Smithboro
- County:
- Bond County
- County Seat:
- No
- Area (mi²):
- 0.932
- State:
- Illinois
Smithboro is a village located in Bond County, Illinois. Smithboro has a 2026 population of 151. Smithboro is currently declining at a rate of -1.31% annually and its population has decreased by -3.82% since the most recent census, which recorded a population of 157 in 2020.
The median household income in Smithboro is $44,375 with a poverty rate of 25.64%. The median age in Smithboro is 33.3 years: 37.4 years for males, and 22.9 years for females. For every 100 females there are 72.6 males.