Navajo County, Arizona Age & Gender Statistics (2024)

Total Population

108,415

Median Age

39.5

Male Median

38.2

Female Median

40.9

Navajo County, Arizona Population Growth

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

Navajo County, Arizona Demographic Trend

Since 2010, the population of has changed by +1.3%%.

+1.3%% Growth

Navajo County, Arizona Age & Gender Pyramid

Population pyramid for

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


Navajo County, Arizona Historical Population Data

YearMedian AgePopulation
202439.5108,415
202339.4107,744
202238.7107,110
202138.3106,609
202038.2110,271
201937.3109,270
201836.4108,705
201735.9107,902
201635.8108,209
201535.7107,656
201435.4107,489
201335.2107,326
201234.8107,415
201134.3107,418
201033.8107,060

Navajo County, Arizona Age Group Breakdown (2024)

Age CohortPercentage
Under 56.0%
5–1719.3%
18–247.7%
25–3412.0%
35–5421.8%
55–6413.1%
65+20.1%

Dependency Ratios for Navajo County, Arizona

Total Dependency Ratio:
83.0
Youth Dependency:
46.2
Old-Age Dependency:
36.8

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



Age & Gender FAQs for Navajo County, Arizona

The median age in Navajo County, Arizona is 39.5 years.

According to latest Census data, the total population of Navajo County, Arizona is 108,415.

In Navajo County, Arizona, seniors (ages 65+) make up 20.1% of the population, while children under 18 represent 19.3%.

Based on historical data since 2010, the population in Navajo County, Arizona is aging.
Back to Overview