Rock County, Nebraska Age & Gender Distribution (2024)
Population distribution by age and gender for Rock County, Nebraska
Rock County, Nebraska Age & Gender Statistics (2024)
Total Population
1,319
Median Age
49.4
Male Median
45.5
Female Median
51.3
Rock County, Nebraska Population Growth

Rock County, Nebraska Demographic Trend
Since 2010, the population of has changed by -20.1%%.
-20.1%% Growth
Rock County, Nebraska Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Rock County, Nebraska Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 49.4 | 1,319 |
| 2023 | 45.2 | 1,335 |
| 2022 | 43.5 | 1,312 |
| 2021 | 41.5 | 1,321 |
| 2020 | 41.0 | 1,430 |
| 2019 | 46.2 | 1,414 |
| 2018 | 50.9 | 1,350 |
| 2017 | 51.9 | 1,381 |
| 2016 | 52.4 | 1,407 |
| 2015 | 52.0 | 1,401 |
| 2014 | 50.6 | 1,436 |
| 2013 | 49.7 | 1,436 |
| 2012 | 49.4 | 1,540 |
| 2011 | 49.2 | 1,601 |
| 2010 | 48.7 | 1,651 |
Rock County, Nebraska Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.3% |
| 5–17 | 15.6% |
| 18–24 | 8.4% |
| 25–34 | 8.6% |
| 35–54 | 20.8% |
| 55–64 | 13.4% |
| 65+ | 28.9% |
Dependency Ratios for Rock County, Nebraska
- Total Dependency Ratio:
- 95.4
- Youth Dependency:
- 39.0
- Old-Age Dependency:
- 56.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Rock County, Nebraska
The median age in Rock County, Nebraska is 49.4 years.
According to latest Census data, the total population of Rock County, Nebraska is 1,319.
In Rock County, Nebraska, seniors (ages 65+) make up 28.9% of the population, while children under 18 represent 15.6%.
Based on historical data since 2010, the population in Rock County, Nebraska has remained stable.