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

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

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

Population pyramid for

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


St. Louis County, Minnesota Historical Population Data

YearMedian AgePopulation
202441.2200,123
202341.3200,056
202241.2200,122
202140.9200,311
202041.0199,499
201941.1199,759
201841.1200,080
201741.0200,294
201641.1200,353
201540.9200,506
201440.8200,563
201340.8200,327
201240.8200,150
201140.7199,849
201040.7199,472

St. Louis County, Minnesota Age Group Breakdown (2024)

Age CohortPercentage
Under 54.6%
5–1713.9%
18–2412.3%
25–3411.5%
35–5422.8%
55–6413.5%
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.
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