Adams County, Colorado Age & Gender Statistics (2024)

Total Population

530,225

Median Age

34.8

Male Median

34.4

Female Median

35.2

Adams County, Colorado Population Growth

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

Adams County, Colorado Demographic Trend

Since 2010, the population of has changed by +24.7%%.

+24.7%% Growth

Adams County, Colorado Age & Gender Pyramid

Population pyramid for

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


Adams County, Colorado Historical Population Data

YearMedian AgePopulation
202434.8530,225
202334.6524,408
202234.4520,149
202134.2514,969
202034.0509,844
201933.8504,108
201833.6497,115
201733.4487,850
201633.3479,977
201533.0471,206
201432.8461,558
201332.6452,030
201232.4442,996
201132.2434,295
201032.2425,330

Adams County, Colorado Age Group Breakdown (2024)

Age CohortPercentage
Under 56.4%
5–1718.5%
18–249.1%
25–3416.3%
35–5427.8%
55–6410.5%
65+11.3%

Dependency Ratios for Adams County, Colorado

Total Dependency Ratio:
56.7
Youth Dependency:
39.0
Old-Age Dependency:
17.7

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



Age & Gender FAQs for Adams County, Colorado

The median age in Adams County, Colorado is 34.8 years.

According to latest Census data, the total population of Adams County, Colorado is 530,225.

In Adams County, Colorado, seniors (ages 65+) make up 11.3% of the population, while children under 18 represent 18.5%.

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