But 2020, with a record 18.7 millions ballots cast by Latino voters, proved just how wrong that theory was. Though roughly 60 percent chose President Biden, the movement toward Donald J. Trump plunged Democrats into a period of soul-searching.

While there has not been a conclusive detailed analysis, exit polling and focus groups from both parties show that Mr. Trump won over Hispanic voters without a college degree who were critical of shutdown orders amid the pandemic and believed the former president would be a better steward of the economy. Republicans also did well with Cubans, Venezuelans and Colombians in South Florida who viewed Democrats as sympathetic to socialism, as well as Mexican Americans in South Texas and other regions who backed his border policies. Evangelicals made up a sizable portion of Latino Trump supporters based on their opposition to abortion…

Some activists are quietly criticizing the new efforts as lackluster, and point out that while outreach has increased, there has not been a major policy victory on a critical issue like an immigration overhaul. But they acknowledge that there is a growing recognition that winning over Latino voters will take more than stops at taco shops and inserting mangled Spanish slogans into stump speeches.