Top 10 lists: Wisconsin counties where Trump received largest, smallest percentage of votes in Wisconsin presidential primary

Source used for line graphs:  Politico

Mapped.  (It's not often we get to see Dane as a 'red' county.)

Related reading:
Frantic Wisconsin primary had a very familiar ring.  (Milwaukee Journal Sentinel, 4/9/2016)

Republicans’ regional divide. The GOP primary featured the same schism we’ve seen in other Republican races in recent years — between the more rural, less prosperous north and west and the more populous and suburban southeast. The candidate of the north and west (Donald Trump) lost. The candidate of the southeast (Cruz) won.