Peoria
- County:
- Maricopa County
- County Seat:
- No
- Area (mi²):
- 176.697
- State:
- Arizona
Peoria is a city located in Maricopa County, Arizona. Peoria has a 2026 population of 199,924. Peoria is currently growing at a rate of 0.14% annually and its population has increased by 4.13% since the most recent census, which recorded a population of 191,989 in 2020.