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Environmental and Demographic Data

Revised On: Sep. 30th, 2026 - 08:05 am

ADEQ has developed an online tool that provides Arizonans with environmental and demographic data for each county in the state.

Information for Each County Includes:

Environmental:

  • Air quality — prescribed burns and non-attainment areas for ozone, particulate matter, lead and SO2
  • Water quality — impaired waters and drinking water contaminants exceeding federal limits
  • Waste/cleanups — National Response Center (NRC) incidents, hazardous waste generators (large quantity), haz waste cleanups, Superfund and voluntary cleanups, and leaking underground storage tanks (USTs)

Demographic:

  • Total population
  • Page of population
  • Population by generation type (e.g., millennials, baby boomers, etc.)
  • Average household annual income
  • Average home value
  • Percentage of households below the federal poverty line
  • Race/ethnicity
  • Average unemployment rate
  • Voter registration

You can view environmental and demographic information using the tabs on the upper left. Mouse over each section to show more in-depth data and filter by county in the upper right | View Dashboard >