Democrats entered the 2026 midterm elections needing to defend familiar political territory while searching for opportunities to expand the map. Some of their most important tests came in the South. And on Tuesday, Democrats broke through.
Democrat James Talarico won a U.S. Senate seat in Texas, giving Democrats a statewide federal victory in a state that had frustrated them for decades. Former North Carolina Governor Roy Cooper flipped another Republican-held Senate seat, while Senator Jon Ossoff won reelection decisively in Georgia.
Democrats also scored a stunning Senate upset in South Carolina. And the Democratic surge reached considerably deeper into Republican territory. In Mississippi, Democrat Scott Colom was leading Republican Senator Cindy Hyde-Smith by fewer than 2,000 votes Thursday evening, with the race still too close to call.
If Colom wins, he would become Mississippi's first Democratic senator since 1982 and its first Black U.S. senator since Reconstruction. Democrats even came within striking distance in Louisiana. Republican Julia Letlow defeated Democrat Jamie Davis in the Senate race, but by only about 1.8 percentage points, 50.9 percent to 49.1 percent, according to results reported by NBC News.
Trump carried Louisiana by roughly 22 points just two years earlier. The Southern victories formed part of a broader Democratic wave that handed the party control of both chambers of Congress. By early Wednesday afternoon, Democrats had flipped seven Republican-held Senate seats and more than two dozen House seats without losing a Democratic seat in either chamber.
Taken together, the results offered a test of an idea Democrats have pursued with uneven success for years: that fast-growing Southern states can become genuine battlegrounds rather than expensive political mirages. This time, the results provided significant evidence that the strategy could work. That does not necessarily mean the South is turning blue.
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