Trump has been advocating a border wall but Congress has repeatedly refused to approve funding for it, slammed by Democrats as costly and ineffective.
Trump won the Ohio district by 11 percentage points in the White House race in 2016.
Trump arrived in Beijing Wednesday afternoon for a three-day state visit to China, and held talks with Chinese President Xi Jinping early Thursday.
Trump will be flanked by border officials and people who have had family members killed by someone who is in the United States illegally during the 3:30 p.m. (1930 GMT) event, spokesman Hogan Gidley told reporters.
Trump also expressed his willingness to visit Britain and sign a bilateral trade deal with it, saying he was invited twice by May during their meetings on the sidelines of this year's World Economic Forum in the Swiss ski resort of Davos, which concluded on Friday.
Trump and his trade advisor Robert Lighthizer, former deputy US Trade Representative in the Ronald Reagan administration, might wish to re-live the trade battles against Western Europe and Japan in the 1970s and 1980s.
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Trump told reporters Saturday the host country for the summit has been picked. "We've picked the country, but we'll be announcing it in the future," he said at the White House, adding that he had "a very good meeting" with Kim Yong Chol.
Trump tweeted back on Tuesday evening that "@Twitter is now interfering in the 2020 Presidential Election. They are saying my statement on Mail-In Ballots, which will lead to massive corruption and fraud, is incorrect, based on fact-checking by Fake News CNN and the Amazon Washington Post.... Twitter is completely stifling FREE SPEECH, and I, as President, will not allow it to happen!"
Trump's Democratic predecessor, Barack Obama, was criticized by immigrant groups for deporting scores of non-citizen US military veterans and for deporting immigrants whose only crime was re-entering the country after an earlier removal order.
Trump did not name the Republican congressmen, but he was apparently referring to the first two Republicans to endorse him in the GOP presidential primaries. Both were indicted on separate charges last month: Rep. Duncan Hunter of California on charges that included spending campaign funds for personal expenses and Rep. Chris Collins of New York on insider trading. Both have proclaimed their innocence.