2018Final results
2018 election for U.S. Senate in New Mexico
U.S. Senate · New Mexico
Martin Heinrich (D) won with 54.1% of the vote, defeating Mick Rich (R) by 23.6 points.
Martin HeinrichDemocrat · winner
54.1%376,998
Mick RichRepublican
30.5%212,813
Gary E. JohnsonLibertarian
15.4%107,201
697,012 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.
Martin HeinrichMick Rich
$6.4M
Raised by the campaign
$968.9K
$7.3M
Spent by the campaign
$967.6K
$655K
Cash on hand
$1.3K
Other candidates' campaigns: Gary E. Johnson $396K.
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018