Joni K Ernst
Republican
Undefeated: 3-0 career record
US SenateState Senate
Electoral Grade
B
+7.8 pts
avg overperformance
Better than 54% of candidates2 graded races
Overperformance vs. state presidential baseline. Incumbents held to a higher bar: Senate/Gov −3 pts, House −2 pts.
3
Races
3-0
W-L (100%)
-38.0
Avg Margin
2012–2020
Career Span
Best: +-6.6 (2020 Senate)Worst: -99.1 (2012 State Senate)
Career Margin Trend3 races
Career Timeline
864,997
Candidate Votes
51.8%
Vote %
1,670,617
Total Votes
-6.6%
Margin
Electoral Performance
+1.4
Race Score
-1.6
vs. Natl. Baseline
D-8.2
State Pres.