Kansas State Senate seat · lines in effect since 2022

Kansas Senate District 28

A district of about 74,000 people, 20% Hispanic, 15% of adults with a bachelor's degree. It votes R+17.4 relative to the nation for president.

2024 election

Nov 5, 2024
  1. Mike Petersen (R) · won100.0%

Unopposed.

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET

Where it sits among all 40 seats

Every Kansas State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+17.421st most
Democratic
Most DemocraticMost Republican21st seat · the majority lineDistrict 28

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every election for this seat

15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Mike Petersen (R)—Unopposed
Lines first used in 2012
2020Mike Petersen (R)Jim Ward (D)7.4
2016Mike Petersen (R)Keith Humphrey (D)2.9
2012Mike Petersen (R)Keith Humphrey (D)5.4
Lines first used in 2002
2008Mike Petersen (R)Shala Perez (D)8.4
2004Mike Petersen (R)Henry Helgerson (D)15.3
Lines first used in 1992
2000Paul Feleciano Jr. (D)Bill Gale (R)4.0
1996Paul Feleciano Jr. (D)Mark S. Gietzen (R)9.0
1992Paul Feleciano Jr. (D)Mark S. Gietzen (R)6.0
Lines first used in 1982
1988Paul Feleciano Jr. (D)Mark S. Gietzen (R)11.1
1984Paul Feleciano Jr. (D)Edith Hinderliter (R)36.6
Lines first used in 1972
1980Paul Feleciano Jr. (D)Mike Flowers (R)5.8
1976Paul Feleciano Jr. (D)—Unopposed
1972Robert B. Madden (D)Clark V. Owens II (R)9.4
Lines first used in 1962
1968J. C. Tillotson (R)Vernon Hill (D)4.3

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 28

The state's districts in other chambers that share residents with this one, and the share of District 28's area in each.

U.S. House
KS-4 100%
Kansas House of Representatives
HD-81 31%, HD-98 30%, HD-96 19%, HD-97 13%, HD-82 7%

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2020
PresidentR+16.4
U.S. SenateR+10.6

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET

Who lives here, compared

Grey bars show the spread of all 40 seats. Small marks are other seats in Kansas. The black marker is District 28.

Adults with a bachelor's degree15% 0th pct · 40th of 40 in KS

Lowest of 40 seats.

White adults without a degree58% 69th pct · 13th of 40 in KS

Higher than 69% of seats.

Hispanic residents20% 85th pct · 7th of 40 in KS

Higher than 85% of seats.

Black residents6% 69th pct · 13th of 40 in KS

Higher than 69% of seats.

Asian residents4% 79th pct · 9th of 40 in KS

Higher than 79% of seats.

People per square mile1,660 82nd pct · 8th of 40 in KS

Denser than 82% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET