McCallsburg
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 0.456
- State:
- Iowa
McCallsburg is a city located in Hardin County, Iowa. McCallsburg has a 2026 population of 356. McCallsburg is currently growing at a rate of 0.28% annually and its population has increased by 1.71% since the most recent census, which recorded a population of 350 in 2020.
The median household income in McCallsburg is $65,000 with a poverty rate of 8.59%. The median age in McCallsburg is 29.9 years: 29.5 years for males, and 35.8 years for females. For every 100 females there are 139.7 males.