Overall, Clinton got 62% of the Cuyahoga County vote compared to 36% for Sanders. Clinton’s support was strongest in the majority black precincts, as can be seen by referring to the map below:
Clinton had about 85% support in the 90%+ black precincts.
Clinton got 72% of the early vote compared to 59% of the election day vote. About 75% of the vote was on election day.
Ohio has a totally open primary, so there was no barrier to party switching.
Sanders’ support was highest in Lakewood, which is a largely white young professional city.