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

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Office briefing

TILARÁN — Municipal council

Tracked current office. Identifiers stay separate from display names.

Costa Rica · TILARÁN / GUANACASTE · municipal · Municipal councilCR-C-GUANACASTE-TILARAN

Read the complete original research briefing

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
TILARÁN / GUANACASTE
Next election
2028-02-06
Linked upcoming event
next-1c1197eabed3b45a9d0b27ff
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

  • LIBERACIÓN NACIONAL43.3%
  • UNIDAD SOCIAL CRISTIANA30.1%
  • AQUÍ COSTA RICA MANDA22.6%
  • PUEBLO SOBERANO3.0%
  • UNIÓN GUANACASTECA1.0%
Results for event-f59770e8ea0054e16e2910ab
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/20242,88743.3%2Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/20242,01030.1%2Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/20241,50722.6%1Recorded
PUEBLO SOBERANOcosta-rica/Sc1df243471/20241973%0 (recorded zero)Recorded
UNIÓN GUANACASTECAcosta-rica/Sc1df243471/2024671%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL65.0%
  • NUEVA REPUBLICA16.1%
  • UNIDAD SOCIAL CRISTIANA13.2%
  • RESTAURACIÓN NACIONAL5.7%
Results for event-1bc08653225c4ba018a21495
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/20204,57565%3Recorded
NUEVA REPUBLICAcosta-rica/Sfa91292290/20201,13416.1%1Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202093013.2%1Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/20204015.7%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL30.8%
  • UNIDAD SOCIAL CRISTIANA23.6%
  • MOVIMIENTO LIBERTARIO22.1%
  • ACCIÓN CIUDADANA14.0%
  • REPUBLICANO SOCIAL CRISTIANO9.2%
  • NUEVA GENERACIÓN0.3%
Results for event-21627217a5d0e09b9f7436ca
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20162,48430.8%2Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/20161,90123.6%1Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/20161,78122.1%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20161,13014%1Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/20167389.2%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/S79669f3e5d/2016270.3%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=13.152369526094784, oldest_gap=7.232353306041432, previous_gap=48.87784090909091

pedersen volatility

Provisional volatility

43.49percentage 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=[[43.29634073185363,30.14397120575885,0,0,0,0,0,0,0,0,0,0,26.559688062387522],[64.98579545454545,13.210227272727273,0,0,5.6960227272727275,16.107954545454547,0,0,0,0,0,0,0],[30.81503535541496,23.582682049373528,14.018111896787,0,0,0,22.0940329983873,0,0,9.155191663565315,0,0,0.33494603647190174]]

pedersen volatility

Provisional volatility

55.97percentage 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=[[43.29634073185363,30.14397120575885,0,0,0,0,0,0,0,0,0,0,26.559688062387522],[64.98579545454545,13.210227272727273,0,0,5.6960227272727275,16.107954545454547,0,0,0,0,0,0,0],[30.81503535541496,23.582682049373528,14.018111896787,0,0,0,22.0940329983873,0,0,9.155191663565315,0,0,0.33494603647190174]]

pedersen volatility

Provisional volatility

49.73percentage 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=[[43.29634073185363,30.14397120575885,0,0,0,0,0,0,0,0,0,0,26.559688062387522],[64.98579545454545,13.210227272727273,0,0,5.6960227272727275,16.107954545454547,0,0,0,0,0,0,0],[30.81503535541496,23.582682049373528,14.018111896787,0,0,0,22.0940329983873,0,0,9.155191663565315,0,0,0.33494603647190174]]

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?
GERARDO ENRIQUE VILLEGAS ESTRADAREGIDURÍAS PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
LUCCINIA GRANADOS SOLISREGIDURÍAS PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
RANDALL GERARDO GOMEZ ALFAROREGIDURÍAS PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
LAUREN DURAN VARGASREGIDURÍAS PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
MARVIN SOLORZANO MURILLOREGIDURÍAS PROPIETARIAS2024AQUÍ COSTA RICA MANDAprincipal
MARVIN PICADO ARAYAREGIDURÍAS SUPLENTES2024LIBERACIÓN NACIONALsubstitute
SHEYLA THAMARA CERDAS VILLEGASREGIDURÍAS SUPLENTES2024LIBERACIÓN NACIONALsubstitute
JOSE ANGEL HENRY GRANJAREGIDURÍAS SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
GRETTY JOSEFINA MEJIAS ARTAVIAREGIDURÍAS SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
RONALD NUÑEZ VASQUEZREGIDURÍAS SUPLENTES2024AQUÍ COSTA RICA MANDAsubstitute
ROLANDO MEJIAS MOREIRAREGIDORES(AS) PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
ENERBEIS RAMIREZ VINDASREGIDORES(AS) PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
MARLIJSON ANDRES RAMAZAN TORRESREGIDORES(AS) PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
ENRIQUE JENKINS JIMENEZREGIDORES(AS) PROPIETARIOS(AS)2020NUEVA REPÚBLICAprincipal
FLORY IVETTE SALAZAR CABEZASREGIDORES(AS) PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
NIXA MARGOTH ALVAREZ RAMIREZREGIDORES(AS) SUPLENTES2020LIBERACIÓN NACIONALsubstitute
DANILO LOBO PEREZREGIDORES(AS) SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ANA MARIELA GUZMAN SOLANOREGIDORES(AS) SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ESTHER JALILE HERRERA RAMIREZREGIDORES(AS) SUPLENTES2020NUEVA REPÚBLICAsubstitute
RANDAL OSVALDO MORENO ARRIETAREGIDORES(AS) SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
ROLANDO MEJIAS MOREIRAREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
DALLILY SEGURA BRAVOREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
JOHEL SALAS ALVARADOREGIDORES(AS) PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
MANUEL ALBERTO DURAN LOAIZAREGIDORES(AS) PROPIETARIOS(AS)2016MOVIMIENTO LIBERTARIOprincipal
CARLOS ENRIQUE ULLOA ROJASREGIDORES(AS) PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
ADRIANA HERRERA MEJIASREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
JOSE EFREN ULLOA MEDRANOREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
KATTIA ARIAS LOPEZREGIDORES(AS) SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
MARLON ENRIQUE CARAZO CAMPOSREGIDORES(AS) SUPLENTES2016MOVIMIENTO LIBERTARIOsubstitute
SILVIA PICADO QUIROSREGIDORES(AS) 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. “TILARÁN — Municipal council.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-C-GUANACASTE-TILARAN. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sff26e7e948, costa-rica--Sfa91292290, costa-rica--S27ffa9d02e, costa-rica--S79669f3e5d, costa-rica--S8b1b44e150.