New Mexico State House District 66

State Legislative District Profile (Lower Chamber)

Overview

District ID
nm-hd-066
State
New Mexico
Chamber
Lower chamber
District Code
066
Land Area
4,710 sq mi
Water Area
14.6 sq mi

Boundary

Boundary of New Mexico State House District 66

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Lea County1766.21 sq mi37.5%40.2%
Chaves County1532.44 sq mi32.5%25.3%
Eddy County1411.39 sq mi30.0%33.8%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Carlsbad city18.46 sq mi0.4%58.3%
Lovington city7.97 sq mi0.2%71.2%
Atoka CDP6.76 sq mi0.1%100.0%
Happy Valley CDP1.87 sq mi<0.1%87.2%
Tatum town1.59 sq mi<0.1%100.0%
Roswell city1.20 sq mi<0.1%4.0%
Artesia city1.13 sq mi<0.1%10.0%
Loco Hills CDP0.86 sq mi<0.1%99.9%

Showing all 8 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 219,85564.4%2.8%26.1%
NM District 310,97735.6%1.6%73.9%

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

Voters

Registered Voters
16,607
Active Voters
15,627 (94.1%)

Party Registration

PartyVotersShare
Democratic3,75922.6%
Republican8,80153.0%
Unaffiliated00.0%
Other parties3312.0%
No party recorded3,71622.4%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20262,333 (14.0%)0 (0.0%)0 (0.0%)
2023–202410,420 (62.7%)0 (0.0%)0 (0.0%)
2021–20226,988 (42.1%)0 (0.0%)0 (0.0%)
2019–20208,889 (53.5%)0 (0.0%)0 (0.0%)
2017–20185,646 (34.0%)0 (0.0%)0 (0.0%)
2015–20166,655 (40.1%)0 (0.0%)0 (0.0%)
2013–20143,575 (21.5%)0 (0.0%)0 (0.0%)
2011–20125,660 (34.1%)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
28,648 (± 2,055)
Median Age
37.8
Median Household Income
$64,727 (± $11,240)
High School Graduate or Higher (age 25+)
78.5%
Bachelor's Degree or Higher (age 25+)
16.7%

Population by Age

GroupPeopleShare
Under 186,11221.3%
18 to 6418,58064.9%
65 and over3,95613.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)16,21156.6%
White, not Hispanic11,10538.8%
Black, not Hispanic3171.1%
Asian, not Hispanic410.1%
American Indian / Alaska Native, not Hispanic500.2%
Native Hawaiian / Pacific Islander, not Hispanic90.0%
Some other race, not Hispanic450.2%
Two or more races, not Hispanic8703.0%

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
25,900
Citizen Voting Age Population (CVAP)
19,786

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic12,37147.8%
Hispanic13,52952.2%
White11,32743.7%
Black2801.1%
Asian580.2%
American Indian / Alaska Native510.2%
Native Hawaiian / Pacific Islander110.0%
Two or More Races60.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic10,02550.7%
Hispanic9,76249.3%
White9,23646.7%
Black4362.2%
Asian660.3%
American Indian / Alaska Native2761.4%
Native Hawaiian / Pacific Islander110.1%
Two or More Races00.0%

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