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

Office briefing

MATAMBÚ — Syndic and district council — shared ballot

Tracked current office. Identifiers stay separate from display names.

Costa Rica · MATAMBÚ / GUANACASTE · other · Syndic and district council — shared ballotCR-D-GUANACASTE-HOJANCHA-MATAMBU

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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
MATAMBÚ / GUANACASTE
Next election
2028-02-06
Linked upcoming event
next-b904482c454f85434d31d1f7
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 CRISTIANA40.7%
  • UNIDOS PODEMOS39.4%
  • LIBERACIÓN NACIONAL9.8%
  • PROGRESO SOCIAL DEMOCRÁTICO7.4%
  • AQUÍ COSTA RICA MANDA2.6%
Results for event-a322025985772dac27b11cd8
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202415440.7%3Recorded
UNIDOS PODEMOScosta-rica/Sc1df243471/202414939.4%2Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/2024379.8%0 (recorded zero)Recorded
PROGRESO SOCIAL DEMOCRÁTICOcosta-rica/Sc1df243471/2024287.4%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/2024102.6%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • LIBERACIÓN NACIONAL56.0%
  • ACCIÓN CIUDADANA44.0%
Results for event-a4a613b698cf1fa6fa29a20e
Label / candidateParty codeVotesShareSeatsStatus
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202023956%3Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/202018844%2Recorded

4. Competition and volatility

competition index

Withheld

Unknown0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Comparison unavailable · 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.

Method ci.weighted-gap.v1. Inputs: latest_gap=1.3227513227513228, oldest_gap=null, previous_gap=11.94379391100702

pedersen volatility

Provisional volatility

90.21percentage 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=[[9.788359788359788,40.74074074074074,0,0,0,0,0,0,0,0,0,7.407407407407407,42.06349206349206],[55.97189695550351,0,44.02810304449649,0,0,0,0,0,0,0,0,0,0],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this 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=[[9.788359788359788,40.74074074074074,0,0,0,0,0,0,0,0,0,7.407407407407407,42.06349206349206],[55.97189695550351,0,44.02810304449649,0,0,0,0,0,0,0,0,0,0],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

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=[[9.788359788359788,40.74074074074074,0,0,0,0,0,0,0,0,0,7.407407407407407,42.06349206349206],[55.97189695550351,0,44.02810304449649,0,0,0,0,0,0,0,0,0,0],null]

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?
JUAN DANIEL AGUIRRE FAJARDOSINDICATURAS PROPIETARIO2024UNIDAD SOCIAL CRISTIANAprincipal
MARIA EDITH VILLAGRA PEREZSINDICATURAS SUPLENTE2024UNIDAD SOCIAL CRISTIANAsubstitute
CLARISETH RODRIGUEZ BLANCOCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
VICENTE AGUIRRE MENDOZACONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
OLMAN JESUS PEREZ PEREZCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDOS PODEMOSprincipal
LEIDY KARINA HERNANDEZ ALEMANCONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDOS PODEMOSprincipal
FLORIBETT MORA BERMUDEZCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
RONNY MAURICIO HERNANDEZ FAJARDOCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
JOSE BIVIAN AGUIRRE PEREZCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDOS PODEMOSsubstitute
YURLEN DEL ROSARIO ALEMAN HERNANDEZCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDOS PODEMOSsubstitute
JAIRO ALEMAN AGUIRRESÍNDICOS(AS) PROPIETARIO2020LIBERACIÓN NACIONALprincipal
VALERIA PATRICIA HERNANDEZ MUÑIZSÍNDICOS(AS) SUPLENTE2020LIBERACIÓN NACIONALsubstitute
RONALD ANTONIO ALEMAN GARCIACONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
CARMEN MARIA GUEVARA HERNANDEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
ALEX ALBERTO ZAMBRANA PEREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020ACCIÓN CIUDADANAprincipal
IVETH SOLANO AGUIRRECONCEJALES DE DISTRITO PROPIETARIOS(AS)2020ACCIÓN CIUDADANAprincipal
MAGALLY RAMIREZ PEREZCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
NELSON ARTURO VILLAGRA ALEMANCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
CLARISETH RODRIGUEZ BLANCOCONCEJALES DE DISTRITO SUPLENTES2020ACCIÓN CIUDADANAsubstitute
PEDRO PABLO PEREZ CASTRILLOCONCEJALES DE DISTRITO SUPLENTES2020ACCIÓN 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. “MATAMBÚ — Syndic and district council — shared ballot.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/CR-D-GUANACASTE-HOJANCHA-MATAMBU. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--Sc1df243471, costa-rica--Sccae693da3, costa-rica--Sfa91292290, costa-rica--S7a2bd7a795.