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

Office briefing

SAN ISIDRO — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · SAN ISIDRO / ALAJUELA · other · Syndic and district council — shared ballotCR-D-ALAJUELA-SAN-RAMON-SAN-ISIDRO

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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
SAN ISIDRO / ALAJUELA
Next election
2028-02-06
Linked upcoming event
next-f61de28439b4203d6309d0d0
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 CRISTIANA41.4%
  • LIBERACIÓN NACIONAL39.2%
  • NUEVA REPÚBLICA14.2%
  • RECICLADORES Y VISIONARIOS5.2%
Results for event-46bbba9bb7c063fcbf820c7e
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202448641.4%3Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202446039.2%2Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/202416614.2%0 (recorded zero)Recorded
RECICLADORES Y VISIONARIOScosta-rica/Sc1df243471/2024615.2%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL55.6%
  • UNIDAD SOCIAL CRISTIANA14.2%
  • INTEGRACIÓN NACIONAL10.0%
  • ACCIÓN CIUDADANA8.3%
  • FRENTE AMPLIO6.8%
  • NUEVA REPÚBLICA3.6%
  • RESTAURACIÓN NACIONAL1.3%
Results for event-a31677b09c1b95b67f3d72fe
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202058755.6%4Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202015014.2%1Recorded
INTEGRACIÓN NACIONALcosta-rica/Sfa91292290/202010610%0 (recorded zero)Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/2020888.3%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/Sfa91292290/2020726.8%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/2020383.6%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/2020141.3%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL42.3%
  • ACCIÓN CIUDADANA22.1%
  • REPUBLICANO SOCIAL CRISTIANO8.6%
  • LIGA RAMONENSE7.4%
  • RENOVACIÓN COSTARRICENSE5.1%
  • FRENTE AMPLIO5.0%
  • NUEVA GENERACIÓN4.5%
  • UNIDAD SOCIAL CRISTIANA4.4%
  • RESTAURACIÓN NACIONAL0.7%
Results for event-17767b97c1dff462804138b8
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/201645242.3%3Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/201623622.1%2Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/2016928.6%0 (recorded zero)Recorded
LIGA RAMONENSEcosta-rica/S79669f3e5d/2016797.4%0 (recorded zero)Recorded
RENOVACIÓN COSTARRICENSEcosta-rica/S79669f3e5d/2016545.1%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/2016535%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/S79669f3e5d/2016484.5%0 (recorded zero)Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/2016474.4%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/S79669f3e5d/201680.7%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

21.110–100 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=2.21653878942881, oldest_gap=20.205799812909266, previous_gap=41.4218009478673

pedersen volatility

Provisional volatility

42.96percentage 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=[[39.21568627450981,41.43222506393862,0,0,0,14.151747655583973,0,0,0,0,0,0,5.200341005967604],[55.639810426540286,14.218009478672986,8.341232227488153,6.8246445497630335,1.3270142180094786,3.6018957345971563,0,10.04739336492891,0,0,0,0,0],[42.282507015902716,4.396632366697848,22.07670720299345,4.9579045837231055,0.7483629560336763,0,0,0,0,8.606173994387278,0,0,16.931711880261926]]

pedersen volatility

Provisional volatility

39.27percentage 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=[[39.21568627450981,41.43222506393862,0,0,0,14.151747655583973,0,0,0,0,0,0,5.200341005967604],[55.639810426540286,14.218009478672986,8.341232227488153,6.8246445497630335,1.3270142180094786,3.6018957345971563,0,10.04739336492891,0,0,0,0,0],[42.282507015902716,4.396632366697848,22.07670720299345,4.9579045837231055,0.7483629560336763,0,0,0,0,8.606173994387278,0,0,16.931711880261926]]

pedersen volatility

Provisional volatility

41.12percentage 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=[[39.21568627450981,41.43222506393862,0,0,0,14.151747655583973,0,0,0,0,0,0,5.200341005967604],[55.639810426540286,14.218009478672986,8.341232227488153,6.8246445497630335,1.3270142180094786,3.6018957345971563,0,10.04739336492891,0,0,0,0,0],[42.282507015902716,4.396632366697848,22.07670720299345,4.9579045837231055,0.7483629560336763,0,0,0,0,8.606173994387278,0,0,16.931711880261926]]

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?
WILLIAM AVALOS ESQUIVELSINDICATURAS PROPIETARIO2024UNIDAD SOCIAL CRISTIANAprincipal
LIDIETH RODRIGUEZ AVILASINDICATURAS SUPLENTE2024UNIDAD SOCIAL CRISTIANAsubstitute
VERONICA BRIGITTE TORRES CRUZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
NORGEN MAURICIO CHAVARRIA UMAÑACONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
EDUARDO TORRES FERNANDEZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
LINETTE DEL CARMEN MURILLO RODRIGUEZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
DAMARIS LEDEZMA MORACONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
ISAAC STEVEN ALPIZAR RODRIGUEZCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
GERARDO MURILLO RODRIGUEZCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
ROMELIA RAMIREZ FERNANDEZCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
EDUARDO TORRES FERNANDEZSÍNDICOS(AS) PROPIETARIO2020LIBERACIÓN NACIONALprincipal
MARIA TERESA OROZCO DELGADOSÍNDICOS(AS) SUPLENTE2020LIBERACIÓN NACIONALsubstitute
LUIS MARIA VARELA CASTROCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
MARIA DEL SOCORRO FERNANDEZ FERNANDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
JOSE RODOLFO CHINCHILLA OROZCOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
HEIDY CRUZ MENDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
BERNARDITA OVARES FERNANDEZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ISIDORO LEZCANO YANGUEZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ROMELIA RAMIREZ FERNANDEZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
EDUARD ALEJANDRO BARRANTES ALFAROCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
EDUARDO TORRES FERNANDEZSÍNDICOS(AS) PROPIETARIO2016LIBERACIÓN NACIONALprincipal
MARIA TERESA OROZCO DELGADOSÍNDICOS(AS) SUPLENTE2016LIBERACIÓN NACIONALsubstitute
JOSE GERARDO ALVARADO AVILACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
MARIA DEL SOCORRO FERNANDEZ FERNANDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
JORGE EDUARDO OVARES FERNANDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
BERNARDITA OVARES FERNANDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
PASTOR VILLALOBOS CARTINCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
GERARDA RAMONA CALDERON MONTEROCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
VIRGINIA CRUZ LOPEZCONCEJALES DE DISTRITO SUPLENTES2016ACCIÓN CIUDADANAsubstitute
JAVIER ANTONIO ROJAS QUESADACONCEJALES 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. “SAN ISIDRO — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-ALAJUELA-SAN-RAMON-SAN-ISIDRO. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sfc698ffe74, costa-rica--Sfa91292290, costa-rica--Sbe144212a4, costa-rica--S79669f3e5d, costa-rica--S7a26c9447a.