
Westby
- County:
- Vernon County
- County Seat:
- No
- Area (mi²):
- 2.694
- State:
- Wisconsin
Westby is a city located in Vernon County, Wisconsin. Westby has a 2025 population of 2,390. Westby is currently growing at a rate of 0.5% annually and its population has increased by 2.58% since the most recent census, which recorded a population of 2,330 in 2020.
The average household income in Westby is $82,230 with a poverty rate of 8.91%. The median age in Westby is 40.6 years: 34.4 years for males, and 46.1 years for females.