North Dakota State Senate seat · lines in effect since 2024
North Dakota Legislative District 12
A district of about 12,000 people, 24% of adults with a bachelor's degree. It votes R+38.3 relative to the nation for president.
2024 election
Nov 5, 2024- Cole Conley (R) · won66.8%
- Olivia Schloegel (D)33.0%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 47 seats
Every North Dakota 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 2 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 2024 | |||
| 2024 | Cole Conley (R) | Olivia Schloegel (D) | 33.8 |
| Lines first used in 2012 | |||
| 2020 | Cole Conley (R)Flip | John Grabinger (D) | 12.2 |
| 2016 | John Grabinger (D) | Katie Andersen (R) | 17.8 |
| 2012 | John Grabinger (D) | Bernie Satrom (R) | 1.9 |
| Lines first used in 2002 | |||
| 2008 | David E. Nething (R) | John Grabinger (D) | 0.1 |
| 2004 | David E. Nething (R) | George Barnes (D) | 3.4 |
| Lines first used in 1992 | |||
| 2000 | Mike Every (D) | Ronald B. Hofstrand (R) | 1.0 |
| 1996 | Vernon Thompson (D) | Ronald B. Hofstrand (R) | 12.2 |
| 1992 | Byron Langley (D) | James P. Wang (R) | 2.2 |
| Lines first used in 1982 | |||
| 1988 | Byron Langley (D) | Roderick Iverson (R) | 26.0 |
| 1984 | Byron Langley (D) | Joe Leibhan (R) | 10.7 |
| Lines first used in 1972 | |||
| 1980 | Joe Leibhan (R)Flip | Byron Langley (D) | 1.4 |
| 1976 | S. F. Hoffner (D) | Oscar Erie (R) | 36.1 |
| 1972 | S. F. Hoffner (D) | Ed Doherty (R) | 4.4 |
| Lines first used in 1962 | |||
| 1968 | William J. Thoreson (R) | Eugene Tuff (D) | 1.7 |
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 12
The state's districts in other chambers that share residents with this one, and the share of District 12's area in each.
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 | 2020 | |
|---|---|---|
| President | R+36.5 | R+37.1 |
| U.S. Senate | R+67.2 | No race |
| Governor | No race | R+47.9 |
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 47 seats. Small marks are other seats in North Dakota. The black marker is District 12.
Lower than 87% of seats.
Highest of 47 seats.
Higher than 59% of seats.
Higher than 59% of seats.
Lower than 83% of seats.
Less dense than 57% 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 2525% college gradsR+37.4CountingDistrict 15
25% college gradsR+43.0Held RDistrict 24
28% college gradsR+32.4Not up in 2026District 20
32% college gradsR+40.2Not 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