Modoc County, California Age & Gender Statistics (2024)

Total Population

8,600

Median Age

47.5

Male Median

48.3

Female Median

46.2

Modoc County, California Population Growth

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

Modoc County, California Demographic Trend

Since 2010, the population of has changed by -10.5%%.

-10.5%% Growth

Modoc County, California Age & Gender Pyramid

Population pyramid for

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


Modoc County, California Historical Population Data

YearMedian AgePopulation
202447.58,600
202349.08,646
202247.58,651
202147.88,723
202047.68,853
201947.88,907
201847.78,938
201747.89,017
201647.19,033
201547.89,184
201447.19,335
201346.99,468
201246.89,545
201146.59,587
201045.49,605

Modoc County, California Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1714.5%
18–246.3%
25–3411.5%
35–5418.5%
55–6413.0%
65+31.7%

Dependency Ratios for Modoc County, California

Total Dependency Ratio:
102.9
Youth Dependency:
38.7
Old-Age Dependency:
64.2

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



Age & Gender FAQs for Modoc County, California

The median age in Modoc County, California is 47.5 years.

According to latest Census data, the total population of Modoc County, California is 8,600.

In Modoc County, California, seniors (ages 65+) make up 31.7% of the population, while children under 18 represent 14.5%.

Based on historical data since 2010, the population in Modoc County, California is aging.
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