99chambers

New Mexico State Senate seat · lines in effect since 2022

New Mexico Senate District 12

A district of about 45,000 people, 41% Hispanic, 34% of adults with a bachelor's degree. It votes in line with the nation for president.

Jay Block (R) · since Nov 5, 2024Next election Nov 7, 2028

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.

Even28th most
Democratic
Most DemocraticMost Republican22nd seat · the majority lineDistrict 12

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.

201820202024
U.S. SenateD+10.8R+8.1R+4.7
GovernorD+2.0No raceNo 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 12.

Adults with a bachelor's degree34% 63rd pct · 16th of 42 in NM

Higher than 63% of seats.

White adults without a degree31% 78th pct · 10th of 42 in NM

Higher than 78% of seats.

Hispanic residents41% 32nd pct · 29th of 42 in NM

Lower than 68% of seats.

Black residents2% 73rd pct · 12th of 42 in NM

Higher than 73% of seats.

Asian residents2% 61st pct · 17th of 42 in NM

Higher than 61% of seats.

People per square mile3,126 83rd pct · 8th of 42 in NM

Denser than 83% 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 20
35% Hispanic · 40% college gradsD+18.8Not up in 2026District 40
44% Hispanic · 34% college gradsR+3.4Not up in 2026District 9
43% Hispanic · 39% college gradsD+16.5Not 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