--- title: Hillary Clinton Expands Donald Trump Lead in 3 Key States description: Iowa, Ohio and Pennsylvania will be important battlegrounds for the candidates canonical: https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/ author: Sarah Begley article:opinion: false article:content_tier: free article:published_time: 2016-08-09T21:54:37.000Z article:modified_time: 2026-02-22T23:52:28.312Z article:section: Politics og:title: Poll: Hillary Clinton Expands Lead Over Donald Trump in 3 Key States og:description: Iowa, Ohio and Pennsylvania will be important battlegrounds for the candidates og:url: https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt3138847b34299dd4/6988a1c1e20a873ddda91fd7/hillary-clinton.jpeg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 og:image:width: 1200 og:image:height: 675 og:image:alt: Hillary Clinton And Tim Kaine Take Campaign Bus Tour Through Pennsylvania And Ohio og:type: article twitter:card: summary_large_image twitter:title: Poll: Hillary Clinton Expands Lead Over Donald Trump in 3 Key States twitter:description: Iowa, Ohio and Pennsylvania will be important battlegrounds for the candidates twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt3138847b34299dd4/6988a1c1e20a873ddda91fd7/hillary-clinton.jpeg?branch=production&width=3840&quality=75&auto=webp&crop=16:9 ---  # Poll: Hillary Clinton Expands Lead Over Donald Trump in 3 Battleground States by [Sarah Begley](https://time.com/author/sarah-begley/) ## Sarah Begley Aug 9, 2016 9:54 PM UTC  Democratic presidential nominee former Secretary of State Hillary Clinton greets supporters during a campaign rally with democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) at the David L. Lawrence Convention Center on July 30, 2016 in Pittsburgh, Pennsylvania. Democratic presidential nominee former Secretary of State Hillary Clinton greets supporters during a campaign rally with democratic vice presidential nominee U.S. Sen Tim Kaine (D-VA) at the David L. Lawrence Convention Center on July 30, 2016 in Pittsburgh, Pennsylvania.Justin Sullivan—Getty Images by [Sarah Begley](https://time.com/author/sarah-begley/) ## Sarah Begley Aug 9, 2016 9:54 PM UTC New [polling](http://www.nbcnews.com/politics/first-read/polls-clinton-ahead-trump-midwest-battlegrounds-n626541?cid=sm%5Ftw) reveals that [Hillary Clinton](http://time.com/4445467/donald-trump-hillary-clinton-second-amendment-judges/) has expanded her lead over [Donald Trump](http://time.com/money/4444178/trump-economic-plan-criticism/) in three key states after the Republican and Democratic conventions. The latest numbers from NBC/WSJ/Marist show that in a two-way face-off, Clinton increased her lead over Trump from three points to four points among registered voters in Iowa, from nine points to 11 points in Pennsylvania, and from a tie to a five-point lead in Ohio. Expanded to a four-way race including Gary Johnson and Jill Stein, the new polls reveal a Clinton-Trump tie in Iowa, a four-point Clinton lead in Ohio, and a nine-point Clinton lead in Pennsylvania. “These three states are key ingredients in Trump’s formula for success and a region where Trump was hoping \[running mate Mike\] [Pence](http://time.com/4431311/mike-pence-donald-trump-name-calling/) would provide a boost,” Lee Miringoff, director of the Marist College Institute for Public Opinion, told NBC News. “Yet Trump is coming up short in his bid to change the electoral map. Given that Clinton has many more paths to the White House, these poll results are a warning sign for the Trump effort.” The NBC/WSJ/Marist polls took place from Aug. 3 to 7 and included between 800 and 900 registered voters in each state, with margins of error of +/-3.3 to 3.4 percentage points. \[[NBC News](http://www.nbcnews.com/politics/first-read/polls-clinton-ahead-trump-midwest-battlegrounds-n626541?cid=sm%5Ftw)\] ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/"},"headline":"Poll: Hillary Clinton Expands Lead Over Donald Trump in 3 Battleground States","datePublished":"2016-08-09T21:54:37.000Z","dateModified":"2026-02-22T23:52:28.312Z","description":"Iowa, Ohio and Pennsylvania will be important battlegrounds for the candidates","url":"https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/","keywords":["2016 Election","2016 Election topic"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt3138847b34299dd4/6988a1c1e20a873ddda91fd7/hillary-clinton.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Sarah Begley","jobTitle":null,"url":"https://time.com/author/sarah-begley/"}],"articleSection":"Politics","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt3138847b34299dd4/6988a1c1e20a873ddda91fd7/hillary-clinton.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Hillary Clinton And Tim Kaine Take Campaign Bus Tour Through Pennsylvania And Ohio","caption":"Hillary Clinton And Tim Kaine Take Campaign Bus Tour Through Pennsylvania And Ohio","creditText":"Justin Sullivan—Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/politics/","name":"Politics"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/2016-election/","name":"2016 Election"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/4445780/hillary-clinton-donald-trump-iowa-pennsylvania-ohio-poll/","name":"Poll: Hillary Clinton Expands Lead Over Donald Trump in 3 Battleground States"}}]}] ```