County Results of the United States presidential election, 1968
  Humphrey—&gt;90%
  Humphrey—80-90%
  Humphrey—70-80%
  Humphrey—60-70%
  Humphrey—50-60%
  Humphrey—40-50%
  Humphrey—30-40%
  Nixon—30-40%
  Nixon—40-50%
  Nixon—50-60%
  Nixon—60-70%
  Nixon—70-80%
  Nixon—80-90%
  Nixon—&gt;90%
  Wallace—30-40%
  Wallace—40-50%
  Wallace—50-60%
  Wallace—60-70%
  Wallace—70-80%
  Wallace—80-90%
  Wallace—&gt;90%
Own work
Inqvisitor