New Mexico State Senate seat · lines in effect since 2022
New Mexico Senate District 15
A district of about 49,000 people, 38% Hispanic, 38% of adults with a bachelor's degree. It votes D+24.7 relative to the nation for president.
2024 election
Nov 5, 2024- Heather Berghmans (D) · won60.7%
- Craig Degenhardt (R)39.3%
Source: New Mexico Secretary of StateUpdated Oct 1, 2026, 6:08 AM ET
Where it sits among all 42 seats
Every New Mexico State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
15 races since 1970; the seat changed party 3 times. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Heather Berghmans (D) | Craig Degenhardt (R) | 21.4 |
| Lines first used in 2012 | |||
| 2020 | Daniel A. Ivey-Soto (D) | Sandra B. Rausch (R) | 20.1 |
| 2016 | Daniel A. Ivey-Soto (D) | Eric Lyon Burton (R) | 11.5 |
| 2012 | Daniel A. Ivey-Soto (D) | H. Diane Snyder (R) | 5.8 |
| Lines first used in 2002 | |||
| 2008 | Tim Eichenberg (D)Flip | H. Diane Snyder (R) | 13.0 |
| 2004 | H. Diane Snyder (R) | Chris Berkheimer (D) | 5.3 |
| Lines first used in 1992 | |||
| 2000 | H. Diane Snyder (R) | Andrew D. Mills (D) | 7.0 |
| 1996 | Larry S. Vernon (R) | Karen A. Durkovich (D) | 6.8 |
| 1992 | Larry S. Vernon (R) | John David Eder (D) | 28.3 |
| Lines first used in 1982 | |||
| 1988 | Larry S. Vernon (R) | Charles Ted Asbury (D) | 8.5 |
| 1984 | Larry S. Vernon (R) | John M. Radosevich (D) | 16.4 |
| Lines first used in 1972 | |||
| 1980 | Thomas E. Lewis (R)Flip | John M. Radosevich (D) | 5.3 |
| 1976 | Edmund J. Lang (D)Flip | James S. Peironnet Jr. (R) | 6.0 |
| 1972 | James S. Peironnet Jr. (R) | Jack N. Moise (D) | 4.2 |
| Lines first used in 1962 | |||
| 1970 | Adan Rivera (D) | Ernest Hawkins (R) | 0.9 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 15
The state's districts in other chambers that share residents with this one, and the share of District 15's area in each.
- U.S. House
- NM-1 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2016 | 2018 | 2020 | |
|---|---|---|---|
| President | D+15.3 | No race | No race |
| U.S. Senate | No race | D+31.5 | D+16.6 |
| Governor | No race | D+22.7 | No race |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 42 seats. Small marks are other seats in New Mexico. The black marker is District 15.
Higher than 71% of seats.
Higher than 63% of seats.
Lower than 71% of seats.
Higher than 95% of seats.
Higher than 83% of seats.
Denser than 90% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 2035% Hispanic · 40% college gradsD+18.8Not up in 2026District 18
36% Hispanic · 44% college gradsD+22.2Not up in 2026District 23
52% Hispanic · 40% college gradsD+12.7Not up in 2026District 10
49% Hispanic · 46% college gradsD+26.5Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET