Union County, Oregon Age & Gender Statistics (2024)

Total Population

26,144

Median Age

40.0

Male Median

39.6

Female Median

40.1

Union County, Oregon Population Growth

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

Union County, Oregon Demographic Trend

Since 2010, the population of has changed by +3.0%%.

+3.0%% Growth

Union County, Oregon Age & Gender Pyramid

Population pyramid for

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


Union County, Oregon Historical Population Data

YearMedian AgePopulation
202440.026,144
202340.126,192
202239.726,286
202140.026,255
202040.026,502
201940.226,337
201839.626,028
201739.825,810
201639.725,758
201540.025,745
201440.125,736
201339.925,741
201240.125,670
201140.225,573
201040.125,373

Union County, Oregon Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1716.8%
18–2411.3%
25–3411.7%
35–5422.3%
55–6411.9%
65+21.4%

Dependency Ratios for Union County, Oregon

Total Dependency Ratio:
74.7
Youth Dependency:
37.4
Old-Age Dependency:
37.3

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



Age & Gender FAQs for Union County, Oregon

The median age in Union County, Oregon is 40.0 years.

According to latest Census data, the total population of Union County, Oregon is 26,144.

In Union County, Oregon, seniors (ages 65+) make up 21.4% of the population, while children under 18 represent 16.8%.

Based on historical data since 2010, the population in Union County, Oregon has remained stable.
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