Iowa State Senate seat · lines in effect since 2022
Iowa Senate District 50
A district of about 63,000 people, 23% of adults with a bachelor's degree. It votes R+16.2 relative to the nation for president.
2024 election
Nov 5, 2024- Jeff Reichman (R) · won58.4%
- Nannette Griffin (D)41.4%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 50 seats
Every Iowa 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 1970; the seat changed party 1 time. 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 | Jeff Reichman (R) | Nannette Griffin (D) | 17.0 |
| Lines first used in 2012 | |||
| 2020 | Pam Jochum (D) | Jennifer Smith (R) | 17.4 |
| 2016 | Pam Jochum (D) | John Hulsizer Jr. (R) | 26.6 |
| 2012 | Pam Jochum (D) | William Johnson (R) | 36.0 |
| Lines first used in 2002 | |||
| 2008 | Michael E. Gronstal (D) | Mark A. Brandenburg (R) | 15.7 |
| 2004 | Michael E. Gronstal (D) | Loren Knauss (R) | 9.0 |
| Lines first used in 1992 | |||
| 2000 | Eugene Fraise (D) | — | Unopposed |
| 1996 | Eugene Fraise (D) | Mike Fesler (R) | 12.9 |
| 1992 | Eugene Fraise (D) | Mark R. Hagerla (R) | 10.5 |
| Lines first used in 1982 | |||
| 1988 | Michael E. Gronstal (D) | Arminda S. Hartman (R) | 17.9 |
| 1984 | Michael E. Gronstal (D) | Carroll Jackson (R) | 9.7 |
| Lines first used in 1972 | |||
| 1980 | Tom Slater (D) | Jim Griffin (R) | 0.9 |
| 1976 | Tom Slater (D)Flip | Jim Griffin (R) | 9.6 |
| 1972 | Jim Griffin (R) | John P. Ryan (D) | 22.4 |
| Lines first used in 1962 | |||
| 1970 | Wilson L. Davis (R) | Adrian Brinck (D) | 4.7 |
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 50
The state's districts in other chambers that share residents with this one, and the share of District 50's area in each.
- U.S. House
- IA-1 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | R+6.5 |
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 50 seats. Small marks are other seats in Iowa. The black marker is District 50.
Lower than 73% of seats.
Higher than 76% of seats.
Lower than 76% of seats.
Higher than 69% of seats.
Lower than 71% of seats.
Denser than 55% 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. 1 of the 4 flipped this year.
District 3524% college gradsR+19.6Flipped RDistrict 30
24% college gradsR+16.9Not up in 2026District 41
27% college gradsR+9.6Held RDistrict 33
25% college gradsR+27.5Held R
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