
Lewisville
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 0.664
- State:
- Idaho
Lewisville is a city located in Jefferson County, Idaho. Lewisville has a 2025 population of 459. Lewisville is currently growing at a rate of 2% annually and its population has increased by 10.34% since the most recent census, which recorded a population of 416 in 2020.
The average household income in Lewisville is $78,537 with a poverty rate of 10.63%. The median age in Lewisville is 38.9 years: 32.9 years for males, and 41.1 years for females.