
St. Matthews
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 4.408
- State:
- Kentucky
St. Matthews is a city located in Jefferson County, Kentucky. St. Matthews has a 2025 population of 17,221. St. Matthews is currently declining at a rate of -0.39% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 17,558 in 2020.
The average household income in St. Matthews is $106,545 with a poverty rate of 7.99%. The median age in St. Matthews is 37.9 years: 37 years for males, and 39.7 years for females.