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SAN DIEGO — Tuesday is election day in California’s governor recall election and polls across the state opened at 7 a.m.

San Diego County voters can cast ballots at 221 voting locations or the Registrar’s office through 8 p.m. Tuesday. Voters in line by 8 p.m. will be allowed to vote and residents can find their polling place by calling 800-345-8683 or by texting Vote to 468683.

If you aren’t voting in person, you can drop off a mail ballot at one of 131 mail ballot drop-off sites until 8 p.m., or send it by mail as long as it is post marked by Sept. 14.

The county had 1,970,709 registered voters as of Aug. 31 with 805,082 Democratic voters, 535,288 Republicans, 517,424 nonpartisan and 112,914 listed as other party voters.

Elections officials said 876,484 of the more than 1.96 million mail-in ballots issued in San Diego County had been returned as of Tuesday, making up 44.7% of registered voters.

“When you see those first unofficial election results shortly after 8 p.m., that will be all the mail ballots we’ve already received and processed as well as the three days of in-person voting, that will also be included in that count,” said Cynthia Paes, the county’s interim Registrar of Voters.

Elections officials say voter turnout could reach up to 70%, compared to a 66% turnout in the 2003 recall of Democratic Gov. Gray Davis.

If you missed the Aug. 30 deadline to register to vote, you can still register and vote in-person at the Registrar’s office or at any voting location in the county.

Voters can find more information about the recall election on the California Secretary of State’s website.

City News Service contributed to this story.