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Data and Statistics
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More than 42 percent of all housing units in Ohio were built before 1950 and are likely to contain lead hazards. Ohio has approximately 3.7 million housing units containing some lead-based paint on interior and/or exterior surfaces. Each year, approximately 150,000 children from birth to 6 years of age are screened for lead poisoning in Ohio and currently, less than 3 percent are found to have confirmed elevated blood lead levels.

If you have a request for data that cannot be answered here, please contact us at lead@odh.ohio.gov.

Current Data

Blood lead testing data for Ohio children from 2016 to present can be found here in ODH’s Public Health Data Warehouse. These data are updated daily.

Additionally, the following documents show data from 1999 to the most recent published year (2017):

  • Number of Children, Less Than Six Years of Age, Tested for Lead in Ohio, 1999-2017 - Link
  • Prevalence of Confirmed Blood Lead Levels ≥10 µg/dL in Tested Ohio Children, Less than Six Years of Age, 1999-2017 - Link

Historical Data

Blood lead testing data for Ohio children from 2006 through 2015 are posted below. For requests for data prior to 2006, please contact us directly.

Data by County

Data by City*

*City is based on reported mailing address with each blood lead result. Mailing address “city” and municipal jurisdiction (local health department) are not always the same. This may cause these data to appear different than in other legitimate sources.

Access Requests

If you are a local health department employee who needs access to HHLPSS for case management or lead investigation activities, please contact our surveillance coordinator.

If you are an IRB-approved researcher or local health department surveillance employee who needs secure access to lead records for your work, please contact us at lead@odh.ohio.gov. You will also need to complete and submit a Data User Agreement for our records. These can be found below.