Arcadia
- County:
- Hamilton County
- County Seat:
- No
- Area (mi²):
- 0.687
- State:
- Indiana
Arcadia is a town located in Hamilton County, Indiana. Arcadia has a 2026 population of 1,464. Arcadia is currently declining at a rate of -1.08% annually and its population has decreased by -3.24% since the most recent census, which recorded a population of 1,513 in 2020.