Overdose Death Urbanicity Graphs

The figures below show the changes in age-adjusted death rates involving prescription opioids by urbanization classification of residence from year to year.

• Large central metro—Counties in metropolitan statistical areas of 1 million or more population that:
  • Contain the entire population of the largest principal city
  • Have their entire population contained in the largest principal city
  • Contain at least 250,000 inhabitants of any principal city
• Large fringe metro—Counties of 1 million or more population that did not qualify as large central metro counties.
• Medium metro—Counties of populations of 250,000 to 999,999.
• Small metro—Counties of populations less than 250,000.
• Micropolitan—Counties in micropolitan statistical areas that have a population of at least 10,000 but less than 50,000.
• Noncore—Nonmetropolitan counties that did not qualify as micropolitan.

Categories of 2013 NCHS Urban-Rural Classification Scheme for Counties (https://www.cdc.gov/nchs/data_access/urban_rural.htm)

2016-2017 Urbanicity