
Youngsville
- County:
- Lafayette Parish
- County Seat:
- No
- Area (mi²):
- 12.549
- State:
- Louisiana
Youngsville is a city located in Lafayette Parish, Louisiana. Youngsville has a 2025 population of 19,314. Youngsville is currently growing at a rate of 3.52% annually and its population has increased by 20.46% since the most recent census, which recorded a population of 16,033 in 2020.
The average household income in Youngsville is $117,155 with a poverty rate of 9.81%. The median age in Youngsville is 34.2 years: 34.1 years for males, and 34.9 years for females.