Los Alamos County, New Mexico
Precinct data
Results by precinct
40 precincts · 12,016 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -000022000022 | 469 | 217 | 29 | 715 | 65.6% | 30.3% | D+35.2 |
|---|---|---|---|---|---|---|---|
| Precinct -000013000013 | 377 | 260 | 27 | 664 | 56.8% | 39.2% | D+17.6 |
| Precinct -000023000023 | 431 | 224 | 8 | 663 | 65.0% | 33.8% | D+31.2 |
| Precinct -000017000017 | 453 | 181 | 25 | 659 | 68.7% | 27.5% | D+41.3 |
| Precinct -000009000009 | 398 | 231 | 23 | 652 | 61.0% | 35.4% | D+25.6 |
| Precinct -000016000016 | 428 | 216 | 0 | 644 | 66.5% | 33.5% | D+32.9 |
| Precinct -000001000001 | 407 | 229 | 7 | 643 | 63.3% | 35.6% | D+27.7 |
| Precinct -000014000014 | 414 | 183 | 0 | 597 | 69.3% | 30.7% | D+38.7 |
| Precinct -000007000007 | 327 | 223 | 16 | 566 | 57.8% | 39.4% | D+18.4 |
| Precinct -000002000002 | 315 | 240 | 10 | 565 | 55.8% | 42.5% | D+13.3 |
| Precinct -000008000008 | 353 | 192 | 20 | 565 | 62.5% | 34.0% | D+28.5 |
| Precinct -000011000011 | 345 | 188 | 9 | 542 | 63.7% | 34.7% | D+29.0 |
| Precinct -000015000015 | 366 | 152 | 10 | 528 | 69.3% | 28.8% | D+40.5 |
| Precinct -000021000021 | 347 | 151 | 0 | 498 | 69.7% | 30.3% | D+39.4 |
| Precinct -000003000003 | 304 | 188 | 0 | 492 | 61.8% | 38.2% | D+23.6 |
| Precinct -000010000010 | 334 | 120 | 20 | 474 | 70.5% | 25.3% | D+45.1 |
| Precinct -000019000019 | 331 | 130 | 9 | 470 | 70.4% | 27.7% | D+42.8 |
| Precinct -000004000004 | 275 | 171 | 6 | 452 | 60.8% | 37.8% | D+23.0 |
| Precinct -000005000005 | 242 | 167 | 12 | 421 | 57.5% | 39.7% | D+17.8 |
| Precinct -000020000020 | 247 | 93 | 0 | 340 | 72.6% | 27.4% | D+45.3 |
| Precinct -000018000018 | 238 | 94 | 6 | 338 | 70.4% | 27.8% | D+42.6 |
| Precinct -000006000006 | 195 | 113 | 6 | 314 | 62.1% | 36.0% | D+26.1 |
| Precinct -000012000012 | 130 | 84 | 0 | 214 | 60.7% | 39.3% | D+21.5 |
| Los Alamos County Precinct 135_350281 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1035_3502810 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1135_3502811 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1235_3502812 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1335_3502813 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1435_3502814 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1535_3502815 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1635_3502816 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 1735_3502817 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 235_350282 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 335_350283 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 435_350284 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 535_350285 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 635_350286 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 735_350287 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 835_350288 | 0 | 0 | 0 | 0 | — | — | Even |
| Los Alamos County Precinct 935_350289 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1952–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1952 | +1.2% |
| 1956 | −4.1% |
| 1960 | +2.2% |
| 1964 | +32.9% |
| 1968 | −14.3% |
| 1972 | −34.2% |
| 1976 | −29.8% |
| 1980 | −33.0% |
| 1984 | −40.7% |
| 1988 | −33.0% |
| 1992 | −4.0% |
| 1996 | −10.2% |
| 2000 | −14.4% |
| 2004 | −5.4% |
| 2008 | +6.9% |
| 2012 | +3.7% |
| 2016 | +20.2% |
| 2020 | +26.6% |
| 2024 | +30.2% |
U.S. Senate
Registered voters
By party of registration, over time
Registration leans Democratic; the presidential vote runs 17 points more Republican.
16,378 registered voters · 2026
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−85 net domestic migration · 2025
Net −270 over 2011–2025 · gain loss
Arrivals reported $89,489 in average income, against $145,683 for residents who stayed — 39% lower. (IRS SOI, 2022–23)
The places arrivals came from lean D+35.2 on average — 5.0 points more Democratic-leaning than Los Alamos County, NM itself (D+30.2).
Where arrivals came from lean of each source
- Santa Fe County, NM98D+48.9
- Bernalillo County, NM61D+21.0
- Rio Arriba County, NM27D+19.4
- Los Angeles County, CA21D+32.9
Where departures went households, 2022–23
- Santa Fe County, NM128
- Bernalillo County, NM74
- Sandoval County, NM43
- Rio Arriba County, NM38
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | +52 |
| 2012 | −131 |
| 2013 | −436 |
| 2014 | −270 |
| 2015 | −90 |
| 2016 | +279 |
| 2017 | +426 |
| 2018 | +147 |
| 2019 | +256 |
| 2021 | −135 |
| 2022 | −305 |
| 2023 | −7 |
| 2024 | +29 |
| 2025 | −85 |
Home to Los Alamos National Laboratory, this small county posts one of New Mexico's widest Democratic margins, driven by a workforce of scientists and engineers that skews heavily toward advanced degrees.
Across the recorded series it reached a Democratic high of 32.9 points in 1964 and a Republican high of 40.7 points in 1984. Between 2020 and 2024 the county moved 3.5 points toward the Democratic candidate; the 2024 margin was 30.2 points.
A population of 19,435, a 70% non-Hispanic-white share, and a median household income of $147,139 describe the county. The county's voting pattern over the last decade is most similar to that of Teton County and Summit County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Los Alamos County, New Mexico. Akashic. https://akashic.app/county/35028/. Accessed May 20, 2026. License: CC BY 4.0.