Denver County, Colorado Age & Gender Statistics (2024)

Total Population

718,877

Median Age

35.3

Male Median

35.3

Female Median

35.3

Denver County, Colorado Population Growth

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

Denver County, Colorado Demographic Trend

Since 2010, the population of has changed by +24.4%%.

+24.4%% Growth

Denver County, Colorado Age & Gender Pyramid

Population pyramid for

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


Denver County, Colorado Historical Population Data

YearMedian AgePopulation
202435.3718,877
202335.2713,734
202234.9710,800
202134.8706,799
202034.6715,878
201934.5705,576
201834.4693,417
201734.4678,467
201634.2663,303
201534.1649,654
201434.0633,777
201333.8619,297
201233.7604,356
201133.7590,507
201033.8578,087

Denver County, Colorado Age Group Breakdown (2024)

Age CohortPercentage
Under 55.3%
5–1712.7%
18–248.0%
25–3423.4%
35–5428.7%
55–649.4%
65+12.5%

Dependency Ratios for Denver County, Colorado

Total Dependency Ratio:
43.9
Youth Dependency:
25.9
Old-Age Dependency:
18.0

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



Age & Gender FAQs for Denver County, Colorado

The median age in Denver County, Colorado is 35.3 years.

According to latest Census data, the total population of Denver County, Colorado is 718,877.

In Denver County, Colorado, seniors (ages 65+) make up 12.5% of the population, while children under 18 represent 12.7%.

Based on historical data since 2010, the population in Denver County, Colorado has remained stable.
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