Waterproof
- County:
- Tensas Parish
- County Seat:
- No
- Area (mi²):
- 0.697
- State:
- Louisiana
Waterproof is a town located in Tensas Parish, Louisiana. Waterproof has a 2026 population of 509. Waterproof is currently declining at a rate of -0.39% annually and its population has decreased by -7.29% since the most recent census, which recorded a population of 549 in 2020.
The median household income in Waterproof is $21,786 with a poverty rate of 70.66%. The median age in Waterproof is 37.1 years: 50.1 years for males, and 19.3 years for females. For every 100 females there are 33.3 males.