2018Final results
2018 election for Missouri's 2nd District
U.S. House · Missouri
Ann Wagner (R) won with 51.2% of the vote, defeating Cort Vanostran (D) by 4.0 points.
Ann WagnerRepublican · winner
51.2%192,477
Cort VanostranDemocrat
47.2%177,611
Larry A. KirkLibertarian
1.1%4,229
David Justus ArnoldGreen
0.5%1,740
376,066 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Cort VanostranAnn Wagner
$2.3M
Raised by the campaign
$3.1M
$2.3M
Spent by the campaign
$4.2M
$216
Cash on hand
$1M
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Ann Wagner (R)Cort Vanostran (D)
Also on the ballot: Larry A. Kirk (Libertarian), 1.1%; David Justus Arnold (Green), 0.5%