St. Louis County
- Population
- 200,123
- Area
- 6.25 sq mi (16.18 km²), 0.61 sq mi water
- Median age
- 41.2
- Households
- 87,115
- Persons per household
- 2.2
- Median household income
- $70,069
- Median house value
- $221,400
Demographics: 2020–2024 ACS
Tonight
51°F
Chance Rain Showers13% precip
Saturday
71°F
Sunny2% precip
Saturday Night
44°F
Mostly Clear
Sunday
72°F
Sunny