New Mexico State Senate seat · lines in effect since 2022
New Mexico Senate District 13
A district of about 52,000 people, 53% Hispanic, 43% of adults with a bachelor's degree. It votes D+42.8 relative to the nation for president.
2024 election
Nov 5, 2024- Debbie O'Malley (D) · won100.0%
Unopposed.
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 2 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 | Debbie O'Malley (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Bill B. Oneill (D)Flip | Michaela M. Chavez (R) | 28.8 |
| 2016 | Bill B. O""neill (OTH)Flip | Aubrey B. Dunn (R) | 31.8 |
| 2012 | Bill B. Oneill (D) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Dede Feldman (D) | — | Unopposed |
| 2004 | Dede Feldman (D) | — | Unopposed |
| Lines first used in 1992 | |||
| 2000 | Dede Feldman (D) | — | Unopposed |
| 1996 | Dede Feldman (D) | Bill Turner (R) | 38.5 |
| 1992 | Tito D. Chavez (D) | — | Unopposed |
| Lines first used in 1982 | |||
| 1988 | Tito D. Chavez (D) | — | Unopposed |
| 1984 | Tito D. Chavez (D) | Donald C. Lee (I) | 95.0 |
| Lines first used in 1972 | |||
| 1980 | Tito D. Chavez (D) | — | Unopposed |
| 1976 | Tito D. Chavez (D) | Bernardo P. Gallegos (R) | 40.6 |
| 1972 | Anthony A. Lucero (D) | Gilbert G. Aragon (R) | 21.6 |
| Lines first used in 1962 | |||
| 1970 | R. C. Morgan (D) | David E. Turner (R) | 14.1 |
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 13
The state's districts in other chambers that share residents with this one, and the share of District 13's area in each.
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+41.4 | No race | No race |
| U.S. Senate | No race | D+54.1 | D+39.0 |
| Governor | No race | D+50.9 | 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 13.
Higher than 83% of seats.
Lower than 73% of seats.
Higher than 61% of seats.
Higher than 76% of seats.
Higher than 88% of seats.
Denser than 80% 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 1049% Hispanic · 46% college gradsD+26.5Not up in 2026District 24
61% Hispanic · 36% college gradsD+54.2Not up in 2026District 16
37% Hispanic · 47% college gradsD+55.5Not up in 2026District 18
36% Hispanic · 44% college gradsD+22.2Not 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