1990Final results

1990 election for South Dakota's at-large District

Name: 1990 election for South Dakota's at-large District
Start: 1990-11-06
Location: South Dakota

U.S. House · South Dakota

Tim Johnson (D) won with 67.6% of the vote, defeating Don Frankenfeld (R) by 35.1 points.

Tim JohnsonDemocrat · winner

67.6%173,814

32.4%83,484

257,298 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 1990

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Each line compares the two campaigns on one scale.

Tim JohnsonDon Frankenfeld

$516.8K

Raised by the campaign

$213.1K

$463.6K

Spent by the campaign

$211.6K

$104.6K

Cash on hand

$1.5K

Campaign money: FEC, through Dec 31, 1990.

Source: FEC campaign filingsUpdated Dec 31, 1990