Lead Paint Risk in Washington County, Illinois
66.0%Pre-1978 Housing
4,223Pre-1978 Units
6,402Total Housing Units
4Census Tracts
How to Interpret This
This is an area-level screening signal based on Census housing-age data. It does not confirm lead paint in any specific home. Homes built before 1978 may contain lead-based paint, and certified inspection or testing is the only way to confirm a property-level hazard.
Reporter / Resident Story Kit
- 4,223 housing units in Washington County were built before 1978.
- The county's pre-1978 housing share is 66.0%, compared with the state rate of 64.1%.
- Local questions: Which neighborhoods have the oldest housing stock? Are lead-safe renovation resources available? Do renters and families with young children know how to request testing?
Highest-Risk Census Tracts
Individual census tracts ranked by pre-1978 housing percentage. Showing the top 4 of 4 tracts; download the full county tract CSV.
| Tract | Pre-1978 | Total | Risk Rate | 1970s | 1960s | 1950s | 1940s | ≤1939 |
|---|---|---|---|---|---|---|---|---|
| Census Tract 9503 | 1,144 | 1,430 | 80.0% | 200 | 298 | 284 | 80 | 282 |
| Census Tract 9501 | 972 | 1,393 | 69.8% | 285 | 103 | 106 | 79 | 399 |
| Census Tract 9502 | 1,120 | 1,675 | 66.9% | 304 | 150 | 120 | 95 | 451 |
| Census Tract 9504 | 987 | 1,904 | 51.8% | 226 | 232 | 173 | 122 | 234 |