Lead Paint Risk in Knox County, Illinois

82.2%Pre-1978 Housing
19,558Pre-1978 Units
23,788Total Housing Units
16Census 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

  • 19,558 housing units in Knox County were built before 1978.
  • The county's pre-1978 housing share is 82.2%, 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 16 of 16 tracts; download the full county tract CSV.

TractPre-1978TotalRisk Rate1970s1960s1950s1940s≤1939
Census Tract 7930930100.0%432523926597
Census Tract 81,0511,09695.9%2237415332569
Census Tract 151,7451,83994.9%557134224152678
Census Tract 61,6161,72393.8%401451941181,119
Census Tract 32,1082,26992.9%311158633180826
Census Tract 101,6831,87389.9%242472341101,050
Census Tract 161,2131,41086.0%246116168149534
Census Tract 111,0131,18285.7%27813824854295
Census Tract 99881,16385.0%13310424920482
Census Tract 51,4711,73484.8%39922936443436
Census Tract 11,1371,36283.5%2177613847659
Census Tract 131,4221,72582.4%6299222657418
Census Tract 1254773574.4%2471067316105
Census Tract 1462085872.3%143849389211
Census Tract 41,1972,27352.7%371225183100318
Census Tract 28171,61650.6%34910210111254