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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-ALAJUELA-SAN-ISIDRO

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
SAN ISIDRO / ALAJUELA
Next election
2028-02-06
Linked upcoming event
next-f8a733caff79c1b618adde5f
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 NACIONAL25.0%
  • UNIDAD SOCIAL CRISTIANA20.5%
  • PROGRESO SOCIAL DEMOCRÁTICO11.5%
  • RENOVEMOS ALAJUELA11.0%
  • DESPERTAR ALAJUELENSE8.6%
  • AQUÍ COSTA RICA MANDA7.8%
  • UNIDOS PODEMOS5.0%
  • NUEVA REPÚBLICA3.7%
  • LIBERAL PROGRESISTA3.5%
  • NUEVA GENERACIÓN3.4%
Results for event-693adb456f3751d2b2d03828
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202498125%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202480420.5%2Recorded
PROGRESO SOCIAL DEMOCRÁTICOcosta-rica/Sc1df243471/202444911.5%0 (recorded zero)Recorded
RENOVEMOS ALAJUELAcosta-rica/Sc1df243471/202442911%0 (recorded zero)Recorded
DESPERTAR ALAJUELENSEcosta-rica/Sc1df243471/20243358.6%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/20243067.8%0 (recorded zero)Recorded
UNIDOS PODEMOScosta-rica/Sc1df243471/20241965%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/20241443.7%0 (recorded zero)Recorded
LIBERAL PROGRESISTAcosta-rica/Sc1df243471/20241383.5%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/Sc1df243471/20241353.4%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL32.0%
  • UNIDAD SOCIAL CRISTIANA21.6%
  • DESPERTAR ALAJUELENSE17.1%
  • NUEVA REPÚBLICA7.1%
  • ACCIÓN CIUDADANA6.7%
  • FRENTE AMPLIO5.8%
  • REPUBLICANO SOCIAL CRISTIANO4.1%
  • RESTAURACIÓN NACIONAL2.7%
  • NUEVA GENERACIÓN1.9%
  • UNIDOS PODEMOS1.0%
Results for event-892ba068682643ab29c74a37
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/20201,29732%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202087421.6%1Recorded
DESPERTAR ALAJUELENSEcosta-rica/Sfa91292290/202069217.1%1Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/20202887.1%0 (recorded zero)Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/20202716.7%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/Sfa91292290/20202345.8%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/20201664.1%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/20201102.7%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/Sfa91292290/2020751.9%0 (recorded zero)Recorded
UNIDOS PODEMOScosta-rica/Sfa91292290/2020401%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL45.0%
  • UNIDAD SOCIAL CRISTIANA21.0%
  • ACCIÓN CIUDADANA9.1%
  • ACCESIBILIDAD SIN EXCLUSIÓN8.4%
  • RENOVEMOS ALAJUELA5.8%
  • FRENTE AMPLIO3.9%
  • RENOVACIÓN COSTARRICENSE2.5%
  • REPUBLICANO SOCIAL CRISTIANO2.2%
  • RESTAURACIÓN NACIONAL1.3%
  • MOVIMIENTO LIBERTARIO0.9%
Results for event-8bd210a60bee646935e92b6f
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20161,37845%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/201664321%2Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20162799.1%0 (recorded zero)Recorded
ACCESIBILIDAD SIN EXCLUSIÓNcosta-rica/S79669f3e5d/20162568.4%0 (recorded zero)Recorded
RENOVEMOS ALAJUELAcosta-rica/S79669f3e5d/20161795.8%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/20161183.9%0 (recorded zero)Recorded
RENOVACIÓN COSTARRICENSEcosta-rica/S79669f3e5d/2016762.5%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/2016662.2%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/S79669f3e5d/2016391.3%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/2016270.9%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

58.760–100 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=4.51876436047996, oldest_gap=24.011760862463248, previous_gap=10.452186805040768

pedersen volatility

Provisional volatility

30.81percentage 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=[[25.04467704876181,20.52591268828185,0,0,0,3.6762828695430176,0,0,0,0,3.523104416645392,11.462854225172325,35.767168751595605],[32.04843093649617,21.5962441314554,6.696318260439832,5.782060785767235,2.718062762540153,7.116382505559674,0,0,0,4.101803805287868,0,0,19.94069681245367],[45.01796798431885,21.006207121855603,9.11466840901666,3.8549493629532834,1.274093433518458,0,0.8820646847435478,0,8.36327997386475,2.156158118262006,0,0,8.330610911466842]]

pedersen volatility

Provisional volatility

24.63percentage 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=[[25.04467704876181,20.52591268828185,0,0,0,3.6762828695430176,0,0,0,0,3.523104416645392,11.462854225172325,35.767168751595605],[32.04843093649617,21.5962441314554,6.696318260439832,5.782060785767235,2.718062762540153,7.116382505559674,0,0,0,4.101803805287868,0,0,19.94069681245367],[45.01796798431885,21.006207121855603,9.11466840901666,3.8549493629532834,1.274093433518458,0,0.8820646847435478,0,8.36327997386475,2.156158118262006,0,0,8.330610911466842]]

pedersen volatility

Provisional volatility

27.72percentage 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=[[25.04467704876181,20.52591268828185,0,0,0,3.6762828695430176,0,0,0,0,3.523104416645392,11.462854225172325,35.767168751595605],[32.04843093649617,21.5962441314554,6.696318260439832,5.782060785767235,2.718062762540153,7.116382505559674,0,0,0,4.101803805287868,0,0,19.94069681245367],[45.01796798431885,21.006207121855603,9.11466840901666,3.8549493629532834,1.274093433518458,0,0.8820646847435478,0,8.36327997386475,2.156158118262006,0,0,8.330610911466842]]

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?
JOSE VIANNEY GUZMAN RODRIGUEZSINDICATURA PROPIETARIO2024LIBERACIÓN NACIONALprincipal
ETHEL YAMILETH LOPEZ HERNANDEZSINDICATURA SUPLENTE2024LIBERACIÓN NACIONALsubstitute
KATIA MEJIAS QUIROSCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024LIBERACIÓN NACIONALprincipal
RAFAEL SANCHEZ PEREZCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024LIBERACIÓN NACIONALprincipal
JORGE LUIS VARGAS SANCHEZCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
MARIA ISABEL ARTAVIA GONZALEZCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
HILDA MADRIGAL MENDOZACONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
JONATHAN GERARDO ALVAREZ VARGASCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
STARLEN GERARDO BOLAÑOS PICADOCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
EVELYN DELGADO CARVAJALCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
LUIS EMILIO HERNANDEZ LEONSÍNDICOS(AS) PROPIETARIO2020LIBERACIÓN NACIONALprincipal
MARIA LUISA VALVERDE VALVERDESÍNDICOS(AS) SUPLENTE2020LIBERACIÓN NACIONALsubstitute
JUAN JOSE ALFARO CHACONCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
KATIA VARGAS TREJOSCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
OVIDIO RENE LEON STOCKHAUSENCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
VICTOR HUGO GAMBOA LOPEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020DESPERTAR ALAJUELENSEprincipal
CARLOS RUIZ BOLAÑOSCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ETHEL YAMILETH LOPEZ HERNANDEZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
KATIA MEJIAS QUIROSCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
ROXANA BEATRIZ SABORIO ALVAREZCONCEJALES DE DISTRITO SUPLENTES2020DESPERTAR ALAJUELENSEsubstitute
LUIS EMILIO HERNANDEZ LEONSÍNDICOS(AS) PROPIETARIO2016LIBERACIÓN NACIONALprincipal
MARIA LUISA VALVERDE VALVERDESÍNDICOS(AS) SUPLENTE2016LIBERACIÓN NACIONALsubstitute
JUAN JOSE ALFARO CHACONCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
HELLEN VANESSA RODRIGUEZ ARTAVIACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
KEILYN MELISSA ESQUIVEL SOLORZANOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
VICTOR EDUARDO ALFARO ARIASCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
KATIA VARGAS TREJOSCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
MARIO ERNESTO SABORIO RODRIGUEZCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
WILLIAM ESQUIVEL MORACONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
ANA ISABEL HERNANDEZ BRENESCONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute

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-ALAJUELA-SAN-ISIDRO. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sab9efc3b85, costa-rica--Sfa91292290, costa-rica--S9a52b0016f, costa-rica--S79669f3e5d, costa-rica--S437da93588.