
Kildeer
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 4.313
- State:
- Illinois
Kildeer is a village located in Lake County, Illinois. Kildeer has a 2025 population of 4,575. Kildeer is currently growing at a rate of 2.21% annually and its population has increased by 12.16% since the most recent census, which recorded a population of 4,079 in 2020.
The average household income in Kildeer is $293,384 with a poverty rate of 1%. The median age in Kildeer is 43.8 years: 42.7 years for males, and 44.3 years for females.