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

Population trends in
Figure 1: Annual population growth trend for (2010–2024).

Harford County, Maryland Demographic Trend

Since 2010, the population of has changed by +8.6%%.

+8.6%% Growth

Harford County, Maryland Age & Gender Pyramid

Population pyramid for

Figure 2: Population distribution by age and gender for 2024.


Harford County, Maryland Historical Population Data

YearMedian AgePopulation
202440.5263,757
202340.5262,509
202240.4261,059
202140.4259,162
202040.8253,736
201940.9252,222
201840.8251,025
201740.6250,132
201640.3249,776
201540.1248,966
201439.9248,029
201339.8246,664
201239.5245,396
201139.2243,955
201038.7242,888

Harford County, Maryland Age Group Breakdown (2024)

Age CohortPercentage
Under 55.4%
5–1716.9%
18–247.6%
25–3412.2%
35–5426.2%
55–6414.3%
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.
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