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As of July 2021, 31 states (plus the Commune of Columbia and the U.S. Virgin Islands) allowed voters to bespeak their partisan affiliations on voter registration forms and reported total registration numbers publicly. The remaining 19 states either did non enquire voters to indicate partisan affiliation on their registration forms or did not publicly written report those totals, according to analysis washed by Ballotpedia.

This article provides details about the number of registered voters by partisan affiliations in those states that let voters to annals by party and report those totals publicly. Historical data dating back to 2000 was provided to Ballotpedia by Richard Winger, the editor and publisher of Ballot Admission News.

HIGHLIGHTS

  • Every bit of July 2021, 49.three million registered voters identified themselves as Democrats. At 39.6%, Democrats represented the single largest share of registered voters in those states that allow voters to signal partisan affiliation on their registration forms. A full of 36.4 meg registered voters identified themselves as Republicans, representing 29.2% of registered voters in these states.
  • Approximately 38.viii million registered voters identified themselves every bit independents or members of third-parties. This amounted to 31.ii% of registered voters in these states.
  • In the 2020 presidential ballot, Joe Biden (D) received a combined 53.five% of the vote to Donald Trump's (R) 44.7% across these states. Both candidates received a larger percentage of votes than the percent of their corresponding party's registered voters. Contained and 3rd-party voters made up 31.2% of all registered voters in these states, while independent and third-party presidential candidates received 1.9% of the vote.
  • In those states that prompt voters to indicate partisan affiliation on registration forms, affiliation with a political political party may exist a condition of participation in that party's primaries. To acquire more about primary participation criteria, click here.
  • Voter registration figures, 2021

    The map below shows the 31 states that displayed voter registration figures publicly as of July 2021. In 22 states, no single group of voters made up a bulk of registrants: in ten states, Democrats made upwardly a plurality of registered voters and Republicans made upwards a plurality in four. Voters registered as independent or with a third political party made upward a plurality of registrants in 8 states. Democrats fabricated upwards a bulk of registered voters in two states—Maryland and New York—and Republicans made upward a majority in 4—Idaho, Oklahoma, Utah, and Wyoming. Independent or third party registrants fabricated up a bulk in iii states—Alaska, Arkansas, and Massachusetts.

    The tabular array below shows voter registration figures in the 31 states that allow voters to signal partisan affiliation on their voter registration forms.

    Voter registration figures by partisan affiliation, as of June 2021[i]
    Land Autonomous Republican Independent/
    nonpartisan
    American Contained Constitution Green Libertarian Working Families Other[2]
    Alaska [iii] 81,255 149,173 338,931 - 646 1,524 6,948 - 21,127
    Arizona [4] 1,489,356 1,603,522 - - - - 42,220 - 1,566,514
    Arkansas [five] 90,420 117,277 one,556,117 - - 94 687 - 1
    California [6] 10,288,144 5,347,377 v,381,720 680,573 - 85,828 204,345 - 226,317
    Colorado [vii] 1,202,364 one,075,475 - - 13,807 10,164 48,367 - 1,800,711
    Connecticut [eight] 926,567 510,012 1,025,878 - - - - - 42,619
    Delaware [9] 355,522 208,305 173,663 - 271 735 2,046 353 3,593
    District of Columbia [10] 400,274 29,368 85,321 - - 3,872 2,147 - one,556
    Florida [eleven] 5,267,864 5,178,159 three,829,504 - - - - - 246,276
    Idaho [12] 136,582 523,887 307,746 - 3,650 - 10,587 - 0
    Iowa [thirteen] 717,368 739,193 722,136 - - - - - 19,644
    Kansas [14] 499,699 856,026 530,240 - - - 20,925 - 0
    Kentucky [15] 1,652,069 ane,575,249 130,908 - 1,009 2,007 14,272 - 184,862
    Louisiana [16] 1,223,296 ane,007,682 - - - - - - 806,752
    Maine [17] 406,067 322,708 364,274 - - 45,752 - - 0
    Maryland [eighteen] 2,262,797 i,015,812 766,788 - - five,917 14,950 - 43,498
    Massachusetts [nineteen] 1,494,980 459,663 ii,717,293 - - - - - lx,004
    Nebraska [20] 359,656 595,041 269,321 - - - eighteen,101 - 194
    Nevada [21] 719,868 620,245 524,941 93,640 - - 20,577 - 47,817
    New Hampshire [22] 326,735 309,281 408,092 - - - - - 0
    New Jersey [23] two,554,293 1,464,449 two,433,541 - 16,960 xi,786 20,323 - 33,040
    New Mexico [24] 603,593 418,240 295,004 - - - 13,015 - 14,357
    New York [25] six,748,526 two,914,704 3,015,356 - - - - 48,207 667,318
    Northward Carolina [26] two,483,506 two,162,456 2,393,552 - 26 8 46,037 - 0
    Oklahoma [27] 699,424 1,102,039 355,943 - - - 16,362 - 0
    Oregon [28] 1,035,614 737,794 963,421 - iii,784 7,998 21,706 eight,605 157,624
    Pennsylvania [29] 4,040,673 iii,420,953 885,116 - - - - - 384,406
    Rhode Island [xxx] 301,303 99,285 303,571 - - - - - 0
    South Dakota [31] 158,130 281,337 141,850 - - - 2,503 - i,423
    U.S. Virgin Islands [32] 34,281 1,975 xvi,246 - - - - - 1,352
    Utah [33] 271,055 909,962 557,658 64,985 7,065 - 21,951 - 2,528
    Due west Virginia [34] 408,307 434,634 257,527 - - - 8,882 - 39,442
    Wyoming [35] 46,251 195,308 34,766 - 697 - two,553 - 39
    Total 49,285,839 36,386,591 30,786,424 839,198 47,915 175,685 559,504 57,165 vi,373,014

    Correlations with balloter outcomes

    The tables compare partisan amalgamation figures and balloter outcomes in the 31 states that permit voters to indicate partisan affiliation on their voter registration forms.

    State legislative seats

    The table beneath compares partisan affiliation figures in the 31 states that let voters to indicate partisan affiliation on their voter registration forms with the partisan composition of their land legislatures.

    Voter registration figures by partisan affiliation and partisan limerick of state legislative seats, as of June 2021
    State Democratic Republican Other[36]
    # of seats % of seats Registration % # of seats % of seats Registration % # of seats % of seats Registration %
    Alaska 35 25.0% xiii.half-dozen% 102 72.ix% 24.9% 0 0.0% 61.6%
    Arizona 43 47.8% 31.vii% 47 52.ii% 34.1% 0 0.0% 34.two%
    Arkansas 29 21.5% 5.ane% 105 77.viii% 6.vi% i 0.vii% 88.2%
    California xc 75.0% 46.iii% 28 23.3% 24.1% 1 0.8% 29.6%
    Colorado 61 61.0% 29.0% 39 39.0% 25.nine% 0 0.0% 45.1%
    Connecticut 120 64.2% 37.0% 66 35.3% 20.4% 0 0.0% 42.vii%
    Delaware xl 64.5% 47.8% 22 35.five% 28.0% 0 0.0% 24.three%
    District of Columbia - - 76.6% - - 5.6% - - 17.8%
    Florida 58 36.3% 36.3% 102 63.8% 35.7% 0 0.0% 28.one%
    Idaho 19 xviii.1% thirteen.nine% 86 81.9% 53.3% 0 0.0% 32.8%
    Iowa 59 39.3% 32.six% 91 60.7% 33.6% 0 0.0% 33.seven%
    Kansas fifty xxx.three% 26.2% 115 69.7% 44.9% 0 0.0% 28.9%
    Kentucky 33 23.9% 46.4% 105 76.i% 44.2% 0 0.0% 9.4%
    Louisiana 45 31.3% 40.three% 95 66.0% 33.2% iii ii.one% 26.half dozen%
    Maine 102 54.eight% 35.7% 79 42.v% 28.3% v 2.seven% 36.0%
    Maryland 131 69.7% 55.ane% 57 xxx.3% 24.vii% 0 0.0% 20.2%
    Massachusetts 166 83.0% 31.6% 33 16.5% 9.seven% i 0.5% 58.vii%
    Nebraska 17 34.seven% 29.0% 32 65.3% 47.ix% 0 0.0% 23.2%
    Nevada 38 60.3% 35.5% 25 39.7% 30.6% 0 0.0% 33.ix%
    New Hampshire 196 46.2% 31.3% 226 53.iii% 29.half dozen% 0 0.0% 39.i%
    New Jersey 77 64.two% 39.1% 43 35.8% 22.4% 0 0.0% 38.5%
    New Mexico 72 64.3% 44.ix% 39 34.8% 31.1% 1 0.9% 24.0%
    New York 149 70.0% 50.4% 63 29.half dozen% 21.viii% 1 0.5% 27.nine%
    Due north Carolina 73 42.ix% 35.1% 97 57.1% xxx.5% 0 0.0% 34.four%
    Oklahoma 28 18.8% 32.ii% 121 81.ii% fifty.seven% 0 0.0% 17.one%
    Oregon 55 61.1% 35.3% 33 36.7% 25.1% 1 1.one% 39.six%
    Pennsylvania 110 43.v% 46.iii% 141 55.vii% 39.ii% ane 0.4% 14.5%
    Rhode Island 98 86.7% 42.8% 15 thirteen.3% 14.ane% 0 0.0% 43.one%
    S Dakota 5 5.i% 27.0% 94 94.9% 48.1% 0 0.0% 24.ix%
    U.S. Virgin Islands - - 63.7% - - 3.7% - - 32.7%
    Utah 23 22.ane% 14.viii% 81 77.9% 49.half-dozen% 0 0.0% 35.half-dozen%
    West Virginia 33 24.6% 35.5% 101 75.4% 37.eight% 0 0.0% 26.6%
    Wyoming 9 x.0% 16.v% 79 87.8% 69.8% two 2.2% xiii.half-dozen%
    Full 2,064 46.four% 39.6% two,362 53.0% 29.2% 17 0.4% 31.2%

    Congressional seats

    The table beneath compares partisan affiliation figures in the 31 states that report voter registration information with the partisan composition of their U.S. House congressional delegations.

    Voter registration figures past partisan amalgamation and partisan limerick of U.S. House seats, as of June 2021
    State Autonomous Republican Other[37]
    # of seats % of seats Registration % # of seats % of seats Registration % # of seats % of seats Registration %
    Alaska 0 0.0% 13.6% 1 100.0% 24.9% 0 0.0% 61.6%
    Arizona 5 55.6% 31.7% 4 44.4% 34.1% 0 0.0% 34.2%
    Arkansas 0 0.0% v.1% four 100.0% 6.6% 0 0.0% 88.2%
    California 42 79.2% 46.3% 11 xx.8% 24.1% 0 0.0% 29.6%
    Colorado 4 57.1% 29.0% three 42.9% 25.nine% 0 0.0% 45.1%
    Connecticut 5 100.0% 37.0% 0 0.0% 20.iv% 0 0.0% 42.7%
    Delaware one 100.0% 47.eight% 0 0.0% 28.0% 0 0.0% 24.three%
    District of Columbia - - 76.half-dozen% - - 5.6% - - 17.8%
    Florida 10 37.0% 36.3% 16 59.three% 35.seven% 0 0.0% 28.i%
    Idaho 0 0.0% thirteen.9% 2 100.0% 53.3% 0 0.0% 32.eight%
    Iowa one 25.0% 32.6% 3 75.0% 33.6% 0 0.0% 17.8%
    Kansas ane 25.0% 36.three% 3 75.0% 35.seven% 0 0.0% 28.1%
    Kentucky 1 xvi.seven% 46.4% 5 83.3% 44.2% 0 0.0% 9.4%
    Louisiana 1 16.7% 40.3% 5 83.3% 33.2% 0 0.0% 26.6%
    Maine 2 100.0% 35.vii% 0 0.0% 28.iii% 0 0.0% 36.0%
    Maryland 7 87.5% 55.1% i 12.5% 24.seven% 0 0.0% 20.2%
    Massachusetts 9 100.0% 31.6% 0 0.0% nine.7% 0 0.0% 58.7%
    Nebraska 0 0.0% 29.0% 3 100.0% 47.9% 0 0.0% 23.2%
    Nevada 3 75.0% 35.5% 1 25.0% 30.half-dozen% 0 0.0% 33.9%
    New Hampshire ii 100.0% 31.three% 0 0.0% 29.half dozen% 0 0.0% 39.ane%
    New Bailiwick of jersey 10 83.3% 39.one% ii 16.7% 22.4% 0 0.0% 38.5%
    New Mexico 2 66.7% 44.9% 1 33.3% 31.1% 0 0.0% 24.0%
    New York xix 70.iv% l.4% 8 29.6% 21.8% 0 0.0% 27.9%
    North Carolina 5 38.five% 35.i% eight 61.5% thirty.5% 0 0.0% 34.4%
    Oklahoma 0 0.0% 32.two% 5 100.0% l.vii% 0 0.0% 17.ane%
    Oregon iv 80.0% 35.three% 1 20.0% 25.i% 0 0.0% 39.6%
    Pennsylvania 9 50.0% 46.3% 9 50.0% 39.2% 0 0.0% 14.v%
    Rhode Island 2 100.0% 42.8% 0 0.0% xiv.1% 0 0.0% 43.1%
    South Dakota 0 0.0% 27.0% 1 100.0% 48.ane% 0 0.0% 24.9%
    U.S. Virgin Islands - - 63.7% - - iii.7% - - 32.7%
    Utah 1 25.0% 14.8% 3 75.0% 49.6% 0 0.0% 35.half-dozen%
    W Virginia 0 0.0% 35.5% 3 100.0% 37.8% 0 0.0% 26.6%
    Wyoming 0 0.0% 16.5% ane 100.0% 69.eight% 0 0.0% 13.six%
    Total 146 58.two% 39.half-dozen% 104 41.4% 29.two% 0 0.0% 31.2%

    Presidential pop vote

    The table beneath compares partisan affiliation figures in the 31 states that report voter registration data with the popular vote for president in the 2020 presidential election.

    Voter registration figures by partisan affiliation and presidential pop vote figures, as of June 2021
    State Democratic Republican Other[38]
    Raw pop vote % popular vote Registration % Raw pop vote % popular vote Registration % Raw popular vote % popular vote Registration %
    Alaska 153,778 42.viii% 13.6% 189,951 52.eight% 24.nine% xv,801 iv.iv% 61.6%
    Arizona 1,672,143 49.4% 31.7% i,661,686 49.1% 34.1% 53,497 1.6% 34.ii%
    Arkansas 423,932 34.viii% 5.1% 760,647 62.4% six.half-dozen% 34,490 2.8% 88.2%
    California 11,110,250 63.5% 46.three% 6,006,429 34.3% 24.one% 384,202 2.2% 29.6%
    Colorado 1,804,352 55.4% 29.0% 1,364,607 41.9% 25.nine% 87,993 ii.7% 45.1%
    Connecticut 1,080,831 59.3% 37.0% 714,717 39.2% twenty.4% 28,309 one.6% 42.7%
    Delaware 296,268 58.7% 47.8% 200,603 39.8% 28.0% 7,475 1.5% 24.3%
    District of Columbia 317,323 94.5% 76.6% 18,586 5.five% 5.6% 0 0.0% 17.viii%
    Florida five,297,045 47.9% 36.3% 5,668,731 51.2% 35.7% 101,680 0.9% 28.ane%
    Idaho 287,021 33.1% 13.nine% 554,119 63.8% 53.3% 26,874 3.one% 32.8%
    Iowa 759,061 44.9% 32.half dozen% 897,672 53.1% 33.6% 34,138 two.0% 17.eight%
    Kansas 570,323 41.half dozen% 36.3% 771,406 56.2% 35.7% 30,574 two.2% 28.i%
    Kentucky 772,474 36.2% 46.4% one,326,646 62.1% 44.ii% 37,648 one.viii% ix.4%
    Louisiana 856,034 39.9% forty.3% 1,255,776 58.5% 33.2% 36,252 1.7% 26.half dozen%
    Maine 435,072 53.1% 35.7% 360,737 44.0% 28.3% 23,652 2.9% 36.0%
    Maryland 1,985,023 65.4% 55.1% 976,414 32.two% 24.vii% 75,593 2.5% 20.ii%
    Massachusetts 2,382,202 65.6% 31.vi% 1,167,202 32.1% 9.7% 81,998 two.three% 58.7%
    Nebraska 374,583 39.four% 29.0% 556,846 58.v% 47.ix% xx,283 two.1% 23.ii%
    Nevada 703,486 50.1% 35.5% 669,890 47.7% 30.half-dozen% 32,000 ii.3% 33.9%
    New Hampshire 424,937 52.7% 31.3% 365,660 45.4% 29.half dozen% 15,608 ane.9% 39.one%
    New Jersey two,608,335 57.3% 39.one% ane,883,274 41.4% 22.4% 57,744 1.3% 38.5%
    New Mexico 501,614 54.3% 44.9% 401,894 43.5% 31.1% 20,457 2.ii% 24.0%
    New York 5,230,985 60.9% 50.4% 3,244,798 37.eight% 21.8% 119,043 1.four% 27.9%
    North Carolina ii,684,292 48.6% 35.1% ii,758,775 49.9% 30.5% 81,737 1.5% 34.iv%
    Oklahoma 503,890 32.3% 32.2% one,020,280 65.4% 50.7% 36,529 ii.iii% 17.1%
    Oregon 1,340,383 56.five% 35.3% 958,448 40.iv% 25.ane% 75,490 three.ii% 39.vi%
    Pennsylvania 3,458,229 50.0% 46.3% 3,377,674 48.8% 39.ii% 79,380 ane.ane% 14.5%
    Rhode Island 307,486 59.4% 42.8% 199,922 38.6% 14.1% 10,349 2.0% 43.ane%
    Southward Dakota 150,471 35.half-dozen% 27.0% 261,043 61.8% 48.i% xi,095 2.6% 24.nine%
    U.S. Virgin Islands - - 63.7% - - 3.vii% - - 32.seven%
    Utah 560,282 37.half dozen% 14.viii% 865,140 58.ane% 49.six% 62,867 iv.2% 35.6%
    West Virginia 235,984 29.7% 35.5% 545,382 68.6% 37.8% 13,286 i.7% 26.half dozen%
    Wyoming 73,491 26.4% 16.v% 193,559 69.v% 69.8% eleven,453 4.1% 13.6%
    Total 49,361,580 53.5% 39.6% 41,198,514 44.seven% 29.ii% 1,708,047 1.ix% 31.2%

    State legislative trifectas and legislative sleeping room control

    The table below compares partisan amalgamation figures in the 31 states that let voters to betoken partisan amalgamation on their voter registration forms with the presence of trifectas and the partisan command of legislative chambers. A state government trifecta is a term to depict unmarried party government, when one political party holds iii positions in a state'southward regime

    Voter registration figures by trifecta status, partisan affiliation, and partisan command of legislative chambers, June 2021
    Country Governor's party Trifecta? Democratic Republican Other[39]
    Registration % # of chambers Registration % # of chambers Registration % # of chambers
    Alaska Republican No thirteen.6% 0 24.ix% 1 61.6% one
    Arizona Republican Yes 31.7% 0 34.1% two 34.2% 0
    Arkansas Republican Yep v.1% 0 6.6% 2 88.ii% 0
    California Democrat Yeah 46.3% 2 24.ane% 0 29.half-dozen% 0
    Colorado Democrat Aye 29.0% 2 25.9% 0 45.1% 0
    Connecticut Democrat Yep 37.0% 2 xx.4% 0 42.seven% 0
    Delaware Democrat Yeah 47.eight% 2 28.0% 0 24.3% 0
    Commune of Columbia - - 76.6% - 5.six% - 17.8% -
    Florida Republican Yes 36.3% 0 35.7% 2 28.1% 0
    Idaho Republican Yep 13.9% 0 53.3% 2 32.viii% 0
    Iowa Republican Yes 32.six% 0 33.6% 2 17.8% 0
    Kansas Democrat No 36.3% 0 35.7% 2 28.1% 0
    Kentucky Democrat No 46.iv% 0 44.2% 2 9.four% 0
    Louisiana Democrat No 40.iii% 0 33.2% 2 26.6% 0
    Maine Democrat Yes 35.7% 2 28.3% 0 36.0% 0
    Maryland Republican No 55.1% 2 24.7% 0 20.ii% 0
    Massachusetts Republican No 31.vi% 2 nine.7% 0 58.7% 0
    Nebraska Republican Yes 29.0% 0 47.ix% 1 23.2% 0
    Nevada Democrat Aye 35.5% 2 30.half-dozen% 0 33.9% 0
    New Hampshire Republican Yes 31.3% 0 29.6% 2 39.ane% 0
    New Jersey Democrat Yes 39.1% 2 22.4% 0 38.5% 0
    New Mexico Democrat Yep 44.9% ii 31.1% 0 24.0% 0
    New York Democrat Yeah 50.4% 2 21.viii% 0 27.nine% 0
    North Carolina Democrat No 35.1% 0 xxx.v% 2 34.4% 0
    Oklahoma Republican Yes 32.two% 0 50.7% 2 17.one% 0
    Oregon Democrat Yes 35.3% 2 25.1% 0 39.6% 0
    Pennsylvania Democrat No 46.3% 0 39.2% 2 xiv.5% 0
    Rhode Island Democrat Yes 42.8% 2 14.1% 0 43.1% 0
    S Dakota Republican Aye 27.0% 0 48.1% ii 24.9% 0
    U.S. Virgin Islands - - 63.vii% - 3.vii% - 32.seven% -
    Utah Republican Aye 14.8% 0 49.6% 2 35.half-dozen% 0
    West Virginia Republican Yes 35.5% 0 37.viii% 2 26.6% 0
    Wyoming Republican Aye xvi.5% 0 69.8% two xiii.6% 0
    Total 39.vi% 26 29.2% 34 31.2% ane

    Historical data

    The tables beneath provide historical information about voter registration by partisan affiliation. Click "[bear witness]" on the righthand side of the tabular array header to see consummate information.[40] [41] [42] [43] [44] [45] [46] [47] [48] [49]

    2017

    2016

    2014

    2012

    2010

    2008

    2006

    2004

    2002

    2000

    See also

    • Voter registration

    External links

    • Ballot Admission News
    • U.S. Ballot Assistance Commission, "National Mail Voter Registration Grade"

    Footnotes

    1. A cell with - means the state did not list political party amalgamation data for that party in the source institute by Ballotpedia
    2. This category includes figures if listed as "Other" on the official source institute past Ballotpedia. It also includes any additional registration categories non listed in the columns to the left.
    3. Source
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    30. Source
    31. Source
    32. Source
    33. Source
    34. Source
    35. Source
    36. This category includes all non-major party registrations besides as vacant seats.
    37. This category includes all non-major party registrations.
    38. This category includes all non-major party registrations.
    39. This category includes all non-major party registrations.
    40. Election Access News, "August 2017 Print Edition," August 1, 2017
    41. Election Access News, "December 2016 Print Edition," Dec 1, 2016
    42. Election Admission News, "December 2014 Print Edition," Dec one, 2014
    43. Election Access News, 'December 2012 Print Edition," Dec one, 2012
    44. Ballot Admission News, 'Dec 2010 Impress Edition," December one, 2010
    45. Election Access News, "December 2008 Print Edition," December 1, 2008
    46. Ballot Admission News, "January 2007 Print Edition," January ane, 2007
    47. Ballot Access News, "December 2004 Print Edition," Dec 12, 2004
    48. Ballot Access News, "December 2002 Print Edition," December 1, 2002
    49. Election Access News, "Dec 2000 Print Edition," December 5, 2000