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.

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.

D+24.710th most
Democratic
Most DemocraticMost Republican22nd seat · the majority lineDistrict 15

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 race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20182020
U.S. SenateD+31.5D+16.6
GovernorD+22.7No 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 7, 2026, 3:01 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.

Adults with a bachelor's degree38% 71st pct · 13th of 42 in NM

Higher than 71% of seats.

White adults without a degree26% 63rd pct · 16th of 42 in NM

Higher than 63% of seats.

Hispanic residents38% 29th pct · 30th of 42 in NM

Lower than 71% of seats.

Black residents4% 95th pct · 3rd of 42 in NM

Higher than 95% of seats.

Asian residents2% 83rd pct · 8th of 42 in NM

Higher than 83% of seats.

People per square mile4,305 90th pct · 5th of 42 in NM

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