
Grannis
- County:
- Polk County
- County Seat:
- No
- Area (mi²):
- 7.93
- State:
- Arkansas
Grannis is a city located in Polk County, Arkansas. Grannis has a 2025 population of 501. Grannis is currently growing at a rate of 0.2% annually and its population has increased by 1.21% since the most recent census, which recorded a population of 495 in 2020.
The average household income in Grannis is $77,901 with a poverty rate of 22.18%. The median age in Grannis is 39.4 years: 46.6 years for males, and 31.7 years for females.