Prices and availability in St. Louis County, MO were last updated on 12 Sep 2026.
The best apartments in St. Louis County, MO are: Mila, 15Seventy Chesterfield, Millennium at Creve Coeur, Parq at Chesterfield and The Villages at General Grant.
The average rent in St. Louis County, MO is $1,218.
The price range for a studio apartment in St. Louis County, MO is between $950 and $3,560.
The price range for a 1-bedroom apartment in St. Louis County, MO is between $712 and $3,300.
The price range for a 2-bedroom apartment in St. Louis County, MO is between $572 and $6,500.
The price range for a 3-bedroom apartment in St. Louis County, MO is between $377 and $6,620.
In St. Louis County 31% of the housing is rented out compared to 69% of homes are owned, according to the most recent Census Bureau estimates. 11% of St. Louis County's apartments are found in large buildings of 50 units or more, 55% are located in smaller apartment complexes with less than 50 units, and 34% are single-family rentals.
