Lead Paint Risk in Louisa County, Iowa
72.5%Pre-1978 Housing
3,433Pre-1978 Units
4,736Total Housing Units
3Census 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
- 3,433 housing units in Louisa County were built before 1978.
- The county's pre-1978 housing share is 72.5%, compared with the state rate of 62.4%.
- 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 3 of 3 tracts; download the full county tract CSV.
| Tract | Pre-1978 | Total | Risk Rate | 1970s | 1960s | 1950s | 1940s | ≤1939 |
|---|---|---|---|---|---|---|---|---|
| Census Tract 4503 | 1,386 | 1,758 | 78.8% | 290 | 168 | 156 | 138 | 634 |
| Census Tract 4502 | 1,128 | 1,611 | 70.0% | 187 | 212 | 57 | 202 | 470 |
| Census Tract 4501 | 919 | 1,367 | 67.2% | 165 | 142 | 82 | 55 | 475 |