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Partial researchResearch snapshot 2026-09-13. Evidence gaps remain; see Coverage for requirements.

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Office briefing

DOS RÍOS — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · DOS RÍOS / ALAJUELA · other · Syndic and district council — shared ballotCR-D-ALAJUELA-UPALA-DOS-RIOS

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TSE vote books joined to official elected-member declarations where geographic and total checks reconcile. Substitutes retained separately. Subsequent replacements and current officeholder status require review.

1. What office, where, and when is the next election?

Geography
DOS RÍOS / ALAJUELA
Next election
2028-02-06
Linked upcoming event
next-702cf9f48bb3009b55613521
Registry qualification
Unknown

2. How certain is that date?

2028-02-06 is expected (not formally called). Day precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2024-02-04

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA63.2%
  • LIBERACIÓN NACIONAL25.9%
  • PUEBLO SOBERANO4.4%
  • AQUÍ COSTA RICA MANDA3.3%
  • NUEVA REPÚBLICA2.3%
  • UNIDOS PODEMOS0.8%
Results for event-09d08e683e53f08419c239c0
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202447363.2%4Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202419425.9%1Recorded
PUEBLO SOBERANOcosta-rica/Sc1df243471/2024334.4%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/2024253.3%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/2024172.3%0 (recorded zero)Recorded
UNIDOS PODEMOScosta-rica/Sc1df243471/202460.8%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL37.6%
  • UNIDAD SOCIAL CRISTIANA37.1%
  • NUEVA REPÚBLICA11.9%
  • REPUBLICANO SOCIAL CRISTIANO6.9%
  • RESTAURACIÓN NACIONAL6.6%
Results for event-afd845af3606432854313633
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202024137.6%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202023837.1%2Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/20207611.9%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/2020446.9%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/2020426.6%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL49.3%
  • REPUBLICANO SOCIAL CRISTIANO34.3%
  • ACCIÓN CIUDADANA13.8%
  • FRENTE AMPLIO2.6%
Results for event-549d7fec54e797f8f8600a89
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/201630349.3%3Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/201621134.3%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20168513.8%1Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/2016162.6%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Provisional imported-series comparison; actual-event review open

Method ci.weighted-gap.v1. Inputs: latest_gap=37.29946524064171, oldest_gap=14.95934959349593, previous_gap=0.4680187207488302

pedersen volatility

Provisional volatility

34.66percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Latest interval

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Latest interval, vectors=[[25.93582887700535,63.23529411764706,0,0,0,2.272727272727273,0,0,0,0,0,0,8.556149732620321],[37.597503900156006,37.129485179407176,0,0,6.5522620904836195,11.856474258970358,0,0,0,6.86427457098284,0,0,0],[49.26829268292683,0,13.821138211382113,2.6016260162601625,0,0,0,0,0,34.3089430894309,0,0,0]]

pedersen volatility

Provisional volatility

55.54percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Previous interval, vectors=[[25.93582887700535,63.23529411764706,0,0,0,2.272727272727273,0,0,0,0,0,0,8.556149732620321],[37.597503900156006,37.129485179407176,0,0,6.5522620904836195,11.856474258970358,0,0,0,6.86427457098284,0,0,0],[49.26829268292683,0,13.821138211382113,2.6016260162601625,0,0,0,0,0,34.3089430894309,0,0,0]]

pedersen volatility

Provisional volatility

45.1percentage points

Grouped Pedersen lower bound (percentage points). Twelve explicitly named standalone national parties; accent variants normalized. Local parties and coalitions remain Other. No alliance votes are attributed to individual member parties. An interval is withheld if either election has no list mapped to an explicit named group. This is aggregate share change, not individual voter switching. Event review: Actual-event and/or comparability review incomplete

Comparison status: Both intervals mean

Method pedersen.grouped.v1. Inputs: groups=["PLN","PUSC","PAC","Frente Amplio","PRN","Nueva Republica","PML","PIN","PASE","PRSC","PLP","PPSD","Other"], interval=Both intervals mean, vectors=[[25.93582887700535,63.23529411764706,0,0,0,2.272727272727273,0,0,0,0,0,0,8.556149732620321],[37.597503900156006,37.129485179407176,0,0,6.5522620904836195,11.856474258970358,0,0,0,6.86427457098284,0,0,0],[49.26829268292683,0,13.821138211382113,2.6016260162601625,0,0,0,0,0,34.3089430894309,0,0,0]]

Source-reported control: Unverified. Current tenure requires separate dated evidence.

5. Officeholder evidence

Dated roster observations are not automatically current tenure. The source current-office flag means this office is tracked now, not that the last winner still holds it.

Officeholder observations
PersonRoleAs ofAffiliationPrincipal?
JULIO CESAR VILCHEZ HERNANDEZSINDICATURA PROPIETARIO2024UNIDAD SOCIAL CRISTIANAprincipal
LISBETH NAVARRETE RODRIGUEZSINDICATURA SUPLENTE2024UNIDAD SOCIAL CRISTIANAsubstitute
ROGELIO CORTES CARMONACONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
JEANNETTE CORTES MATARRITACONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
FRANCISCO CARMONA CORTESCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
MARIA DOLORES MENDOZA MARTINEZCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024LIBERACIÓN NACIONALprincipal
NICOLE SHAKIRA OBANDO PONCECONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
PETRONA MORA CERDASCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
GERARDO QUESADA QUESADASÍNDICOS(AS) PROPIETARIO2020LIBERACIÓN NACIONALprincipal
MELIDA MIRANDA ROMEROSÍNDICOS(AS) SUPLENTE2020LIBERACIÓN NACIONALsubstitute
YAMBERLIN LIDEY CORTES ARAGONCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
JOSE ANGEL TRAÑA CASTILLOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
MILADY MAGALLY ARAYA QUESADACONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
CARLOS LUIS GOMEZ CASTILLOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
TOMASA ALEMAN VICTORCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
EVER MAURICIO RAMIREZ ARAYACONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
MARIA QUINTANILLA MORAGACONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
RONALD FERNANDO VALDELOMAR SANCHEZCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
JOSE ELIAS CALDERON VEGASÍNDICOS(AS) PROPIETARIO2016LIBERACIÓN NACIONALprincipal
RAQUEL CASCANTE ALANISSÍNDICOS(AS) SUPLENTE2016LIBERACIÓN NACIONALsubstitute
ERICK GERARDO MORERA CASTROCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
ESTELA GARCIA JIRONCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
ROSIBEL GRIO SANDOVALCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016REPUBLICANO SOCIAL CRISTIANOprincipal
JUAN ALBERTO CHACON LORIACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
LEIDI PARRALES MIRANDACONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
FLORINDO CARRANZA SALASCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
BLANCA ROSA OBANDO PEREZCONCEJALES DE DISTRITO SUPLENTES2016REPUBLICANO SOCIAL CRISTIANOsubstitute
PETRONA CORTES CHEVEZCONCEJALES DE DISTRITO SUPLENTES2016ACCIÓN CIUDADANAsubstitute

6. Polling context

No local poll supplied.

7. Unresolved issues and sources

  • other · open

    Published province heading correction: {"issue": "Published province heading correction", "year": 2020, "area": "Heredia", "source_id": "S41377daad8", "resolution": "The amendment corrects CARTAGO to HEREDIA in the second table heading. It changes no votes, winners or seats; the original declaration is joined to Heredia."}

Sources

Cite this record

Center for Digital Democracy. “DOS RÍOS — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-ALAJUELA-UPALA-DOS-RIOS. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sf52073e384, costa-rica--Sfa91292290, costa-rica--S1c3905c79c, costa-rica--S79669f3e5d, costa-rica--S84a45c5817.