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

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Office briefing

SARCHÍ — Municipal council

Tracked current office. Identifiers stay separate from display names.

Costa Rica · SARCHÍ / ALAJUELA · municipal · Municipal councilCR-C-ALAJUELA-SARCHI

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
SARCHÍ / ALAJUELA
Next election
2028-02-06
Linked upcoming event
next-cf058dd43e6960becf8da960
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

  • ALIANZA POR SARCHÍ43.5%
  • UNIDAD SOCIAL CRISTIANA30.8%
  • SOMOS13.0%
  • LIBERACIÓN NACIONAL5.5%
  • PUEBLO SOBERANO5.0%
  • NUEVA REPÚBLICA2.1%
Results for event-0d9a915d541ab04778e4ca03
Label / candidateParty codeVotesShareSeatsStatus
ALIANZA POR SARCHÍcosta-rica/Sc1df243471/20243,32243.5%2Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/20242,35330.8%2Recorded
SOMOScosta-rica/Sc1df243471/202499213%1Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/20244235.5%0 (recorded zero)Recorded
PUEBLO SOBERANOcosta-rica/Sc1df243471/20243825%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/20241602.1%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • ALIANZA POR SARCHÍ24.2%
  • SOMOS SARCHÍ23.7%
  • UNIDAD SOCIAL CRISTIANA20.7%
  • NUEVA REPUBLICA9.8%
  • LIBERACIÓN NACIONAL9.3%
  • FUERZA SARCHISEÑA6.9%
  • NUEVA GENERACIÓN4.1%
  • RESTAURACIÓN NACIONAL1.3%
Results for event-04b3ca6a180b01234b555ba9
Label / candidateParty codeVotesShareSeatsStatus
ALIANZA POR SARCHÍcosta-rica/Sfa91292290/20201,74324.2%2Recorded
SOMOS SARCHÍcosta-rica/Sfa91292290/20201,70423.7%2Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/20201,49220.7%1Recorded
NUEVA REPUBLICAcosta-rica/Sfa91292290/20207029.8%0 (recorded zero)Recorded
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/20206729.3%0 (recorded zero)Recorded
FUERZA SARCHISEÑAcosta-rica/Sfa91292290/20204966.9%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/Sfa91292290/20202974.1%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/2020941.3%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA40.4%
  • LIBERACIÓN NACIONAL26.4%
  • NUEVA GENERACIÓN25.2%
  • ACCIÓN CIUDADANA8.0%
Results for event-170fa248ad8ea8084cfdb306
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/20162,69140.4%2Recorded
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20161,75426.4%2Recorded
NUEVA GENERACIÓNcosta-rica/S79669f3e5d/20161,67725.2%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20165318%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

54.060–100 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=12.696540880503143, oldest_gap=14.08387193747182, previous_gap=0.5416666666666643

pedersen volatility

Provisional volatility

12.75percentage 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=[[5.5424528301886795,30.83071278825996,0,0,0,2.0964360587002098,0,0,0,0,0,0,61.530398322851156],[9.333333333333334,20.72222222222222,0,0,1.3055555555555556,9.75,0,0,0,0,0,0,58.888888888888886],[26.364046294904554,40.447918232376374,7.98136179167293,0,0,0,0,0,0,0,0,0,25.206673681046144]]

pedersen volatility

Provisional volatility

44.74percentage 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=[[5.5424528301886795,30.83071278825996,0,0,0,2.0964360587002098,0,0,0,0,0,0,61.530398322851156],[9.333333333333334,20.72222222222222,0,0,1.3055555555555556,9.75,0,0,0,0,0,0,58.888888888888886],[26.364046294904554,40.447918232376374,7.98136179167293,0,0,0,0,0,0,0,0,0,25.206673681046144]]

pedersen volatility

Provisional volatility

28.74percentage 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=[[5.5424528301886795,30.83071278825996,0,0,0,2.0964360587002098,0,0,0,0,0,0,61.530398322851156],[9.333333333333334,20.72222222222222,0,0,1.3055555555555556,9.75,0,0,0,0,0,0,58.888888888888886],[26.364046294904554,40.447918232376374,7.98136179167293,0,0,0,0,0,0,0,0,0,25.206673681046144]]

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?
ALEJANDRA VALVERDE ALFAROREGIDURÍAS PROPIETARIAS2024ALIANZA POR SARCHÍprincipal
DIEGO GERARDO GONZALEZ CORRALESREGIDURÍAS PROPIETARIAS2024ALIANZA POR SARCHÍprincipal
JONATHAN JESUS HERRERA PORRASREGIDURÍAS PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
MARIELA CASTRO PACHECOREGIDURÍAS PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
JOSUE VARGAS ROJASREGIDURÍAS PROPIETARIAS2024SOMOSprincipal
ANA LIZETH ROJAS ROJASREGIDURÍAS SUPLENTES2024ALIANZA POR SARCHÍsubstitute
LUIS GERARDO MADRIGAL AGUILERAREGIDURÍAS SUPLENTES2024ALIANZA POR SARCHÍsubstitute
OSCAR BOLIVAR ESQUIVEL CORRALESREGIDURÍAS SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
YENDRY YAZMIN GONZALEZ MORALESREGIDURÍAS SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
MICHAEL ALONSO ROJAS SANTAMARIAREGIDURÍAS SUPLENTES2024SOMOSsubstitute
ALEJANDRA VALVERDE ALFAROREGIDORES(AS) PROPIETARIOS(AS)2020ALIANZA POR SARCHÍprincipal
MANFRED ALONSO UMAÑA ALFAROREGIDORES(AS) PROPIETARIOS(AS)2020ALIANZA POR SARCHÍprincipal
MELVIN CUBERO JIMENEZREGIDORES(AS) PROPIETARIOS(AS)2020SOMOS SARCHÍprincipal
OFELIA CRISTINA ARGUELLO CASTROREGIDORES(AS) PROPIETARIOS(AS)2020SOMOS SARCHÍprincipal
MARIA ISABEL MOLINA CALVOREGIDORES(AS) PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
CARLOS HUMBERTO MOLINA GONZALEZREGIDORES(AS) SUPLENTES2020ALIANZA POR SARCHÍsubstitute
LUISA MARIA PEREZ ZAMORAREGIDORES(AS) SUPLENTES2020ALIANZA POR SARCHÍsubstitute
ANA ISABEL CESPEDES BARRANTESREGIDORES(AS) SUPLENTES2020SOMOS SARCHÍsubstitute
JOSE MARIO SEGURA BARRANTESREGIDORES(AS) SUPLENTES2020SOMOS SARCHÍsubstitute
MICHAEL ALONSO ROJAS SANTAMARIAREGIDORES(AS) SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
JAVIER MURILLO CESPEDESREGIDORES(AS) PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
JENNY CARVAJAL BONILLAREGIDORES(AS) PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
LISBETH MARIA NUÑEZ CASCANTEREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
EDWARD CAMPOS JARAREGIDORES(AS) PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
KATERINE DAYANNA FLORES SANTOSREGIDORES(AS) PROPIETARIOS(AS)2016NUEVA GENERACIÓNprincipal
MARIA ELENA MADRIGAL VEGAREGIDORES(AS) SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
JONATHAN JESUS HERRERA PORRASREGIDORES(AS) SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
DAUREN CHAVARRIA CASTROREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
LIZ KELLEM ACOSTA ARAYAREGIDORES(AS) SUPLENTES2016LIBERACIÓN NACIONALsubstitute
GISELLE MARIA PERALTA VARGASREGIDORES(AS) SUPLENTES2016NUEVA GENERACIÓNsubstitute

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. “SARCHÍ — Municipal council.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-C-ALAJUELA-SARCHI. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--S9f25ea0c9f, costa-rica--Sfa91292290, costa-rica--Sf78d58d062, costa-rica--S79669f3e5d, costa-rica--S06946938a3.