
Marmaduke
- County:
- Greene County
- County Seat:
- No
- Area (mi²):
- 1.398
- State:
- Arkansas
Marmaduke is a city located in Greene County, Arkansas. Marmaduke has a 2025 population of 1,258. Marmaduke is currently growing at a rate of 0.8% annually and its population has increased by 4.14% since the most recent census, which recorded a population of 1,208 in 2020.
The average household income in Marmaduke is $62,652 with a poverty rate of 23.74%. The median age in Marmaduke is 36.3 years: 36.1 years for males, and 40.1 years for females.