Nationwide opinion polling for the 2008 Democratic Party presidential primaries

This is a collection of scientific, public nationwide opinion polls that have been conducted relating to the United States Democratic presidential candidates, 2008|2008 Democratic presidential candidates.

2008 After Jan. Poll sourceSamplesizeMarginDate(s)administered GallupGallup1,279±3%May 25–28, 200842%52%2%4%Rasmussen ReportsRasmussen Reports900±4%May 25–28, 200844%47%–Pew Research CenterPew Research Center618±4.5%May 21–25, 200841%54%–5%NewsweekNewsweek608±5%May 21–22, 200842%50%8%Reuters/ZogbyReuters/Zogby–May 15–18, 200833%59%8%Quinnipiac UniversityQuinnipiac University–May 8–12, 200841%45%–14%ABC News/Washington PostABC News/Washington Post620±4%May 8–11, 200841%53%4%2%USA Today/GallupUSA Today/Gallup516May 1–4, 200851%44%5%Ipsos Public AffairsIpsos Public Affairs514±4.3%Apr. 30–May 4, 200847%40%1%12%CBS News/New York TimesCBS News/New York Times283±5%May 1–3, 200838%50%–9%Diageo/Hotline374±5.1%Apr. 30–May 3, 200837%48%5%8%CNN/Opinion Research441±4.5%Apr. 28–30, 200845%46%–9%Fox News/Opinion DynamicsFox News/Opinion Dynamics400±5%Apr. 28–29, 200844%41%8%7%CBS News/New York TimesCBS News/New York Times402±5%Apr. 25–29, 200838%46%–14%NBC News/WSJNBC News/WSJ–±4.2%Apr. 25–28, 200843%46%4%7%Pew Research CenterPew Research Center651±4.5%Apr. 23–27, 200845%47%–8%Associated Press/IpsosAssociated Press/Ipsos457±4.6%Apr. 23–27, 200843%46%5%6%NewsweekNewsweek592±5%Apr. 24–25, 200841%48%11%USA Today/GallupUSA Today/Gallup552±5%Apr. 18–20, 200840%50%2%8%NewsweekNewsweek588±5%Apr. 16–17, 200835%54%11%ABC News/Washington PostABC News/Washington Post643±4%Apr. 10–13, 200841%51%3%5%Reuters/Zogby532±4.3%Apr. 10–12, 200838%51%–Associated Press/IpsosAssociated Press/Ipsos489±4.4%Apr. 7–9, 200843%46%3%8%CBS News/New York TimesCBS News/New York Times469–March 28–Apr. 2, 200843%46%3%8%Diageo/HotlineDiageo/Hotline342±5.3%March 28–31, 200838%50%6%6%NBC News/WSJNBC News/WSJ384–March 24–25, 200845%45%2%8%Pew Research CenterPew Research Center618±3%March 19–22, 200839%49%–12%Fox News/Opinion DynamicsFox News/Opinion Dynamics388±5%March 18–19, 200830%31%24%14%CBS NewsCBS News1,067±3%March 15–18, 200837%39%10%14%USA Today/GallupUSA Today/Gallup530±5%March 14–16, 200842%49%2%8%CNN/Opinion ResearchCNN/Opinion Research463±4.5%March 14–16, 200845%52%–Reuters/ZogbyReuters/Zogby525±4.4%March 13–14, 200844%47%–NBC News/WSJNBC News/WSJ–March 7–10, 200847%43%–ABC News/Washington PostABC News/Washington Post629±4%Feb. 28 – March 2, 200843%50%7%–Los Angeles Times/BloombergLos Angeles Times/Bloomberg–Feb. 21–25, 200842%48%5%5%Associated Press/IpsosAssociated Press/Ipsos473±4.6%Feb. 22–24, 200843%46%5%6%USA Today/GallupUSA Today/Gallup1,009±3%Feb. 21–24, 200839%51%–Pew ResearchPew Research633–Feb. 20–24, 200840%49%2%9%CBS News/New York TimesCBS News/New York Times427±5%Feb. 20–24, 200838%54%1%7%Fox NewsFox News–±3%Feb. 19–20, 200844%44%2%9%Diageo/Hotline361±5.1%Feb. 14–17, 200845%43%2%9%Reuters/ZogbyReuters/Zogby494±4.5%Feb. 13–16, 200838%52%–Associated Press/IpsosAssociated Press/Ipsos520±4.3%Feb. 7–10, 200846%41%–USA Today/Gallup‡USA Today/Gallup‡525±5.0%Feb. 8–9, 200844%47%4%6%Newsweek†Newsweek†602±3%Feb. 6–7, 200841%42%–17%CNN/Opinion Research*CNN/Opinion Research*500±4.5% Feb. 1–3, 200846%49%–Gallup*Gallup*1,239±3.0%Feb. 1–3, 200847%43%4%6%Rasmussen Reports*Rasmussen Reports*900±4%Jan. 31 – Feb. 3, 200846%40%–CBS News/New York Times*CBS News/New York Times*491±3.0%Jan. 31 – Feb. 2, 200841%41%–14%Cook Political Report/RT Strategies*Cook Political Report/RT Strategies*376±3.1% Jan. 31 – Feb. 2, 200837%43%3%17%USA Today/Gallup*985±4.0%Jan. 30 – Feb. 2, 200845%44%–

Jan. 2008 Poll sourceDate(s)administered "Other"CandidatesABC/Washington PostABC/Washington Post Margin of Error: ± 3.0% Jan. 30 – Feb. 1, 200847%2%43%5%USA Today/GallupUSA Today/Gallup Margin of Error: ± 3.0%Jan. 25–27, 200844%14%33%2%8%Other 2%NBC News/WSJNBC News/WSJ Margin of Error: ± 3.1%Jan. 20–22, 200847%12%32%4%5%Dennis Kucinich 3%, None 1%Los Angeles Times/BloombergLos Angeles Times/BloombergJan. 18–22, 200842%11%33%2%12%Dennis Kucinich 1%, Other 1%  Jan. 10–12, 200838%13%35%2% Dennis Kucinich 2%CBS/NYT PollCBS/NYT Poll Jan. 9–12, 200842%11%27%4%13% Dennis Kucinich 4%ABC/Washington PostABC/Washington Post Jan. 9–12, 200852%11%37%2%3% Dennis Kucinich 2%CNN/Opinion ResearchCNN/Opinion Research Jan. 9–10, 200849%12%36%1%2% Dennis Kucinich 1%USA Today/GallupUSA Today/Gallup Jan. 4–6, 200833%20%33%4% Dennis Kucinich 3%, Bill Richardson 1%Rasmussen ReportsRasmussen Reports Jan. 3–6, 200833%20%29%18% Other Response 18%

2007