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

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Office briefing

MERCEDES — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · MERCEDES / HEREDIA · other · Syndic and district council — shared ballotCR-D-HEREDIA-HEREDIA-MERCEDES

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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
MERCEDES / HEREDIA
Next election
2028-02-06
Linked upcoming event
next-9ad8c6795b4e8a2bff7eb471
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 NACIONAL36.0%
  • UNIDAD SOCIAL CRISTIANA18.0%
  • SENTIR HEREDIA10.5%
  • PROGRESO SOCIAL DEMOCRÁTICO6.9%
  • LIBERAL PROGRESISTA5.9%
  • NUESTRO PUEBLO5.8%
  • AQUÍ COSTA RICA MANDA5.2%
  • REPUBLICANO SOCIAL CRISTIANO4.7%
  • AGENDA DEMOCRÁTICA NACIONAL3.7%
  • NUEVA REPÚBLICA2.3%
  • PUEBLO SOBERANO1.1%
Results for event-2f50cab8b487891c42e18a65
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/20242,21236%3Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/20241,10718%2Recorded
SENTIR HEREDIAcosta-rica/Sc1df243471/202464310.5%0 (recorded zero)Recorded
PROGRESO SOCIAL DEMOCRÁTICOcosta-rica/Sc1df243471/20244246.9%0 (recorded zero)Recorded
LIBERAL PROGRESISTAcosta-rica/Sc1df243471/20243605.9%0 (recorded zero)Recorded
NUESTRO PUEBLOcosta-rica/Sc1df243471/20243555.8%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/20243205.2%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sc1df243471/20242924.7%0 (recorded zero)Recorded
AGENDA DEMOCRÁTICA NACIONALcosta-rica/Sc1df243471/20242303.7%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/20241402.3%0 (recorded zero)Recorded
PUEBLO SOBERANOcosta-rica/Sc1df243471/2024661.1%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL49.4%
  • UNIDAD SOCIAL CRISTIANA12.5%
  • SENTIR HEREDIA9.5%
  • ACCIÓN CIUDADANA7.9%
  • REPUBLICANO SOCIAL CRISTIANO4.9%
  • UNIDOS PODEMOS4.9%
  • FRENTE AMPLIO4.4%
  • NUEVA REPÚBLICA4.1%
  • RESTAURACIÓN NACIONAL1.6%
  • INTEGRACIÓN NACIONAL0.9%
Results for event-8b694a426999db504dfa152b
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/20203,50649.4%4Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202088412.5%1Recorded
SENTIR HEREDIAcosta-rica/Sfa91292290/20206759.5%0 (recorded zero)Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/20205597.9%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/20203474.9%0 (recorded zero)Recorded
UNIDOS PODEMOScosta-rica/Sfa91292290/20203464.9%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/Sfa91292290/20203104.4%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/20202894.1%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/20201111.6%0 (recorded zero)Recorded
INTEGRACIÓN NACIONALcosta-rica/Sfa91292290/2020630.9%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL49.6%
  • UNIDAD SOCIAL CRISTIANA24.0%
  • ACCIÓN CIUDADANA7.2%
  • FRENTE AMPLIO5.7%
  • NUEVA GENERACIÓN5.4%
  • REPUBLICANO SOCIAL CRISTIANO3.7%
  • MOVIMIENTO LIBERTARIO2.8%
  • RENOVACIÓN COSTARRICENSE1.7%
Results for event-0eb09543ab65921c900e6cf1
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20163,42849.6%4Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/20161,65524%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20164947.2%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/20163975.7%0 (recorded zero)Recorded
NUEVA GENERACIÓNcosta-rica/S79669f3e5d/20163715.4%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/20162583.7%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/20161922.8%0 (recorded zero)Recorded
RENOVACIÓN COSTARRICENSEcosta-rica/S79669f3e5d/20161141.7%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=17.970401691331926, oldest_gap=25.662179765523234, previous_gap=36.98166431593794

pedersen volatility

Provisional volatility

30.13percentage 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=[[35.97332899658481,18.002927305252886,0,0,0,2.276792974467393,0,0,0,4.748739632460563,5.854610505773296,6.8954301512441045,26.24817043421695],[49.44992947813822,12.468265162200282,7.884344146685472,4.372355430183357,1.5655853314527504,4.076163610719323,0,0.8885754583921015,0,4.894217207334274,0,0,14.400564174894217],[49.6164423216095,23.954262556086263,7.150094080185266,5.7461282385294545,0,0,2.7789839339991316,0,0,3.734259661311333,0,0,7.019829208279056]]

pedersen volatility

Provisional volatility

15.81percentage 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: 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=[[35.97332899658481,18.002927305252886,0,0,0,2.276792974467393,0,0,0,4.748739632460563,5.854610505773296,6.8954301512441045,26.24817043421695],[49.44992947813822,12.468265162200282,7.884344146685472,4.372355430183357,1.5655853314527504,4.076163610719323,0,0.8885754583921015,0,4.894217207334274,0,0,14.400564174894217],[49.6164423216095,23.954262556086263,7.150094080185266,5.7461282385294545,0,0,2.7789839339991316,0,0,3.734259661311333,0,0,7.019829208279056]]

pedersen volatility

Provisional volatility

22.97percentage 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: 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=[[35.97332899658481,18.002927305252886,0,0,0,2.276792974467393,0,0,0,4.748739632460563,5.854610505773296,6.8954301512441045,26.24817043421695],[49.44992947813822,12.468265162200282,7.884344146685472,4.372355430183357,1.5655853314527504,4.076163610719323,0,0.8885754583921015,0,4.894217207334274,0,0,14.400564174894217],[49.6164423216095,23.954262556086263,7.150094080185266,5.7461282385294545,0,0,2.7789839339991316,0,0,3.734259661311333,0,0,7.019829208279056]]

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?
HENRY MAURICIO VARGAS CHARPENTIERSINDICATURAS PROPIETARIO2024LIBERACIÓN NACIONALprincipal
KEYNA TATIANA CHINCHILLA AGUILARSINDICATURAS SUPLENTE2024LIBERACIÓN NACIONALsubstitute
JUANA RUIZ ALVAREZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
OSCAR GARITA HERNANDEZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
JENIFER VIVIANA ARGUEDAS PEREZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
MARCO ANTONIO SANCHEZ CAMACHOCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
YAMILETH MEJIA VALENZUELACONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
MARIO GERARDO FUENTES RAMIREZCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
NIKOLE DANIELA HERNANDEZ MADRIGALCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
MANUEL ESTEBAN ARROYO DELGADOCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
HENRY MAURICIO VARGAS CHARPENTIERSÍNDICOS(AS) PROPIETARIO2020LIBERACIÓN NACIONALprincipal
LAURA LORENA CHAVES FLORESSÍNDICOS(AS) SUPLENTE2020LIBERACIÓN NACIONALsubstitute
LUIS ANTONIO VIQUEZ MURILLOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
KEYNA TATIANA CHINCHILLA AGUILARCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
MARIO GERARDO FUENTES RAMIREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
JOHNNY EDUARDO VIQUEZ BRENESCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
MARIA DEL ROCIO PEREZ SAENZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
JORGE ALBERTO CHINCHILLA CASTILLOCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
MARIA JOSE VIQUEZ SOLANOCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
OSCAR GARITA HERNANDEZCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
MARITZA SANDOVAL VEGASÍNDICOS(AS) PROPIETARIA2016LIBERACIÓN NACIONALprincipal
RAFAEL ALBERTO OROZCO HERNANDEZSÍNDICOS(AS) SUPLENTE2016LIBERACIÓN NACIONALsubstitute
ANDREA OBALDIA PICADOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
LUIS ANTONIO VIQUEZ MURILLOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
ALICIA MENA RODRIGUEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
YORDY ALBERTO VIQUEZ ALVARADOCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
YANINE RAMIREZ ROJASCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
LUIS ADOLFO HERNANDEZ RAMIREZCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
KATY VIVIANA VIVES RODRIGUEZCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
INES CESPEDES CAMPOSCONCEJALES 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. “MERCEDES — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-HEREDIA-HEREDIA-MERCEDES. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sfb419ca2b7, costa-rica--Sfa91292290, costa-rica--Sc03f18b1f4, costa-rica--S79669f3e5d, costa-rica--S54bdbf463c.