 2010 | 37.9 | 229,205 |
Frederick County, Maryland Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.9% |
| 5–17 | 17.5% |
| 18–24 | 8.2% |
| 25–34 | 12.4% |
| 35–54 | 27.7% |
| 55–64 | 13.1% |
| 65+ | 15.3% |
Dependency Ratios for Frederick County, Maryland
- Total Dependency Ratio:
- 62.9
- Youth Dependency:
- 38.0
- Old-Age Dependency:
- 24.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Frederick County, Maryland
The median age in Frederick County, Maryland is 39.0 years.
According to latest Census data, the total population of Frederick County, Maryland is 287,048.
In Frederick County, Maryland, seniors (ages 65+) make up 15.3% of the population, while children under 18 represent 17.5%.
Based on historical data since 2010, the population in Frederick County, Maryland has remained stable.