CDP in Fairfax County, Virginia · 2.8 sq mi · 6,252 people per sq mi
About 18,000 people live in Idylwood. The typical household earns $120,109, and the median resident is 37.2 years old.
2026 projection
From 18,099 in 2020
Poverty rate 5.46%
Men 36 · Women 38.3
2011–2026
17,511
2026 projection
3.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2011–2026
17,511
2026 projection
3.2% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 17,511 | +14 | 0.08% |
|---|---|---|---|
| 2025 | 17,497 | +28 | 0.08% |
| 2023 | 17,469 | -319 | 1.79% |
| 2022 | 17,788 | +101 | 0.57% |
| 2021 | 17,687 | -412 | 2.28% |
| 2020 | 18,099 | -174 | 0.95% |
| 2019 | 18,273 | -158 | 0.86% |
| 2018 | 18,431 | -247 | 1.32% |
| 2017 | 18,678 | -243 | 1.28% |
| 2016 | 18,921 | +407 | 2.20% |
Showing 10 of 15 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 176 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 18 residents
50% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 50% | 50% | 49% |
| Never married | 37% | 42% | 31% |
| Divorced | 7% | 5% | 9% |
| Widowed | 4% | <1% | 6% |
| Separated | 3% | 2% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau