
Marilla
- County:
- Erie County
- County Seat:
- No
- Area (mi²):
- 27.519
- State:
- New York
Marilla is located in Erie County, New York. Marilla has a 2025 population of 5,107. Marilla is currently declining at a rate of -0.37% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 5,181 in 2020.
The average household income in Marilla is $120,493 with a poverty rate of 2.96%. The median age in Marilla is 45.8 years: 43.6 years for males, and 49.1 years for females.