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

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Office briefing

EL ROSARIO — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · EL ROSARIO / ALAJUELA · other · Syndic and district council — shared ballotCR-D-ALAJUELA-NARANJO-EL-ROSARIO

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
EL ROSARIO / ALAJUELA
Next election
2028-02-06
Linked upcoming event
next-8a08a5dd40f967d75ef5d984
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 NACIONAL33.6%
  • UNIDAD SOCIAL CRISTIANA31.9%
  • AQUÍ COSTA RICA MANDA23.0%
  • NUEVA REPÚBLICA11.5%
Results for event-d673c94dfb89823308fa3903
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202435033.6%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202433231.9%1Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/202423923%1Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/202412011.5%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA31.3%
  • ACCIÓN CIUDADANA27.5%
  • LIBERACIÓN NACIONAL14.0%
  • NUEVA GENERACIÓN13.4%
  • REPUBLICANO SOCIAL CRISTIANO4.6%
  • INTEGRACIÓN NACIONAL4.2%
  • NUEVA REPÚBLICA4.0%
  • ACCIÓN NARANJEÑA1.0%
Results for event-00821aeb49f8333d42bbab94
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202034931.3%3Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/202030627.5%1Recorded
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202015614%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/Sfa91292290/202014913.4%1Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/2020514.6%0 (recorded zero)Recorded
INTEGRACIÓN NACIONALcosta-rica/Sfa91292290/2020474.2%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/2020454%0 (recorded zero)Recorded
ACCIÓN NARANJEÑAcosta-rica/Sfa91292290/2020111%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • ACCIÓN CIUDADANA28.5%
  • LIBERACIÓN NACIONAL16.3%
  • UNIDAD SOCIAL CRISTIANA14.8%
  • REPUBLICANO SOCIAL CRISTIANO14.7%
  • RENOVACIÓN COSTARRICENSE11.8%
  • INTEGRACIÓN NACIONAL8.8%
  • FRENTE AMPLIO3.8%
  • MOVIMIENTO LIBERTARIO1.3%
Results for event-133656c526fda9293022b5ea
Label / candidateParty codeVotesShareSeatsStatus
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/201629628.5%2Recorded
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/201616916.3%1Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/201615414.8%1Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/201615314.7%1Recorded
RENOVACIÓN COSTARRICENSEcosta-rica/S79669f3e5d/201612311.8%0 (recorded zero)Recorded
INTEGRACIÓN NACIONALcosta-rica/S79669f3e5d/2016918.8%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/2016403.8%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/2016131.3%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

82.910–100 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=1.7291066282420786, oldest_gap=12.223291626564002, previous_gap=3.85996409335727

pedersen volatility

Provisional volatility

36.27percentage 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: 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=[[33.62151777137368,31.892411143131604,0,0,0,11.527377521613833,0,0,0,0,0,0,22.958693563880885],[14.00359066427289,31.328545780969478,27.468581687612208,0,0,4.039497307001795,0,4.21903052064632,0,4.578096947935368,0,0,14.362657091561939],[16.265640038498557,14.821944177093359,28.48893166506256,3.8498556304138596,0,0,1.2512030798845044,8.75842155919153,0,14.725697786333013,0,0,11.838306063522618]]

pedersen volatility

Provisional volatility

23.07percentage 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=[[33.62151777137368,31.892411143131604,0,0,0,11.527377521613833,0,0,0,0,0,0,22.958693563880885],[14.00359066427289,31.328545780969478,27.468581687612208,0,0,4.039497307001795,0,4.21903052064632,0,4.578096947935368,0,0,14.362657091561939],[16.265640038498557,14.821944177093359,28.48893166506256,3.8498556304138596,0,0,1.2512030798845044,8.75842155919153,0,14.725697786333013,0,0,11.838306063522618]]

pedersen volatility

Provisional volatility

29.67percentage 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=[[33.62151777137368,31.892411143131604,0,0,0,11.527377521613833,0,0,0,0,0,0,22.958693563880885],[14.00359066427289,31.328545780969478,27.468581687612208,0,0,4.039497307001795,0,4.21903052064632,0,4.578096947935368,0,0,14.362657091561939],[16.265640038498557,14.821944177093359,28.48893166506256,3.8498556304138596,0,0,1.2512030798845044,8.75842155919153,0,14.725697786333013,0,0,11.838306063522618]]

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 MARIA SOLIS CASTROSINDICATURA PROPIETARIA2024LIBERACIÓN NACIONALprincipal
JESUS ESTEBAN ALCAZAR HERNANDEZSINDICATURA SUPLENTE2024LIBERACIÓN NACIONALsubstitute
CLAUDIA MARIA MORRAZ MANZANARESCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024LIBERACIÓN NACIONALprincipal
TRINIDAD ARAYA BARQUEROCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024LIBERACIÓN NACIONALprincipal
KATIA MARIA PEREZ MORALESCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024UNIDAD SOCIAL CRISTIANAprincipal
ALEJANDRO ALFARO PEREZCONCEJALÍAS DE DISTRITO PROPIETARIOS(AS)2024AQUÍ COSTA RICA MANDAprincipal
KERLIN NOELIA ARAYA HERNANDEZCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
OLIVIER GERARDO MORA CASTROCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
ANNIA MERCEDES PEREZ BARQUEROCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
GREIVIN PORRAS PEREZCONCEJALÍAS DE DISTRITO SUPLENTES2024AQUÍ COSTA RICA MANDAsubstitute
CLAUDIO SALAZAR JARASÍNDICOS(AS) PROPIETARIO2020UNIDAD SOCIAL CRISTIANAprincipal
VIRGINIA CASTRO NAVARROSÍNDICOS(AS) SUPLENTE2020UNIDAD SOCIAL CRISTIANAsubstitute
MIRIAM MEJIAS PEREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
JUAN GUILLERMO MADRIGAL MORALESCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
PAOLA CASTRO ALFAROCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020ACCIÓN CIUDADANAprincipal
CARLOS ALBERTO PORRAS RAMIREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020NUEVA GENERACIÓNprincipal
MONICA MARIA ALCAZAR MADRIGALCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
RANDALL DE JESUS MURILLO CHACONCONCEJALES DE DISTRITO SUPLENTES2020ACCIÓN CIUDADANAsubstitute
MERLIN TATIANA CAMBRONERO RODRIGUEZCONCEJALES DE DISTRITO SUPLENTES2020NUEVA GENERACIÓNsubstitute
ALEJANDRO ALFARO PEREZSÍNDICOS(AS) PROPIETARIO2016ACCIÓN CIUDADANAprincipal
MARIA EMILIET AVILA HERNANDEZSÍNDICOS(AS) SUPLENTE2016ACCIÓN CIUDADANAsubstitute
JONATHAN PEREZ MORACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
CARLOS ALBERTO PORRAS RAMIREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
FRANCINI MARIA SOLIS GUTIERREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
JUAN JOSE PEREZ CASTROCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016REPUBLICANO SOCIAL CRISTIANOprincipal
JESUS ALBERTO RIVERA VILLALOBOSCONCEJALES DE DISTRITO SUPLENTES2016ACCIÓN CIUDADANAsubstitute
MARIA YADIRA ALCAZAR HERNANDEZCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
JAVIER FERNANDEZ MIRANDACONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
KATIA MARIA PEREZ VEGACONCEJALES DE DISTRITO SUPLENTES2016REPUBLICANO SOCIAL CRISTIANOsubstitute

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. “EL ROSARIO — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-ALAJUELA-NARANJO-EL-ROSARIO. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--S417ce30162, costa-rica--Sfa91292290, costa-rica--S1e4a0f04da, costa-rica--S79669f3e5d, costa-rica--S1f7e491d3c.