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South Dakota State House — District 18

General Election November 3, 2026 · 5 candidates filed · 5 active
The Race

5 candidates filed for the 2026 State House election in South Dakota District 18. General election on Nov 3, 2026.

Primary
—
General
Nov 3, 2026
Candidates
5 active / 5 filed
Total Raised
$48K
Outside Spending
—
Total Spent
$27K
Cash on Hand
$43K
Incumbent
—
Candidate Fundraising
Mike StevensR
Raised
$28K
Cash
$36K
John R. MarquardtR
Raised
$15K
Cash
$3K
Karen SpringerD
Raised
$4K
Cash
$3K
Jarod HolcombD
Raised
$450
Cash
$450
District
Population
907,428
Median HH Income
$75K
Unemployment
2.9%
Bachelor's+
31.9%
Veterans
7.9%
Median Age
38.0
Mean HH Income
$99K
Poverty Rate
11.9%
HS or Higher
93.2%
Median Home Value
$257K
Median Rent
$946/mo
Owner-Occupied
68.6%
Under 18 / 65+
24.2% / 18.0%