US ZIP Code 99320 Age & Gender Statistics (2024)

Total Population

9,879

Median Age

36.4

Male Median

35.5

Female Median

39.2

US ZIP Code 99320 Population Growth

Population trends in
Figure 1: Annual population growth trend for (2021–2024).

US ZIP Code 99320 Demographic Trend

Since 2021, the population of has changed by +1.3%%.

+1.3%% Growth

US ZIP Code 99320 Age & Gender Pyramid

Population pyramid for

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


US ZIP Code 99320 Historical Population Data

YearMedian AgePopulation
202436.49,879
202333.310,157
202236.310,023
202135.99,756

US ZIP Code 99320 Age Group Breakdown (2024)

Age CohortPercentage
Under 57.8%
5–1717.5%
18–248.0%
25–3415.2%
35–5425.1%
55–6412.4%
65+14.0%

Dependency Ratios for US ZIP Code 99320

Total Dependency Ratio:
64.9
Youth Dependency:
41.8
Old-Age Dependency:
23.1

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



Age & Gender FAQs for US ZIP Code 99320

The median age in US ZIP Code 99320 is 36.4 years.

According to latest Census data, the total population of US ZIP Code 99320 is 9,879.

In US ZIP Code 99320, seniors (ages 65+) make up 14.0% of the population, while children under 18 represent 17.5%.

Based on historical data since 2021, the population in US ZIP Code 99320 has remained stable.
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