Former Vice President Joe Biden is the latest high-profile politician to announce a visit to Iowa.

He'll join an early-vote rally Tuesday in Cedar Rapids with state Rep. Abby Finkenauer, who is seeking to unseat U.S. Rep. Rod Blum in Iowa's 1st District, as well as Democratic governor candidate Fred Hubbell.

Biden endorsed Finkenauer's campaign ahead of the Democratic primary election in June.

More:October round-up: Here are all the politicians visiting Iowa this month

He's the latest in an ever-growing list of politicians and possible 2020 presidential candidates to swing through the first-in-the-nation caucus state. California Sen. Kamala Harris was in town this week, and Minnesota Sen. Amy Klobuchar is visiting Saturday.

The former vice president has said he'll make a decision about whether to run for president by January.