Williamson County
FY 2026 HUD Fair Market Rents in Illinois. Population: 67,120.
Fair Market Rents (2026)
Studio
National avg: $893
$753/mo
↓ 2.1% YoY
-16% vs US
1 Bedroom
National avg: $959
$790/mo
↑ 0.5% YoY
-18% vs US
2 Bedroom
National avg: $1,175
$1,037/mo
↑ 0.6% YoY
-12% vs US
3 Bedroom
National avg: $1,525
$1,369/mo
↓ 3.5% YoY
-10% vs US
4 Bedroom
National avg: $1,756
$1,386/mo
↓ 9.9% YoY
-21% vs US
Year-over-Year Comparison
| Bedrooms | FY 2025 | FY 2026 | Change |
|---|---|---|---|
| Studio | $769 | $753 | $-16 (-2.1%) |
| 1 Bedroom | $786 | $790 | +$4 (+0.5%) |
| 2 Bedroom | $1,031 | $1,037 | +$6 (+0.6%) |
| 3 Bedroom | $1,419 | $1,369 | $-50 (-3.5%) |
| 4 Bedroom | $1,539 | $1,386 | $-153 (-9.9%) |
Affordability Snapshot
Based on the standard that rent should not exceed 30% of gross income:
Required annual income for 1 BR
$31,600
$2,633/month gross
Required annual income for 2 BR
$41,480
$3,457/month gross
Other Counties in Illinois
Bond County
1 BR: $836/mo
Gallatin County
1 BR: $698/mo
Brown County
1 BR: $810/mo
Bureau County
1 BR: $789/mo
Wayne County
1 BR: $698/mo
Johnson County
1 BR: $735/mo
Data source: U.S. Department of Housing and Urban Development, FY 2026 Fair Market Rents. Fair Market Rents represent the 40th percentile of gross rents for standard quality units in each area.