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Popular Vote
Charles E. GrassleyRepublican 718,215 64.35%
Roxanne ConlinDemocratic 371,686 33.30%
John HeiderscheitLibertarian 25,290 2.27%
Write-ins- 872 0.08%
State Seal Map Key
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  2010 Iowa County Map of General Election Results for Senator  
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Demographic Data

2010 Population:3,046,355Enum.2010 Population Density:21.1persons/km2
2000 Population:2,926,324Enum.2000 Population Density:20.2persons/km2
Land Area (2000):144,701km2Annual Pop Growth Rate:0.4%

Election Data and Statistics:
Election Tools
Data Sources:
  • Source for Popular Vote data: Iowa Secretary of State. Official Results Report, Iowa Secretary of State ( ) (accessed 29 Nov 2010)
  • Source for Population data: U.S. Census Bureau.
Results for and Individual County:
The 2010 Campaign:

Adair County Adams County Allamakee County Appanoose County Audubon County Benton County Black Hawk County Boone County Bremer County Buchanan County Buena Vista County Butler County Calhoun County Carroll County Cass County Cedar County Cerro Gordo County Cherokee County Chickasaw County Clarke County Clay County Clayton County Clinton County Crawford County Dallas County Davis County Decatur County Delaware County Des Moines County Dickinson County Dubuque County Emmet County Fayette County Floyd County Franklin County Fremont County Greene County Grundy County Guthrie County Hamilton County Hancock County Hardin County Harrison County Henry County Howard County Humboldt County Ida County Iowa County Jackson County Jasper County Jefferson County Johnson County Jones County Keokuk County Kossuth County Lee County Linn County Louisa County Lucas County Lyon County Madison County Mahaska County Marion County Marshall County Mills County Mitchell County Monona County Monroe County Montgomery County Muscatine County O'Brien County Osceola County Page County Palo Alto County Plymouth County Pocahontas County Polk County Pottawattamie County Poweshiek County Ringgold County Sac County Scott County Shelby County Sioux County Story County Tama County Taylor County Union County Van Buren County Wapello County Warren County Washington County Wayne County Webster County Winnebago County Winneshiek County Woodbury County Worth County Wright County