
Joppa
- County:
- Massac County
- County Seat:
- No
- Area (mi²):
- 0.486
- State:
- Illinois
Joppa is a village located in Massac County, Illinois. Joppa has a 2025 population of 323. Joppa is currently declining at a rate of -1.52% annually and its population has decreased by -6.92% since the most recent census, which recorded a population of 347 in 2020.
The average household income in Joppa is $59,197 with a poverty rate of 14.98%. The median age in Joppa is 28.4 years: 28.7 years for males, and 25.5 years for females.