
Holcomb
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 0.089
- State:
- Illinois
Holcomb is a CDP located in Ogle County, Illinois. Holcomb has a 2025 population of 209. Holcomb is currently growing at a rate of 7.18% annually and its population has increased by 33.12% since the most recent census, which recorded a population of 157 in 2020.
The average household income in Holcomb is $61,532 with a poverty rate of 32.32%. The median age in Holcomb is 55.4 years: 58.8 years for males, and 50.3 years for females.