Lead Paint Risk in Marion County, Ohio

73.6%Pre-1978 Housing
20,162Pre-1978 Units
27,381Total Housing Units
18Census 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

  • 20,162 housing units in Marion County were built before 1978.
  • The county's pre-1978 housing share is 73.6%, compared with the state rate of 64.0%.
  • 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 18 of 18 tracts; download the full county tract CSV.

TractPre-1978TotalRisk Rate1970s1960s1950s1940s≤1939
Census Tract 102.021717100.0%130400
Census Tract 5.011,1081,14596.8%010219235779
Census Tract 170973696.3%41264012590
Census Tract 41,5711,66894.2%326243247270485
Census Tract 89221,01291.1%984414956575
Census Tract 119561,06489.8%4382652032525
Census Tract 21,1471,28089.6%4710189207703
Census Tract 381992988.2%41237123120298
Census Tract 5.021,0671,21188.1%20146960724
Census Tract 71,0961,29284.8%1995825793489
Census Tract 91,5031,83382.0%23517526963761
Census Tract 1031,6822,25974.5%33516831449816
Census Tract 102.011,7452,54868.5%64336912686521
Census Tract 61,4382,21564.9%44135337314257
Census Tract 101,0711,65364.8%313423254972
Census Tract 1051,3532,29758.9%36212023364574
Census Tract 1041,0342,12048.8%438247112126111
Census Tract 1019242,10244.0%18920514967314