Mono County, California Age & Gender Statistics (2024)

Total Population

13,148

Median Age

41.5

Male Median

42.8

Female Median

40.7

Mono County, California Population Growth

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

Mono County, California Demographic Trend

Since 2010, the population of has changed by -5.4%%.

-5.4%% Growth

Mono County, California Age & Gender Pyramid

Population pyramid for

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


Mono County, California Historical Population Data

YearMedian AgePopulation
202441.513,148
202340.313,169
202240.513,219
202140.313,291
202039.514,395
201937.714,310
201838.314,174
201738.314,058
201638.914,051
201538.514,146
201437.214,193
201337.214,217
201237.114,181
201136.514,016
201036.513,905

Mono County, California Age Group Breakdown (2024)

Age CohortPercentage
Under 54.5%
5–1713.2%
18–244.6%
25–3417.1%
35–5428.1%
55–6415.1%
65+17.5%

Dependency Ratios for Mono County, California

Total Dependency Ratio:
54.3
Youth Dependency:
27.3
Old-Age Dependency:
27.0

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



Age & Gender FAQs for Mono County, California

The median age in Mono County, California is 41.5 years.

According to latest Census data, the total population of Mono County, California is 13,148.

In Mono County, California, seniors (ages 65+) make up 17.5% of the population, while children under 18 represent 13.2%.

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