HarrisDemocratic55.5%1,155TrumpRepublican40.9%850KennedyIndependent2.4%49
D+14.7- Lead
- 305
- Total
- 2,080
- vs nation
- D+16.1
- Turnout
- 76.3%
Akashiccounty
Costilla County, CO
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 76.3% of 2,817 citizens 18+
BidenDemocratic62.6%1,311TrumpRepublican35.4%741JorgensenLibertarian0.7%15
D+27.2- Lead
- 570
- Total
- 2,094
- vs nation
- D+22.8
- Turnout
- 71.1%
ClintonDemocratic60.9%1,125TrumpRepublican31.8%588JohnsonLibertarian4.5%83
D+29.1- Lead
- 537
- Total
- 1,848
- vs nation
- D+27.0
- Turnout
- 71.9%
ObamaDemocratic72.9%1,340RomneyRepublican24.3%446OtherAll other candidates2.8%51
D+48.7- Lead
- 894
- Total
- 1,837
- vs nation
- D+44.8
- Turnout
- —
ObamaDemocratic73.4%1,245McCainRepublican24.5%415OtherAll other candidates2.2%37
D+48.9- Lead
- 830
- Total
- 1,697
- vs nation
- D+41.6
- Turnout
- —
KerryDemocratic66.5%1,170BushRepublican32.2%566OtherAll other candidates1.4%24
D+34.3- Lead
- 604
- Total
- 1,760
- vs nation
- D+36.8
- Turnout
- —
GoreDemocratic64.0%1,054BushRepublican30.6%504NaderGreen4.3%71
D+33.4- Lead
- 550
- Total
- 1,648
- vs nation
- D+32.9
- Turnout
- —
ClintonDemocratic71.2%1,168DoleRepublican20.3%333PerotReform6.8%112
D+50.9- Lead
- 835
- Total
- 1,641
- vs nation
- D+42.4
- Turnout
- —
Key facts
- 2024 presidential margin
- D+14.7MIT Election Lab
- Population
- 3,6072024 5-year
- Median household income
- $36,8612024 5-year
- White (non-Hispanic)
- 37.3%2024 5-year
- Black
- 1.9%2024 5-year
- Hispanic / Latino
- 54.7%2024 5-year
- Peak Democratic margin
- D+62.0 in 1964MIT Election Lab
- Peak Republican margin
- R+63.4 in 1892MIT Election Lab
- Most similar
- San Miguel County, NM · twin score 91.6
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 76.3%2,149 participants ÷ 2,817 CVAP
- 2020→2022 drop-off
- +7.4 ptsHigh-turnout, durable
- Drop-off versus state
- -13.1 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 67.1%–68.9%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 1,986 | 2,763 | 71.9% | A/A |
| 2018 · Midterm | 1,713 | 2,813 | 60.9% | A/A |
| 2020 · Presidential | 2,145 | 3,018 | 71.1% | A/A |
| 2022 · Midterm | 1,750 | 2,747 | 63.7% | A/A |
| 2024 · Presidential | 2,149 | 2,817 | 76.3% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
Precinct data
Results by precinct
16 precincts · 2,080 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -30662120073066212007 | 356 | 326 | 16 | 698 | 51.0% | 46.7% | D+4.3 |
|---|---|---|---|---|---|---|---|
| Precinct -30662120083066212008 | 170 | 208 | 24 | 402 | 42.3% | 51.7% | R+9.5 |
| Precinct -30662120043066212004 | 150 | 72 | 9 | 231 | 64.9% | 31.2% | D+33.8 |
| Precinct -30662120023066212002 | 159 | 41 | 4 | 204 | 77.9% | 20.1% | D+57.8 |
| Precinct -30662120053066212005 | 76 | 94 | 8 | 178 | 42.7% | 52.8% | R+10.1 |
| Precinct -30662120013066212001 | 113 | 37 | 10 | 160 | 70.6% | 23.1% | D+47.5 |
| Precinct -30662120033066212003 | 75 | 39 | 3 | 117 | 64.1% | 33.3% | D+30.8 |
| Precinct -30662120063066212006 | 56 | 33 | 1 | 90 | 62.2% | 36.7% | D+25.6 |
| Costilla 108_0802312001 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 208_0802312002 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 308_0802312003 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 408_0802312004 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 508_0802312005 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 608_0802312006 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 708_0802312007 | 0 | 0 | 0 | 0 | — | — | No votes |
| Costilla 808_0802312008 | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
Presidential margin, 1880–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1880 | +6.3% |
| 1884 | −1.4% |
| 1888 | −13.8% |
| 1892 | −63.4% |
| 1896 | +47.3% |
| 1900 | −31.9% |
| 1904 | −28.4% |
| 1908 | −30.2% |
| 1912 | −25.9% |
| 1916 | +26.9% |
| 1920 | −1.8% |
| 1924 | −5.8% |
| 1928 | +23.5% |
| 1932 | +34.7% |
| 1936 | +23.5% |
| 1940 | +20.3% |
| 1944 | +25.6% |
| 1948 | +25.4% |
| 1952 | +12.2% |
| 1956 | +13.2% |
| 1960 | +35.7% |
| 1964 | +62.0% |
| 1968 | +30.8% |
| 1972 | +9.9% |
| 1976 | +44.1% |
| 1980 | +34.6% |
| 1984 | +23.1% |
| 1988 | +42.1% |
| 1992 | +46.4% |
| 1996 | +50.9% |
| 2000 | +33.4% |
| 2004 | +34.3% |
| 2008 | +48.9% |
| 2012 | +48.7% |
| 2016 | +29.1% |
| 2020 | +27.2% |
| 2024 | +14.7% |
DemocraticRepublican
Federal and statewide elections · 3 House · 37 Senate · 3 Senate special · 12 governor
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
U.S. Senate special elections
Each row shows U.S. Senate special votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024D+26.8
Presidential vote · 2024D+14.7
Registration leans Democratic; the presidential vote runs 12 points more Democratic.
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2016 | 2,924 | 1,761 | 468 | 635 | 60 |
| 2018 | 2,849 | 1,657 | 420 | 717 | 55 |
| 2020 | 3,041 | 1,641 | 479 | 867 | 54 |
| 2022 | 3,244 | 1,582 | 463 | 1,142 | 57 |
| 2024 | 3,495 | 1,483 | 545 | 1,379 | 88 |
domestic migration
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+41 net domestic migration · 2025
20112025
Net +648 over 2011–2025 · gain loss
Arrivals reported $41,933 in average income, against $46,730 for residents who stayed — 10% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+10.8 on average — 25 points more Republican-leaning than Costilla County, CO itself (D+14.7).
Where arrivals came from lean of each source
- Alamosa County, CO22R+10.8
Where departures went households, 2022–23
- Alamosa County, CO21
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 | +93 |
| 2012 | −35 |
| 2013 | −55 |
| 2014 | +30 |
| 2015 | +12 |
| 2016 | +131 |
| 2017 | +56 |
| 2018 | +45 |
| 2019 | +63 |
| 2021 | +121 |
| 2022 | +26 |
| 2023 | +34 |
| 2024 | +86 |
| 2025 | +41 |
Despite sparse population and an agricultural economy centered on the upper Rio Grande, Costilla County has returned double-digit Democratic margins in recent cycles, driven largely by a majority-Hispanic electorate with deep multigenerational roots in the region.
Across the recorded series it reached a Democratic high of 62.0 points in 1964 and a Republican high of 63.4 points in 1892. Between 2020 and 2024 the county moved 12.6 points toward the Republican candidate; the 2024 margin was 14.7 points.
A population of 3,607, a 37% non-Hispanic-white share, and a median household income of $36,861 describe the county. The county's voting pattern over the last decade is most similar to that of San Miguel County and Mora County.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
San Miguel County
New Mexico
91.6twin score
2000–2012 trajectory≠ % unaffiliated
Mora County
New Mexico
90.8twin score
2000–2012 trajectory≠ % unaffiliated
Guadalupe County
New Mexico
90.0twin score
2000–2012 trajectory% Latino≠ elasticity
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Costilla County, Colorado. Akashic. https://akashic.app/county/08023/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Costilla County, Colorado vote in 2024?
In 2024, Costilla County, Colorado voted Democratic by 14.7 points (D+14.7), carried by the Democratic candidate. Out of 2,080 votes cast, 1,155 went Democratic and 850 went Republican.
When did Costilla County, Colorado last vote Republican?
The most recent presidential election in which Costilla County, Colorado voted Republican was 1924.
How many people live in Costilla County, Colorado?
Costilla County, Colorado has a population of 3,607 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Costilla County, Colorado?
Median household income in Costilla County, Colorado is $36,861 — below the national median of $80,734. The Colorado state median is $95,470.
What is the political history of Costilla County, Colorado?
Akashic tracks 38 presidential elections in Costilla County, Colorado from 1876 to 2024. Of those, 28 went Democratic and 9 went Republican.