(CNN) Ohio's vote-by-mail primary takes place Tuesday after it was pushed back last month just as the coronavirus pandemic forced rallies and other in-person campaigning to grind to a halt.

Absentee ballots needed to be postmarked by Monday in order to count. Voters can also bring ballots to county boards of elections before 7:30 p.m. Tuesday. In-person voting is only available on Tuesday to individuals with disabilities who require in-person voting and those who do not have a home mailing address.

A day ahead of the primary, Ohio Secretary of State Frank LaRose announced that more than 1.9 million Ohioans had requested vote-by-mail ballots and that more than 1.4 million ballots had already been cast.

"In a matter of weeks, we've done something that's taken other states years to do -- transform our state into one capable of voting entirely by mail," LaRose said in a statement.

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