
Marysville
- County:
- Lewis and Clark County
- County Seat:
- No
- Area (mi²):
- 0.498
- State:
- Montana
Marysville is a CDP located in Lewis and Clark County, Montana. Marysville has a 2025 population of 75. Marysville is currently growing at a rate of 7.14% annually and its population has increased by 5.63% since the most recent census, which recorded a population of 71 in 2020.
The average household income in Marysville is $88,418 with a poverty rate of 4.12%. The median age in Marysville is 61.4 years: 61 years for males, and 66.6 years for females.