Closest U.S. Senate elections in Minnesota

The tightest U.S. Senate races Minnesota has held, ranked by the margin between the top two candidates.

The closest U.S. Senate election in Minnesota history was in 2008, a margin of 0.01 points. Al Franken beat Norm Coleman, 1,212,629 to 1,212,317. Next closest are 1924 (0.95 points) and 1930 (1.5 points).

Every state is ranked together on Closest U.S. Senate elections in history. For every Senate race Minnesota has held, special elections included, see the Minnesota U.S. Senate hub.

What is the closest Senate race in Minnesota history?

The Minnesota Senate election decided by the narrowest margin was in 2008, 0.01 points. Al Franken beat Norm Coleman, 1,212,629 to 1,212,317. The next closest were 1924 (0.95 points) and 1930 (1.5 points).

How is the margin measured?

As the gap in vote share between the first and second-place finishers, from the certified general-election count. It is not adjusted for recounts, runoffs or later court rulings; the figure is the result as certified.

Does this include special elections?

No. These are the regular general elections for Minnesota’s two Senate seats. Special elections to fill a vacancy appear on the Minnesota Senate hub, which lists every race including specials, and in a few states one of those is closer than anything here.

Why does the list start in 1914?

Because senators were chosen by state legislatures before the Seventeenth Amendment. 1914 is the first cycle of the popular-vote era for the Senate, so it is the first Minnesota election with a popular margin to measure.

Closest U.S. Senate elections in Minnesota
#ElectionResultVotesMargin
12008Al Franken D def. Norm Coleman R1,212,629 – 1,212,3170.01 points
21924Thomas D. Schull R def. Magnus Johnson F388,594 – 380,6460.95 points
31930Thomas D. Schall R def. Einar Hoidale D293,626 – 282,0181.5 points
42002Norm Coleman R def. Walter Mondale D1,116,697 – 1,067,2462.2 points
51990Paul David Wellstone D def. Rudy Boschwitz R911,999 – 864,3752.6 points
61994Rod Grams R def. Ann Wynia D869,653 – 781,8604.9 points
72020Tina Smith D def. Jason Lewis R1,566,522 – 1,398,1455.2 points
82000Mark Dayton D def. Rod Grams R1,181,553 – 1,047,4745.5 points
91982David Durenberger R def. Mark Dayton D949,207 – 840,4016.0 points
101958Eugene J. McCarthy F def. Edward J. Thye R608,847 – 535,6296.4 points
111966Walter Mondale D def. Robert A. Forsythe R685,840 – 574,8688.7 points
121996Paul David Wellstone D def. Rudy Boschwitz R1,098,430 – 901,1949.0 points
132014Al Franken D def. Mike McFadden R1,053,205 – 850,22710.2 points
141922Henrik Shipstead F def. Frank B. Kellogg R325,372 – 241,83312.1 points
151972Walter Mondale F def. Phil Hansen R981,320 – 742,12113.8 points
161952Edward J. Thye R def. William E. Carlson F785,649 – 590,01114.1 points
171954Hubert Humphrey D def. Val Bjornson R642,193 – 479,61914.3 points
181988David Durenberger R def. Hubert H. Skip Humphrey III D1,176,210 – 856,69415.3 points
191960Hubert Humphrey D def. P. Kenneth Peterson R884,168 – 648,58615.3 points
202024Amy Klobuchar D def. Royce White R1,792,441 – 1,291,71215.7 points
211970Hubert Humphrey D def. Clark McGregor R788,256 – 568,02516.1 points
221978Rudolph E. Boschwitz R def. Wendell Anderson D894,092 – 638,37516.2 points
231984Rudy Boschwitz R def. Joan Anderson Growe D1,199,926 – 852,84416.8 points
241916Frank B. Kellogg R def. Daniel W. Lawler D185,159 – 117,54117.7 points
251942Joseph H. Ball R def. Elmer A. Benson F356,297 – 213,99518.8 points

How this ranking is measured

U.S. Senate general elections in Minnesota, ranked by the smallest gap in vote share between the top two finishers, 1914 to the present, closest 25 shown. Served from the senate_race_margin materialized view. Special elections are excluded, and so is any contest where the top two did not draw at least 1,000 votes between them or where the recorded winner was not the vote leader. The national list of the closest Senate races anywhere applies a 50,000-vote floor, which is why a small early race can appear here and not there.

Compiled by PolitiFinder · published June 14, 2026 · sources: Data & sources · data last verified September 25, 2026.