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  Iowa - Party Registration History
State DETAILS
Parents > United States > Iowa  
Website
Established December 28, 1846
Disbanded Still Active
Last ModifiedRP March 22, 2020 02:52pm
DescriptionPolls are open from 7:00am to 9:00pm Central Time

Registration is Partisan.

INFORMATION
DateRegistrations
Nov 01, 2020
R719,591 (34.33%) D699,001 (33.35%) I659,488 (31.47%) OTH17,501 (0.83%)
Oct 01, 2020
R703,336 (34.2%) D690,251 (33.57%) I646,725 (31.45%) OTH15,773 (0.76%)
Jun 01, 2020
D674,456 (33.76%) R669,503 (33.51%) I639,833 (32.03%) OTH13,615 (0.68%)
Mar 02, 2020
I713,692 (35.69%) D642,899 (32.15%) R628,154 (31.41%) OTH14,863 (0.74%)
Jan 02, 2020
I746,494 (37%) R639,968 (31.72%) D614,516 (30.46%) OTH16,225 (0.8%)
Oct 01, 2018
I710,584 (35.7%) R644,142 (32.36%) D620,639 (31.18%) LBT11,876 (0.59%) OTH2,720 (0.13%)
Oct 03, 2016
I678,893 (34.64%) R652,545 (33.3%) D618,785 (31.58%) OTH9,121 (0.46%)
Jun 01, 2016
I670,068 (34.77%) R639,476 (33.18%) D610,608 (31.68%) OTH6,821 (0.35%)
Jan 04, 2016
I726,819 (37.64%) R612,112 (31.7%) D584,111 (30.25%) OTH7,555 (0.39%)
Oct 01, 2014
I703,955 (36.5%) R618,775 (32.08%) D600,439 (31.13%) OTH5,130 (0.26%)
Sep 04, 2012
I675,171 (35.33%) R622,176 (32.56%) D611,284 (31.99%) OTH2,072 (0.1%)
Jan 03, 2012
I719,405 (36.32%) D644,223 (32.52%) R614,913 (31.04%) OTH2,146 (0.1%)
Oct 01, 2010
I694,229 (35.16%) D661,682 (33.51%) R616,649 (31.23%) OTH1,674 (0.08%)
Nov 02, 2009
I704,824 (35.83%) D682,641 (34.7%) R577,789 (29.37%) OTH1,478 (0.07%)
Oct 01, 2008
I693,447 (35.25%) D685,818 (34.86%) R586,998 (29.84%) OTH543 (0.02%)
Jun 02, 2008
I685,106 (35.54%) D664,031 (34.45%) R577,914 (29.98%) OTH193 (0.01%)
Dec 03, 2007
I740,400 (38.59%) D602,947 (31.43%) R575,025 (29.97%)
Mar 12, 2007
I766,752 (38.69%) D619,248 (31.25%) R595,464 (30.05%)
Oct 04, 2006
I727,010 (37.88%) D604,330 (31.49%) R587,745 (30.62%)
Oct 01, 2004
I807,847 (39.13%) R632,355 (30.63%) D624,139 (30.23%) G82 (0%)
Aug 01, 2004
I696,037 (37.52%) R585,434 (31.56%) D573,354 (30.91%) G81 (0%)
Oct 24, 2003
I692,042 (38.37%) R582,366 (32.29%) D528,638 (29.31%) G118 (0%)
Aug 29, 2003
I684,090 (38.18%) R580,677 (32.41%) D526,426 (29.38%) G138 (0%)
Mar 08, 2003
I685,329 (37.81%) R589,517 (32.52%) D537,425 (29.65%)
Jan 01, 2003
I676,946 (37.48%) R588,872 (32.6%) D537,728 (29.77%) G2,480 (0.13%)
Oct 01, 2000
I658,602 (36.49%) R585,458 (32.43%) D560,813 (31.07%)