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

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Office briefing

SAN JUAN — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · SAN JUAN / HEREDIA · other · Syndic and district council — shared ballotCR-D-HEREDIA-SANTA-BARBARA-SAN-JUAN

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 JUAN / HEREDIA
Next election
2028-02-06
Linked upcoming event
next-9db4882256f71cc8833efe3c
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 NACIONAL40.1%
  • REPUBLICANO SOCIAL CRISTIANO27.2%
  • NUEVA GENERACIÓN26.4%
  • NUEVA REPÚBLICA6.3%
Results for event-da52a8bd1d63c58dcd6ebb6d
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202467640.1%4Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sc1df243471/202445927.2%1Recorded
NUEVA GENERACIÓNcosta-rica/Sc1df243471/202444426.4%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sc1df243471/20241066.3%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA29.6%
  • LIBERACIÓN NACIONAL19.9%
  • NUEVA GENERACIÓN15.7%
  • REPUBLICANO SOCIAL CRISTIANO7.5%
  • ACCIÓN CIUDADANA7.5%
  • NUEVA REPÚBLICA7.2%
  • ALIANZA DEMÓCRATA CRISTIANA5.4%
  • FRENTE AMPLIO4.7%
  • RESTAURACIÓN NACIONAL2.7%
Results for event-f52169ac1f5eaf159644a125
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/202058729.6%3Recorded
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202039519.9%1Recorded
NUEVA GENERACIÓNcosta-rica/Sfa91292290/202031115.7%1Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/20201497.5%0 (recorded zero)Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/20201487.5%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/20201427.2%0 (recorded zero)Recorded
ALIANZA DEMÓCRATA CRISTIANAcosta-rica/Sfa91292290/20201085.4%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/Sfa91292290/2020934.7%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/2020532.7%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • REPUBLICANO SOCIAL CRISTIANO23.1%
  • LIBERACIÓN NACIONAL21.3%
  • NUEVA GENERACIÓN14.0%
  • UNIDAD SOCIAL CRISTIANA12.9%
  • ACCIÓN CIUDADANA12.8%
  • FRENTE AMPLIO10.1%
  • MOVIMIENTO LIBERTARIO5.8%
Results for event-bd923dad364318fe696bada7
Label / candidateParty codeVotesShareSeatsStatus
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/201641323.1%2Recorded
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/201638121.3%1Recorded
NUEVA GENERACIÓNcosta-rica/S79669f3e5d/201625114%0 (recorded zero)Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/201623112.9%1Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/201622812.8%1Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/201618010.1%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/20161045.8%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

45.970–100 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=12.878338278931754, oldest_gap=1.78970917225951, previous_gap=9.667673716012086

pedersen volatility

Provisional volatility

45.22percentage 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=[[40.118694362017806,0,0,0,0,6.29080118694362,0,0,0,27.240356083086052,0,0,26.35014836795252],[19.88922457200403,29.556898288016114,7.452165156092649,4.682779456193353,2.6686807653575024,7.150050352467271,0,0,0,7.502517623363545,0,0,21.097683786505538],[21.308724832214764,12.919463087248323,12.751677852348994,10.06711409395973,0,0,5.8165548098434,0,0,23.098434004474274,0,0,14.038031319910514]]

pedersen volatility

Provisional volatility

33.52percentage 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=[[40.118694362017806,0,0,0,0,6.29080118694362,0,0,0,27.240356083086052,0,0,26.35014836795252],[19.88922457200403,29.556898288016114,7.452165156092649,4.682779456193353,2.6686807653575024,7.150050352467271,0,0,0,7.502517623363545,0,0,21.097683786505538],[21.308724832214764,12.919463087248323,12.751677852348994,10.06711409395973,0,0,5.8165548098434,0,0,23.098434004474274,0,0,14.038031319910514]]

pedersen volatility

Provisional volatility

39.37percentage 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=[[40.118694362017806,0,0,0,0,6.29080118694362,0,0,0,27.240356083086052,0,0,26.35014836795252],[19.88922457200403,29.556898288016114,7.452165156092649,4.682779456193353,2.6686807653575024,7.150050352467271,0,0,0,7.502517623363545,0,0,21.097683786505538],[21.308724832214764,12.919463087248323,12.751677852348994,10.06711409395973,0,0,5.8165548098434,0,0,23.098434004474274,0,0,14.038031319910514]]

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?
FIORELA ALEJANDRA SALAS ARAYASINDICATURAS PROPIETARIA2024LIBERACIÓN NACIONALprincipal
HEINER MOREIRA ULATESINDICATURAS SUPLENTE2024LIBERACIÓN NACIONALsubstitute
KEVIN ENMANUEL QUINTANILLA ESCAMILLACONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
LAURA VANESSA HERNANDEZ MURILLOCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
XENIA MARIA ARAYA QUIROSCONCEJALÍAS DE DISTRITO PROPIETARIAS2024REPUBLICANO SOCIAL CRISTIANOprincipal
EMANUEL DE JESUS VEGA CASTROCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
GINA MARIA MONTERO MORALESCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
HEINER GERARDO UGALDE ALFAROCONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
ADRIANA MARIA GARRO ARCECONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
HENRY ALBERTO ALFARO CONEJOSÍNDICOS(AS) PROPIETARIO2020UNIDAD SOCIAL CRISTIANAprincipal
PATRICIA LORENA BLANCO ARROYOSÍNDICOS(AS) SUPLENTE2020UNIDAD SOCIAL CRISTIANAsubstitute
SEBASTIAN MOREIRA ARAYACONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
VIVIANA ALVARADO ARIASCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
KAREN VANESSA RODRIGUEZ GONZALEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
MARIA ANITA RAMIREZ SANDICONCEJALES DE DISTRITO PROPIETARIOS(AS)2020NUEVA GENERACIÓNprincipal
YAMILETH HERNANDEZ ZUÑIGACONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
ROY ALONSO CHAVARRIA RODRIGUEZCONCEJALES DE DISTRITO SUPLENTES2020NUEVA GENERACIÓNsubstitute
JAVIER ANTONIO ALFARO CHAVESSÍNDICOS(AS) PROPIETARIO2016REPUBLICANO SOCIAL CRISTIANOprincipal
CARLA VANESSA ARAYA RODRIGUEZSÍNDICOS(AS) SUPLENTE2016REPUBLICANO SOCIAL CRISTIANOsubstitute
NIDIA ROSA ALFARO ARIASCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016REPUBLICANO SOCIAL CRISTIANOprincipal
LEONARDO SANCHEZ MOREIRACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
KAREN MARIA HERRERA SANCHEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
ROSAURA MARIA GARRO VARGASCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016ACCIÓN CIUDADANAprincipal
VICTOR MANUEL ARAYA ARAYACONCEJALES DE DISTRITO SUPLENTES2016REPUBLICANO SOCIAL CRISTIANOsubstitute
MARCO TULIO VARGAS ARTAVIACONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
JUAN EVARISTO MUÑOZ MURILLOCONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
JOSE PABLO HERNANDEZ RODRIGUEZCONCEJALES 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 JUAN — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-HEREDIA-SANTA-BARBARA-SAN-JUAN. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sf6843b6eaf, costa-rica--Sfa91292290, costa-rica--S8184b8d295, costa-rica--S79669f3e5d, costa-rica--S51d022c29b.