Rock County, Minnesota Age & Gender Distribution (2024)
Population distribution by age and gender for Rock County, Minnesota
Rock County, Minnesota Age & Gender Statistics (2024)
Total Population
9,621
Median Age
41.2
Male Median
38.6
Female Median
42.8
Rock County, Minnesota Population Growth
Rock County, Minnesota Demographic Trend
Since 2010, the population of has changed by +0.2%%.
+0.2%% Growth
Rock County, Minnesota Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Rock County, Minnesota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.2 | 9,621 |
| 2023 | 41.1 | 9,628 |
| 2022 | 40.9 | 9,659 |
| 2021 | 40.4 | 9,718 |
| 2020 | 41.0 | 9,386 |
| 2019 | 40.8 | 9,402 |
| 2018 | 40.9 | 9,413 |
| 2017 | 40.9 | 9,433 |
| 2016 | 41.6 | 9,554 |
| 2015 | 41.1 | 9,563 |
| 2014 | 41.6 | 9,587 |
| 2013 | 41.6 | 9,601 |
| 2012 | 41.4 | 9,620 |
| 2011 | 40.7 | 9,625 |
| 2010 | 40.5 | 9,606 |
Rock County, Minnesota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.7% |
| 5–17 | 18.7% |
| 18–24 | 7.9% |
| 25–34 | 10.3% |
| 35–54 | 23.5% |
| 55–64 | 13.4% |
| 65+ | 20.4% |
Dependency Ratios for Rock County, Minnesota
- Total Dependency Ratio:
- 81.3
- Youth Dependency:
- 44.3
- Old-Age Dependency:
- 37.1
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Rock County, Minnesota
The median age in Rock County, Minnesota is 41.2 years.
According to latest Census data, the total population of Rock County, Minnesota is 9,621.
In Rock County, Minnesota, seniors (ages 65+) make up 20.4% of the population, while children under 18 represent 18.7%.
Based on historical data since 2010, the population in Rock County, Minnesota has remained stable.