
Idylwood
- County:
- Fairfax County
- County Seat:
- No
- Area (mi²):
- 2.801
- State:
- Virginia
Idylwood is a CDP located in Fairfax County, Virginia. Idylwood has a 2025 population of 17,913. Idylwood is currently growing at a rate of 0.24% annually but its population has decreased by -1.03% since the most recent census, which recorded a population of 18,099 in 2020.
The average household income in Idylwood is $159,367 with a poverty rate of 5.67%. The median age in Idylwood is 37.6 years: 36.8 years for males, and 38.2 years for females.