Fremont County, Idaho Age & Gender Statistics (2024)

Total Population

13,943

Median Age

40.0

Male Median

40.0

Female Median

40.0

Fremont County, Idaho Population Growth

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

Fremont County, Idaho Demographic Trend

Since 2010, the population of has changed by +6.7%%.

+6.7%% Growth

Fremont County, Idaho Age & Gender Pyramid

Population pyramid for

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


Fremont County, Idaho Historical Population Data

YearMedian AgePopulation
202440.013,943
202339.913,701
202239.013,519
202137.913,370
202037.813,111
201937.613,020
201836.812,965
201736.712,889
201636.912,896
201536.312,945
201434.913,024
201334.313,088
201233.813,123
201133.413,133
201032.713,062

Fremont County, Idaho Age Group Breakdown (2024)

Age CohortPercentage
Under 55.5%
5–1718.4%
18–248.1%
25–3413.0%
35–5424.2%
55–6412.5%
65+18.3%

Dependency Ratios for Fremont County, Idaho

Total Dependency Ratio:
73.1
Youth Dependency:
41.5
Old-Age Dependency:
31.6

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



Age & Gender FAQs for Fremont County, Idaho

The median age in Fremont County, Idaho is 40.0 years.

According to latest Census data, the total population of Fremont County, Idaho is 13,943.

In Fremont County, Idaho, seniors (ages 65+) make up 18.3% of the population, while children under 18 represent 18.4%.

Based on historical data since 2010, the population in Fremont County, Idaho is aging.
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