Belknap County, New Hampshire Age & Gender Statistics (2024)

Total Population

64,659

Median Age

48.4

Male Median

47.3

Female Median

49.2

Belknap County, New Hampshire Population Growth

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

Belknap County, New Hampshire Demographic Trend

Since 2010, the population of has changed by +7.5%%.

+7.5%% Growth

Belknap County, New Hampshire Age & Gender Pyramid

Population pyramid for

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


Belknap County, New Hampshire Historical Population Data

YearMedian AgePopulation
202448.464,659
202348.364,300
202247.863,914
202147.563,395
202047.961,174
201947.460,887
201847.160,640
201746.760,383
201646.560,392
201546.160,399
201445.560,252
201345.160,216
201244.560,206
201143.960,166
201043.660,142

Belknap County, New Hampshire Age Group Breakdown (2024)

Age CohortPercentage
Under 53.9%
5–1713.4%
18–246.4%
25–3411.1%
35–5423.5%
55–6417.7%
65+24.0%

Dependency Ratios for Belknap County, New Hampshire

Total Dependency Ratio:
70.3
Youth Dependency:
29.5
Old-Age Dependency:
40.8

The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).



Age & Gender FAQs for Belknap County, New Hampshire

The median age in Belknap County, New Hampshire is 48.4 years.

According to latest Census data, the total population of Belknap County, New Hampshire is 64,659.

In Belknap County, New Hampshire, seniors (ages 65+) make up 24.0% of the population, while children under 18 represent 13.4%.

Based on historical data since 2010, the population in Belknap County, New Hampshire is aging.
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