Mesa County, Colorado Age & Gender Statistics (2024)

Total Population

158,601

Median Age

41.3

Male Median

40.5

Female Median

42.6

Mesa County, Colorado Population Growth

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

Mesa County, Colorado Demographic Trend

Since 2010, the population of has changed by +11.5%%.

+11.5%% Growth

Mesa County, Colorado Age & Gender Pyramid

Population pyramid for

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


Mesa County, Colorado Historical Population Data

YearMedian AgePopulation
202441.3158,601
202340.8157,316
202240.6156,131
202140.3154,685
202040.0152,962
201939.7151,218
201839.1149,998
201738.9148,798
201638.8148,166
201538.4147,834
201438.2147,509
201338.2147,432
201237.9146,562
201137.9144,766
201038.1142,284

Mesa County, Colorado Age Group Breakdown (2024)

Age CohortPercentage
Under 55.0%
5–1715.4%
18–248.6%
25–3412.7%
35–5424.3%
55–6413.0%
65+21.1%

Dependency Ratios for Mesa County, Colorado

Total Dependency Ratio:
70.9
Youth Dependency:
34.9
Old-Age Dependency:
36.0

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



Age & Gender FAQs for Mesa County, Colorado

The median age in Mesa County, Colorado is 41.3 years.

According to latest Census data, the total population of Mesa County, Colorado is 158,601.

In Mesa County, Colorado, seniors (ages 65+) make up 21.1% of the population, while children under 18 represent 15.4%.

Based on historical data since 2010, the population in Mesa County, Colorado is aging.
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