Johnson County, Nebraska Age & Gender Statistics (2024)

Total Population

5,261

Median Age

41.1

Male Median

39.4

Female Median

46.0

Johnson County, Nebraska Population Growth

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

Johnson County, Nebraska Demographic Trend

Since 2010, the population of has changed by +1.0%%.

+1.0%% Growth

Johnson County, Nebraska Age & Gender Pyramid

Population pyramid for

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


Johnson County, Nebraska Historical Population Data

YearMedian AgePopulation
202441.15,261
202340.15,263
202240.35,294
202138.65,298
202039.85,118
201940.95,161
201840.65,197
201741.15,200
201642.15,167
201542.35,167
201443.65,178
201344.25,182
201243.75,188
201143.15,200
201043.15,211

Johnson County, Nebraska Age Group Breakdown (2024)

Age CohortPercentage
Under 54.4%
5–1715.3%
18–248.2%
25–3413.0%
35–5427.7%
55–6412.7%
65+18.7%

Dependency Ratios for Johnson County, Nebraska

Total Dependency Ratio:
62.3
Youth Dependency:
32.0
Old-Age Dependency:
30.3

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



Age & Gender FAQs for Johnson County, Nebraska

The median age in Johnson County, Nebraska is 41.1 years.

According to latest Census data, the total population of Johnson County, Nebraska is 5,261.

In Johnson County, Nebraska, seniors (ages 65+) make up 18.7% of the population, while children under 18 represent 15.3%.

Based on historical data since 2010, the population in Johnson County, Nebraska is becoming younger.
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