Elections iconElection Statistics Data

Monthly Totals

Note: These figures do not include registered voters affiliated with parties who have not achieved major party status as determined by state law. These figures do not include voter registrations that have been received by county election officials but not yet processed. The information above is subject to changes with individual voter registration changes.

Monthly Voter Registration Totals
Date Republican Democratic Libertarian Unaffiliated Total
01/2021 874,555 509,955 21,178 536,468 1,942,156
02/2021 871,817 508,808 21,297 537,698 1,939,620
03/2021 857,940 500,483 20,810 527,672 1,906,905
04/2021 856,396 499,835 20,841 528,425 1,905,497
05/2021 856,026 499,699 20,925 530,240 1,906,890
06/2021 855,102 499,319 20,981 531,433 1,906,835
07/2021 853,355 497,856 20,957 530,954 1,903,122
08/2021 853,188 497,603 21,009 532,866 1,904,666
09/2021 852,648 497,603 21,091 535,845 1,907,187

County Totals

Note: These figures do not include registered voters affiliated with parties who have not achieved major party status as determined by state law. These figures do not include voter registrations that have been received by county election officials but not yet processed. The information above is subject to changes with individual voter registration changes.

Note: K.S.A. 25-433 defines an inactive voter as a registered voter who, based on information provided by the postal service, appears to have moved to a residence address outside the county in which the voter is currently registered and who has been mailed a confirmation notice as described in subparagraph (4) of subsection (e) of K.S.A. 25-2316c, and amendments thereto, or because a "Forwarding Order Expired" or "Moved — No Forwarding Address" notice was received from the post office.

June 2021 Voter Registration Numbers by County

June 2021 Inactive Registrants by County

June 2021 Percentage of Inactive Voters by County

July 2021 Voter Registration Numbers by County

July 2021 Percentage of Inactive Voters by County

August 2021 Voter Registration Numbers by County

August 2021 Percentage of Inactive Voters by County

September 2021 Voter Registration Numbers by County

September 2021 Percentage of Inactive Voters by County

Yearly Totals

Note: These figures do not include registered voters affiliated with parties who have not achieved major party status as determined by state law. These figures do not include voter registrations that have been received by county election officials but not yet processed. The information above is subject to changes with individual voter registration changes.

Affiliated Voters by Party
Year Republican Democratic Libertarian Unaffiliated
2010 766,422 460,243 10,088 486,979
2012 790,345 446,237 11,373 522,096
2014 777,771 426,970 12,993 527,132
2016 807,912 450,265 15,556 544,194
2018 817,713 463,114 17,618 543,403
2020 872,514 512,260 20,825 531,856

Note: These figures do not include registered voters affiliated with parties who have not achieved major party status as determined by state law. These figures do not include voter registrations that have been received by county election officials but not yet processed. The information above is subject to changes with individual voter registration changes.

Registered Voters
Year Registered Voters
2010 1,725,012
2012 1,771,252
2014 1,744,866
2016 1,817,920
2018 1,841,776
2020 1,937,455
General Election Turnout
Year Registered Voters Participating Voters Non-Participating Voters Turnout
2010 1,725,012 857,631 867,381 49.7%
2012 1,771,252 1,182,771 588,481 66.8%
2014 1,774,866 887,023 857,843 50.8%
2016 1,817,920 1,225,667 592,253 67.4%
2018 1,841,776 1,039,085 802,691 56.4%
2020 1,938,560 1,375,125 563,435 70.9%
Primary Election Turnout
Year Registered Voters Participating Voters Non-Participating Voters Turnout
2010 1,706,900 429,344 1,277,556 25.2%
2012 1,719,469 398,367 1,321,102 23.2%
2014 1,735,395 350,699 1,384,696 20.2%
2016 1,749,640 386,527 1,363,113 23.5%
2018 1,801,023 457,598 1,343,425 27.1%
2020 1,861,264 636,032 1,225,232 34.2%
General Election - Ballot Type
2016 2018 2020
Advance by Mail Ballots 173,457 152,267 459,229
Advance In-Person Ballots 332,007 249,464 371,854
Election Day Ballots 720,203 637,354 544,042
Total 1,225,667 1,039,085 1,375,125

Note: Kansas historically has a higher percentage of provisional ballots compared to all ballots cast than other states because Kansas state law allows a provisional ballot to be cast for any reason.

Note: K.S.A. 25-409 and -414 require the election judge to issue to any person offering to vote, whom the judge shall suspect not to be qualified as an elector a provisional ballot. Reasons can include voter not on registration list, voter name change, voter change of address, voter offered to vote in person after requesting an advance mail ballot, and others.

Provisional Ballots Cast - General Election
2016 2018 2020
40,872 29,043 45,671
Primary Election - Ballot Type
2016 2018 2020
Advance by Mail Ballots 36,532 30,169 261,180
Advance In-Person Ballots 28,452 40,406 51,664
Election Day Ballots 321,537 387,023 323,188
Total 386,521 457,598 636,032

Note: Kansas historically has a higher percentage of provisional ballots compared to all ballots cast than other states because Kansas state law allows a provisional ballot to be cast for any reason.

Note: K.S.A. 25-409 and -414 require the election judge to issue to any person offering to vote, whom the judge shall suspect not to be qualified as an elector a provisional ballot. Reasons can include voter not on registration list, voter name change, voter change of address, voter offered to vote in person after requesting an advance mail ballot, and others.

Provisional Ballots Cast - Primary Election
2016 2018 2020
9,246 9,662 16,037

Advance In-Person

Advance In-Person Ballots
Year Primary Election General Election
2016 45,663 332,007
2018 59,280 249,464
2020 50,635 371,854

Note: 2020 was the first election cycle where advance ballots (in-person and mail ballot) were tracked by party affiliation.

Ballots by Party - General Election
Year Republican Democratic Libertarian Unaffiliated Total Cast
2020 211,142 81,934 3,489 75,288 371,853

Note: 2020 was the first election cycle where advance ballots (in-person and mail ballot) were tracked by party affiliation.

Ballots by Party - Primary Election
Year Republican Democratic Libertarian Unaffiliated Total Cast
2020 38,898 10,390 9 1,338 50,635

Advance By Mail - Total

Note: Kansas law has allowed voters to request an advance by mail ballot without requiring a reason since 1996. Voters with a permanent illness or disability may request permanent advance by mail ballot status by contacting their county election office.

General Election Advance by Mail Ballot Sent
Year Total Sent Returned Ballots Unreturned Ballots Return Rate
2016 202,138 173,457 28,681 85.8%
2018 194,505 152,267 42,238 78.2%
2020 509,486 459,229 50,257 90.1%

Note: Kansas law has allowed voters to request an advance by mail ballot without requiring a reason since 1996. Voters with a permanent illness or disability may request permanent advance by mail ballot status by contacting their county election office.

Primary Election Advance by Mail Ballot Sent
Year Total Sent Returned Ballots Unreturned Ballots Return Rate
2016 54,302 36,532 17,770 67.3%
2018 51,455 30,169 21,286 58.6%
2020 315,095 261,182 53,913 82.9%

Advance By Mail - Party

Note: 2020 was the first election cycle where advance ballots (in-person and mail ballot) were tracked by party affiliation.

General Election Ballots by Party - Sent
Year Republican Democratic Libertarian Unaffiliated Total
2020 191,395 231,598 2,627 83,721 509,341
General Election Ballots by Party - Returned
Year Republican Democratic Libertarian Unaffiliated Total
2020 173,978 211,799 2,164 71,283 459,224

Note: 2020 was the first election cycle where advance ballots (in-person and mail ballot) were tracked by party affiliation.

Primary Election Ballots by Party - Sent
Year Republican Democratic Libertarian Unaffiliated Total
2020 155,518 157,385 39 2,137 315,079
Primary Election Ballots by Party - Returned
Year Republican Democratic Libertarian Unaffiliated Total
2020 130,999 129,406 14 763 261,182