New Mexico State Senate District 31

State Legislative District Profile (Upper Chamber)

Overview

District ID
nm-sd-031
State
New Mexico
Chamber
Upper chamber (state senate)
District Code
031
Land Area
203.7 sq mi
Water Area
0.37 sq mi

Boundary

Boundary of New Mexico State Senate District 31

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Doña Ana County194.90 sq mi95.7%5.1%
Otero County8.83 sq mi4.3%0.1%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Chaparral CDP47.58 sq mi23.4%80.6%
Sunland Park city11.22 sq mi5.5%76.1%
Santa Teresa CDP9.62 sq mi4.7%100.0%
La Union CDP4.14 sq mi2.0%100.0%
Anthony city2.70 sq mi1.3%100.0%
Las Cruces city0.21 sq mi0.1%0.3%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
NM District 251,414100.0%7.3%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
28,630
Active Voters
26,949 (94.1%)

Party Registration

PartyVotersShare
Democratic12,36943.2%
Republican6,17321.6%
Unaffiliated00.0%
Other parties6062.1%
No party recorded9,48233.1%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20263,726 (13.0%)0 (0.0%)0 (0.0%)
2023–202413,408 (46.8%)0 (0.0%)0 (0.0%)
2021–20227,295 (25.5%)0 (0.0%)0 (0.0%)
2019–202012,458 (43.5%)0 (0.0%)0 (0.0%)
2017–20187,802 (27.3%)0 (0.0%)0 (0.0%)
2015–20169,207 (32.2%)0 (0.0%)0 (0.0%)
2013–20143,816 (13.3%)0 (0.0%)0 (0.0%)
2011–20126,918 (24.2%)0 (0.0%)0 (0.0%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

Browse the voter list for this district (premium access; sign-in required)

Source: Civitech voter file snapshot as of 11/26/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
54,452 (± 2,117)
Median Age
33.0
Median Household Income
$53,090 (± $5,091)
High School Graduate or Higher (age 25+)
73.5%
Bachelor's Degree or Higher (age 25+)
20.5%

Population by Age

GroupPeopleShare
Under 1814,90127.4%
18 to 6431,53057.9%
65 and over8,02114.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)49,36590.7%
White, not Hispanic4,0247.4%
Black, not Hispanic2360.4%
Asian, not Hispanic820.2%
American Indian / Alaska Native, not Hispanic1270.2%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic460.1%
Two or more races, not Hispanic5721.1%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
47,104
Citizen Voting Age Population (CVAP)
32,517

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic4,86910.3%
Hispanic42,23589.7%
White3,9858.5%
Black2360.5%
Asian500.1%
American Indian / Alaska Native1270.3%
Native Hawaiian / Pacific Islander00.0%
Two or More Races00.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic4,25613.1%
Hispanic28,25986.9%
White3,55210.9%
Black3811.2%
Asian890.3%
American Indian / Alaska Native2450.8%
Native Hawaiian / Pacific Islander10.0%
Two or More Races00.0%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).