Harford County, Maryland Age & Gender Distribution (2024)
Population distribution by age and gender for Harford County, Maryland
Harford County, Maryland Age & Gender Statistics (2024)
Total Population
263,757
Median Age
40.5
Male Median
39.3
Female Median
41.9
Harford County, Maryland Population Growth

Harford County, Maryland Demographic Trend
Since 2010, the population of has changed by +8.6%%.
+8.6%% Growth
Harford County, Maryland Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Harford County, Maryland Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.5 | 263,757 |
| 2023 | 40.5 | 262,509 |
| 2022 | 40.4 | 261,059 |
| 2021 | 40.4 | 259,162 |
| 2020 | 40.8 | 253,736 |
| 2019 | 40.9 | 252,222 |
| 2018 | 40.8 | 251,025 |
| 2017 | 40.6 | 250,132 |
| 2016 | 40.3 | 249,776 |
| 2015 | 40.1 | 248,966 |
| 2014 | 39.9 | 248,029 |
| 2013 | 39.8 | 246,664 |
| 2012 | 39.5 | 245,396 |
| 2011 | 39.2 | 243,955 |
| 2010 | 38.7 | 242,888 |
Harford County, Maryland Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.4% |
| 5–17 | 16.9% |
| 18–24 | 7.6% |
| 25–34 | 12.2% |
| 35–54 | 26.2% |
| 55–64 | 14.3% |
| 65+ | 17.4% |
Dependency Ratios for Harford County, Maryland
- Total Dependency Ratio:
- 65.9
- Youth Dependency:
- 37.0
- Old-Age Dependency:
- 28.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Harford County, Maryland
The median age in Harford County, Maryland is 40.5 years.
According to latest Census data, the total population of Harford County, Maryland is 263,757.
In Harford County, Maryland, seniors (ages 65+) make up 17.4% of the population, while children under 18 represent 16.9%.
Based on historical data since 2010, the population in Harford County, Maryland is aging.