By https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpeg马特·斯蒂尔斯、布雷特·泰勒、https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/curt-portrait.jpg柯特·梅里尔、https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpeg古贺中岛、https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpeg安妮特·崔、https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpeg蕾妮·里格登
发布时间：美国东部时间2026年11月8日 凌晨5:00
国会新闻 参议院选举 美国选举 唐纳德·特朗普
在唐纳德·特朗普总统拿下全国大部分政治版图两年后，周二，他的一些铁票州的选民上演了戏剧性的逆转。
民主党翻转了七个共和党掌控的参议院席位，其中包括特朗普在2024年以两位数优势胜出的州。这种变化幅度巨大：民主党在得克萨斯州的优势提升了超过25个百分点，在堪萨斯州和南卡罗来纳州则提升了超过20个百分点。
各县的选举结果显示出这些选票增长发生的位置——从民主党传统票仓到依然稳固的共和党据点。
CNN仔细分析了民主党翻转了共和党掌控的参议院席位的七个州的县级选票——得克萨斯州、北卡罗来纳州、南卡罗来纳州、堪萨斯州、爱荷华州、俄亥俄州、缅因州和新罕布什尔州——同时也分析了密西西比州和阿拉斯加州，截至周四，这两个州的选举结果依然胶着未定。
在这些州的800个县中，有超过780个县的选民转向了民主党——这再次表明，在众议院和参议院选举中，全国选民出现了几乎一致的党派倾向转变。
在一些地方，比如得克萨斯州，许多县依然是共和党铁票区，但也出现了远离共和党的倾向。在得克萨斯州的城市地区，这些地区原本就偏向民主党或正朝着这个方向转变，这种转变同样清晰且具有决定性。
这张图表展示了各州各县在2024年总统选举中的投票情况，以及2026年参议院选举的对比。
得克萨斯州的一个关键转变发生在格兰德河谷——这个以拉丁裔为主的地区，数十年来一直是可靠的民主党票仓，但在2024年转而支持唐纳德·特朗普，今年又回归民主党。
哈林根市所在的卡梅伦县，出现了向民主党挑战者詹姆斯·塔拉里科的巨大转向。他以38.5个百分点的优势赢得该县，最终成功当选参议员，成为1988年以来首位在该州获胜的民主党参议员。
同样的转变也发生在伊达尔戈县和韦伯县，这两个县分别是麦卡伦和拉雷多的所在地。
塔拉里科获胜的部分原因可以归功于沿着35号州际公路延伸的“蓝色地带” counties 。这片横跨州中部的地带包含拉雷多、圣安东尼奥、奥斯汀、韦科和达拉斯/沃斯堡。
这21个县的民主党倾向日益明显，尽管该党在三十年间一直未能在全州范围内赢得任何公职。该地区最早在2018年引起关注，当时民主党前国会议员贝托·奥罗克差点击败共和党参议员泰德·克鲁兹。
塔拉里科在该地区以约26个百分点的优势获胜，是奥罗克2018年现代参议院竞选最高得票率的两倍多。
数据说明： 县级转变是指各地区从2024年总统选举到2026年参议院选举的优势变化。缅因州和新罕布什尔州的选举结果是按市镇而非县公布的，因此CNN将两市镇的结果相加，得出两州的县级统计数据。缅因州2026年的海外缺席选票未归属市镇，因此未纳入统计。阿拉斯加州未纳入统计，因为该州按国会选区而非县或自治市公布选举结果。2026年的选举结果为初步统计，随着更多选票的清点可能会发生变化，尤其是在尚未完成结果公布的缅因州和新罕布什尔州的市镇。
国会新闻 参议院选举 美国选举 唐纳德·特朗普
How Democrats reshaped the Senate, in charts and maps
By https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpegMatt Stiles, Brett Taylor, https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/curt-portrait.jpgCurt Merrill, https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpegKoko Nakajima, https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpegAnnette Choi, https://news-multimedia-1393112320.cos.ap-guangzhou.myqcloud.com/cnn-placeholder-image.jpegRenée Rigdon
PUBLISHED Nov 8, 2026, 5:00 AM ET
Congressional news Senate election US elections Donald Trump
Two years after President Donald Trump carried much of the country’s political map, voters in some of his strongest states delivered a dramatic reversal Tuesday.
Democrats flipped seven Republican-held Senate seats, including in states Trump won by double digits in 2024. The shifts were enormous: The Democratic margin improved by more than 25 percentage points in Texas and more than 20 points in Kansas and South Carolina.
County-by-county election results show where those gains happened, from Democratic strongholds to places that remained solidly Republican.
CNN closely examined county-level votes in seven states where Democrats flipped a Senate seat that had been held by a Republican — Texas, North Carolina, South Carolina, Kansas, Iowa, Ohio, Maine and New Hampshire — and also Mississippi and Alaska, where the results were too still close to call on Thursday.
Voters shifted toward Democrats in more than 780 of those states’ 800 counties — another illustration of the nearly uniform partisan movement by the electorate across the nation in House and Senate races.
In some places, such as Texas, scores of counties remained heavily Republican but still saw movement away from the GOP. In Texas’ urban areas, which were already Democratic or trending in that direction, the shift was also visible and decisive.
This chart shows how each state’s counties voted in the 2024 presidential election compared with the 2026 Senate contests.
A key shift in Texas came in the Rio Grande Valley, a heavily Latino region that had been reliably Democratic for decades before swinging toward President Donald Trump in 2024 — and back toward Democrats this year.
Cameron County, home to the city of Harlingen, saw a massive shift towards the Democratic challenger, James Talarico. He won the county by a 38.5 percentage-point margin en route to his Senate victory, the first for a Democrat since 1988.
Similar shifts happened in Hidalgo and Webb counties, which are home to McAllen and Laredo, respectively.
The shift that led to Talarico’s victory can be credited in part on a transforming “blue spine” of counties along Interstate 35. The swath of land through the middle of the state is home to Laredo, San Antonio, Austin, Waco and Dallas/Fort Worth.
These 21 counties have been growing more Democratic, even as the party has been shutout of statewide offices for three decades. It first emerged to prominence in 2018, when Democratic former congressman Beto O’Rourke came close to defeating Republican Sen. Ted Cruz.
Talarico carried the region by about 26 points, more than doubling O’Rourke’s 2018 high-water mark for a modern-era Senate campaign.
About the data:The county-level shifts are the change in each area margin, from the 2024 presidential race to the 2026 Senate race. Maine and New Hampshire report results by town instead of by county, so CNN added the town results together to get county totals for both years. Maine’s 2026 overseas absentee ballots aren’t assigned to a town, so they aren’t included. Alaska isn’t shown because it reports results by state House district, not by county or borough. 2026 results are preliminary and may change as more votes are counted, especially in Maine and New Hampshire towns that haven’t finished reporting.
Congressional news Senate election US elections Donald Trump
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