
Killian
- County:
- Livingston Parish
- County Seat:
- No
- Area (mi²):
- 10.887
- State:
- Louisiana
Killian is a town located in Livingston Parish, Louisiana. Killian has a 2025 population of 1,263. Killian is currently growing at a rate of 1.45% annually and its population has increased by 7.49% since the most recent census, which recorded a population of 1,175 in 2020.
The average household income in Killian is $83,693 with a poverty rate of 16.06%. The median age in Killian is 47.8 years: 52.5 years for males, and 41.5 years for females.