St. Louis County, Minnesota Age & Gender Distribution (2024)
Population distribution by age and gender for St. Louis County, Minnesota
St. Louis County, Minnesota Age & Gender Statistics (2024)
Total Population
200,123
Median Age
41.2
Male Median
40.5
Female Median
42.1
St. Louis County, Minnesota Population Growth

St. Louis County, Minnesota Demographic Trend
Since 2010, the population of has changed by +0.3%%.
+0.3%% Growth
St. Louis County, Minnesota Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
St. Louis County, Minnesota Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 41.2 | 200,123 |
| 2023 | 41.3 | 200,056 |
| 2022 | 41.2 | 200,122 |
| 2021 | 40.9 | 200,311 |
| 2020 | 41.0 | 199,499 |
| 2019 | 41.1 | 199,759 |
| 2018 | 41.1 | 200,080 |
| 2017 | 41.0 | 200,294 |
| 2016 | 41.1 | 200,353 |
| 2015 | 40.9 | 200,506 |
| 2014 | 40.8 | 200,563 |
| 2013 | 40.8 | 200,327 |
| 2012 | 40.8 | 200,150 |
| 2011 | 40.7 | 199,849 |
| 2010 | 40.7 | 199,472 |
St. Louis County, Minnesota Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.6% |
| 5–17 | 13.9% |
| 18–24 | 12.3% |
| 25–34 | 11.5% |
| 35–54 | 22.8% |
| 55–64 | 13.5% |
| 65+ | 21.4% |
Dependency Ratios for St. Louis County, Minnesota
- Total Dependency Ratio:
- 66.4
- Youth Dependency:
- 30.9
- Old-Age Dependency:
- 35.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for St. Louis County, Minnesota
The median age in St. Louis County, Minnesota is 41.2 years.
According to latest Census data, the total population of St. Louis County, Minnesota is 200,123.
In St. Louis County, Minnesota, seniors (ages 65+) make up 21.4% of the population, while children under 18 represent 13.9%.
Based on historical data since 2010, the population in St. Louis County, Minnesota has remained stable.