Kaplan
- County:
- Vermilion Parish
- County Seat:
- No
- Area (mi²):
- 2.329
- State:
- Louisiana
Kaplan is a city located in Vermilion Parish, Louisiana. Kaplan has a 2026 population of 4,164. Kaplan is currently declining at a rate of -0.5% annually and its population has decreased by -3.9% since the most recent census, which recorded a population of 4,333 in 2020.
The median household income in Kaplan is $40,109 with a poverty rate of 35.28%. The median age in Kaplan is 39.3 years: 41.8 years for males, and 28.5 years for females. For every 100 females there are 139.6 males.