St. Louis County, Missouri

Missouri

Key Facts

State
Missouri
Population
987,059

About St. Louis County

St. Louis County is a county in Missouri (MO) with a population of approximately 987,059 residents. The county seat is .

St. Louis County is one of the counties that make up Missouri, providing local government services including law enforcement, property records, courts, and public infrastructure to its residents.

County Details

County
St. Louis County
State
Missouri (MO)
Population
987,059
County Seat

Local Government

St. Louis County residents are served by county-level government that typically includes:

  • County commission or board of supervisors — Elected officials responsible for county governance, budgets, and policy
  • Sheriff's office — Provides law enforcement services throughout St. Louis County
  • County clerk — Manages vital records, elections, and property records
  • County courts — The judicial branch serving St. Louis County residents
  • Tax assessor — Handles property tax assessments and collections

Frequently Asked Questions

What is the population of St. Louis County?

St. Louis County has an approximate population of 987,059 residents.

What is the county seat of St. Louis County?

The county seat of St. Louis County is .

What state is St. Louis County in?

St. Louis County is located in Missouri (MO).