Kansas State Senate seat · lines in effect since 2022
Kansas Senate District 21
A district of about 65,000 people, 50% of adults with a bachelor's degree. It votes D+20.6 relative to the nation for president.
2024 election
Nov 5, 2024- Dinah Sykes (D) · 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.
Democratic
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; the seat changed party 3 times. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Dinah Sykes (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Dinah Sykes (D)Flip | Tom Bickimer (R) | 9.6 |
| 2016 | Dinah Sykes (R) | Logan Heley (D) | 7.9 |
| 2012 | Greg A. Smith (R) | Juanita Roy (D) | 6.3 |
| Lines first used in 2002 | |||
| 2008 | Mark Taddiken (R) | Thomas Hochard (D) | 58.3 |
| 2004 | Mark Taddiken (R) | — | Unopposed |
| Lines first used in 1992 | |||
| 2000 | Mark Taddiken (R) | David Avery Norlin (D) | 41.1 |
| 1996 | Janice Hardenburger (R) | — | Unopposed |
| 1992 | Janice Hardenburger (R) | D. Eric Stonecipher (D) | 0.2 |
| Lines first used in 1982 | |||
| 1988 | Don Montgomery (R) | Steve Boyda (D) | 15.1 |
| 1984 | Don Montgomery (R) | Jan Bergman (D) | 29.9 |
| Lines first used in 1972 | |||
| 1980 | Don Montgomery (R)Flip | Larry Rogers (D) | 17.2 |
| 1976 | Larry Rogers (D)Flip | Leslie A. Droge (R) | 0.4 |
| 1972 | Leslie A. Droge (R) | — | Unopposed |
| Lines first used in 1962 | |||
| 1968 | Richard J. Williams (R) | Lloyd C. Shanline (D) | 8.6 |
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 21
The state's districts in other chambers that share residents with this one, and the share of District 21's area in each.
- U.S. House
- KS-3 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2016 | |
|---|---|
| President | D+8.1 |
| U.S. Senate | R+4.6 |
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 21.
Higher than 85% of seats.
Lower than 82% of seats.
Higher than 74% of seats.
Higher than 85% of seats.
Higher than 74% of seats.
Denser than 90% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 862% college gradsD+20.6Not up in 2026District 10
57% college gradsD+2.1Not up in 2026District 23
47% college gradsR+2.3Not up in 2026District 22
49% college gradsD+2.5Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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