Template:1987 Ontario general election/York South

! style="text-align:right;" colspan=3 |Total valid votes ! style="text-align:right;" |28,002 ! style="text-align:right;" |100.00 ! style="text-align:right;" colspan=3 |Rejected, unmarked and declined ballots ! style="text-align:right;" |275 ! style="text-align:right;" | ! style="text-align:right;" colspan=3 |Turnout ! style="text-align:right;" |28,277 ! style="text-align:right;" |70.46 ! style="text-align:right;" colspan=3 |Electors on the lists ! style="text-align:right;" |40,134 ! style="text-align:right;" |
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