akashic
1876–2024
Elections / 1928 · President · IA

Herbert Hoover carried Iowa R+24.2.

Al Smith (D) vs Herbert Hoover (R) in Iowa, 1928. The state ran 6.8 points more Republican than the nation (R+17.5 nationally).

Nominees: Al Smith (D) · Herbert Hoover (R)

Iowa result
1,009,189 votes counted
Smith (D)
379,011
37.6%
Hoover (R)
623,570
61.8%
All others
6,608
0.7%
Margin
R+24.2
Iowa, 1928
HooverR+24.2
1928 presidential margin by county for Iowa — 1928 presidential electionA map of the constituent counties of Iowa — 1928 presidential election, each outlined and filled by its 1928 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Adair County, IA · R+38.3Adams County, IA · R+33.0Allamakee County, IA · R+19.4Appanoose County, IA · R+34.3Audubon County, IA · D+0.5Benton County, IA · R+26.1Black Hawk County, IA · R+39.1Boone County, IA · R+41.6Bremer County, IA · R+10.4Buchanan County, IA · R+30.9Buena Vista County, IA · R+31.9Butler County, IA · R+43.5Calhoun County, IA · R+21.2Carroll County, IA · D+20.8Cass County, IA · R+39.5Cedar County, IA · R+31.5Cerro Gordo County, IA · R+32.1Cherokee County, IA · R+18.2Chickasaw County, IA · R+0.6Clarke County, IA · R+25.3Clay County, IA · R+31.6Clayton County, IA · R+23.0Clinton County, IA · R+17.4Crawford County, IA · D+13.3Dallas County, IA · R+40.0Davis County, IA · R+9.5Decatur County, IA · R+19.0Delaware County, IA · R+27.8Des Moines County, IA · R+30.5Dickinson County, IA · R+41.6Dubuque County, IA · D+33.1Emmet County, IA · R+40.2Fayette County, IA · R+34.2Floyd County, IA · R+46.2Franklin County, IA · R+33.2Fremont County, IA · R+12.0Greene County, IA · R+36.2Grundy County, IA · R+38.6Guthrie County, IA · R+36.1Hamilton County, IA · R+16.6Hancock County, IA · R+23.2Hardin County, IA · R+41.2Harrison County, IA · R+11.9Henry County, IA · R+42.7Howard County, IA · R+2.8Humboldt County, IA · R+25.4Ida County, IA · R+6.7Iowa County, IA · R+14.1Jackson County, IA · R+11.9Jasper County, IA · R+40.3Jefferson County, IA · R+38.7Johnson County, IA · R+0.7Jones County, IA · R+26.1Keokuk County, IA · R+16.8Kossuth County, IA · R+1.5Lee County, IA · R+19.8Linn County, IA · R+36.8Louisa County, IA · R+38.2Lucas County, IA · R+33.3Lyon County, IA · R+31.8Madison County, IA · R+33.1Mahaska County, IA · R+39.1Marion County, IA · R+20.1Marshall County, IA · R+46.5Mills County, IA · R+22.2Mitchell County, IA · R+20.8Monona County, IA · R+13.7Monroe County, IA · R+17.8Montgomery County, IA · R+42.3Muscatine County, IA · R+35.7O'Brien County, IA · R+33.5Osceola County, IA · R+14.1Page County, IA · R+48.0Palo Alto County, IA · R+9.8Plymouth County, IA · D+1.7Pocahontas County, IA · R+8.1Polk County, IA · R+36.1Pottawattamie County, IA · R+18.3Poweshiek County, IA · R+29.8Ringgold County, IA · R+39.8Sac County, IA · R+29.6Scott County, IA · R+13.4Shelby County, IA · D+2.0Sioux County, IA · R+38.3Story County, IA · R+53.0Tama County, IA · R+7.6Taylor County, IA · R+38.4Union County, IA · R+34.2Van Buren County, IA · R+33.4Wapello County, IA · R+33.0Warren County, IA · R+40.2Washington County, IA · R+36.5Wayne County, IA · R+20.2Webster County, IA · R+13.4Winnebago County, IA · R+43.8Winneshiek County, IA · R+5.7Woodbury County, IA · R+10.0Worth County, IA · R+37.3Wright County, IA · R+32.4
How it voted
Share of the 1928 vote
Herbert HooverRepublican61.8%623,570
Al SmithDemocratic37.6%379,011
OtherAll other candidates0.7%6,608
D+60
R+60
99 counties, each filled by 1928 D-vs-R margin. Hover any county for its result.
Iowa's presidential margins
1892–2024, the 1928 contest in context
Iowa's presidential marginsDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −13.2% in 2024.flipped R · 2016−13.2%DR18922024
Iowa's presidential margins
YearMargin (D minus R)
1892−5.3%
1896−12.6%
1900−18.6%
1904−32.7%
1908−15.0%
1912+13.3%
1916−11.4%
1920−45.5%
1924−38.6%
1928−24.2%
1932+17.7%
1936+11.7%
1940−4.4%
1944−4.5%
1948+2.7%
1952−28.2%
1956−18.4%
1960−13.5%
1964+24.0%
1968−12.2%
1972−17.1%
1976−1.0%
1980−12.7%
1984−7.4%
1988+10.2%
1992+6.0%
1996+10.3%
2000+0.3%
2004−0.7%
2008+9.5%
2012+5.8%
2016−9.3%
2020−8.2%
2024−13.2%
County results — 1928
99 counties; every row links to the county's full page.
CountyWonMarginDemocraticRepublicanTotal
Adair CountyR
−38.3%
1,8544,1766,057
Adams CountyR
−33.0%
1,4792,9584,479
Allamakee CountyR
−19.4%
3,2274,7858,051
Appanoose CountyR
−34.3%
3,3406,86410,287
Audubon CountyD
+0.5%
2,3642,3404,733
Benton CountyR
−26.1%
3,3075,6699,045
Black Hawk CountyR
−39.1%
8,46719,40927,989
Boone CountyR
−41.6%
3,0497,52110,742
Bremer CountyR
−10.4%
3,1463,8797,043
Buchanan CountyR
−30.9%
3,0995,8859,004
Buena Vista CountyR
−31.9%
2,6095,0877,770
Butler CountyR
−43.5%
1,8764,7896,698
Calhoun CountyR
−21.2%
2,6814,1366,866
Carroll CountyD
+20.8%
6,1344,01410,169
Cass CountyR
−39.5%
2,6406,1208,815
Cedar CountyR
−31.5%
2,5174,8567,415
Cerro Gordo CountyR
−32.1%
4,9089,58214,567
Cherokee CountyR
−18.2%
2,7013,9096,635
Chickasaw CountyR
−0.6%
3,6653,7127,394
Clarke CountyR
−25.3%
1,6422,7804,490
Clay CountyR
−31.6%
2,0643,9866,085
Clayton CountyR
−23.0%
4,2316,77411,054
Clinton CountyR
−17.4%
8,64312,29520,992
Crawford CountyD
+13.3%
4,4953,4367,981
Dallas CountyR
−40.0%
3,1087,29410,460
Davis CountyR
−9.5%
2,5593,0975,681
Decatur CountyR
−19.0%
2,6753,9426,675
Delaware CountyR
−27.8%
3,0435,3908,456
Des Moines CountyR
−30.5%
5,57810,54716,302
Dickinson CountyR
−41.6%
1,2513,0454,315
Dubuque CountyD
+33.1%
19,4379,74429,262
Emmet CountyR
−40.2%
1,3723,2184,590
Fayette CountyR
−34.2%
4,0618,33812,509
Floyd CountyR
−46.2%
2,0745,6757,795
Franklin CountyR
−33.2%
1,6883,4245,224
Fremont CountyR
−12.0%
2,8223,5976,457
Greene CountyR
−36.2%
2,0074,2996,337
Grundy CountyR
−38.6%
1,6203,6715,318
Guthrie CountyR
−36.1%
2,2354,7727,034
Hamilton CountyR
−16.6%
2,9754,1717,190
Hancock CountyR
−23.2%
1,9333,1145,095
Hardin CountyR
−41.2%
2,3735,7318,150
Harrison CountyR
−11.9%
4,4065,60510,046
Henry CountyR
−42.7%
2,0535,1607,278
Howard CountyR
−2.8%
3,1933,3756,594
Humboldt CountyR
−25.4%
1,6792,8284,523
Ida CountyR
−6.7%
2,1722,4864,711
Iowa CountyR
−14.1%
3,0754,0917,196
Jackson CountyR
−11.9%
3,7294,7408,506
Jasper CountyR
−40.3%
3,8579,14413,108
Jefferson CountyR
−38.7%
2,1594,9197,124
Johnson CountyR
−0.7%
7,1817,28814,498
Jones CountyR
−26.1%
2,9765,0908,101
Keokuk CountyR
−16.8%
3,7725,3049,108
Kossuth CountyR
−1.5%
4,7364,8789,686
Lee CountyR
−19.8%
7,78511,64519,455
Linn CountyR
−36.8%
11,71525,45237,299
Louisa CountyR
−38.2%
1,4573,2754,760
Lucas CountyR
−33.3%
1,8883,8115,773
Lyon CountyR
−31.8%
1,6323,1704,838
Madison CountyR
−33.1%
2,1784,3646,597
Mahaska CountyR
−39.1%
3,2007,36810,665
Marion CountyR
−20.1%
4,1136,22510,487
Marshall CountyR
−46.5%
3,3849,32612,792
Mills CountyR
−22.2%
2,1793,4295,634
Mitchell CountyR
−20.8%
2,3083,5345,900
Monona CountyR
−13.7%
2,8363,7456,623
Monroe CountyR
−17.8%
2,8194,0606,981
Montgomery CountyR
−42.3%
2,0795,1557,280
Muscatine CountyR
−35.7%
4,0558,60412,757
O'Brien CountyR
−33.5%
2,3974,8457,298
Osceola CountyR
−14.1%
1,5672,0853,678
Page CountyR
−48.0%
2,4787,1819,792
Palo Alto CountyR
−9.8%
2,8433,4636,355
Plymouth CountyD
+1.7%
5,0154,8489,897
Pocahontas CountyR
−8.1%
2,8243,3226,180
Polk CountyR
−36.1%
19,72542,29062,513
Pottawattamie CountyR
−18.3%
9,90514,35424,368
Poweshiek CountyR
−29.8%
2,7875,2128,150
Ringgold CountyR
−39.8%
1,5723,6745,281
Sac CountyR
−29.6%
2,4144,4616,918
Scott CountyR
−13.4%
12,94216,97430,058
Shelby CountyD
+2.0%
3,6043,4597,081
Sioux CountyR
−38.3%
2,8396,3789,248
Story CountyR
−53.0%
2,7149,03511,932
Tama CountyR
−7.6%
4,7985,58910,432
Taylor CountyR
−38.4%
2,0744,7006,843
Union CountyR
−34.2%
2,6515,4328,143
Van Buren CountyR
−33.4%
1,9443,9045,875
Wapello CountyR
−33.0%
5,79311,58617,528
Warren CountyR
−40.2%
2,2395,2947,591
Washington CountyR
−36.5%
2,7545,9488,742
Wayne CountyR
−20.2%
2,5793,9116,578
Webster CountyR
−13.4%
6,4978,52515,119
Winnebago CountyR
−43.8%
1,2683,3864,831
Winneshiek CountyR
−5.7%
4,5355,0849,692
Woodbury CountyR
−10.0%
16,83120,58737,584
Worth CountyR
−37.3%
1,3102,9214,321
Wright CountyR
−32.4%
2,5475,0207,630