There were 15,171 votes cast in the 2018 Oro Valley Mayoral Election. 82% of these were votes cast via mail in ballots. Apparently, people had already made up their minds long before the polls opened.
The impact of a ban on vote harvesting is clearly seen in this election. Harvesting, if it had occurred, would have been seen in the number of provisional ballots cast. In this election, provisional ballots were a mere 1% of all ballots cast.
Mayor-elect Winfield held a healthy margin of victory, regardless of which method of voting voters chose. Take a look at the results by voting mode.