
Lavaca
- County:
- Sebastian County
- County Seat:
- No
- Area (mi²):
- 2.222
- State:
- Arkansas
Lavaca is a city located in Sebastian County, Arkansas. Lavaca has a 2025 population of 2,552. Lavaca is currently growing at a rate of 0.75% annually and its population has increased by 3.87% since the most recent census, which recorded a population of 2,457 in 2020.
The average household income in Lavaca is $95,073 with a poverty rate of 5.15%. The median age in Lavaca is 31 years: 34.4 years for males, and 29.5 years for females.