Wellsburg
- County:
- Grundy County
- County Seat:
- No
- Area (mi²):
- 1.098
- State:
- Iowa
Wellsburg is a city located in Grundy County, Iowa. Wellsburg has a 2026 population of 709. Wellsburg is currently declining at a rate of -0.56% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 718 in 2020.
The median household income in Wellsburg is $64,375 with a poverty rate of 4.46%. The median age in Wellsburg is 47.1 years: 47 years for males, and 47.8 years for females. For every 100 females there are 79.5 males.