
Arthur
- County:
- Ida County
- County Seat:
- No
- Area (mi²):
- 0.147
- State:
- Iowa
Arthur is a city located in Ida County, Iowa. Arthur has a 2025 population of 212. Arthur is currently declining at a rate of -0.93% annually and its population has decreased by -4.5% since the most recent census, which recorded a population of 222 in 2020.
The average household income in Arthur is $56,919 with a poverty rate of 17.53%. The median age in Arthur is 36.4 years: 30.7 years for males, and 39.2 years for females.