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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 / HEREDIA · other · Syndic and district council — shared ballotCR-D-HEREDIA-SAN-ISIDRO-SAN-ISIDRO

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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
SAN ISIDRO / HEREDIA
Next election
2028-02-06
Linked upcoming event
next-68a70840eacb9f0cfb982aaf
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

  • AVANCE ISIDREÑO36.3%
  • LIBERACIÓN NACIONAL26.5%
  • UNIDAD SOCIAL CRISTIANA25.2%
  • LIBERAL PROGRESISTA7.5%
  • AQUÍ COSTA RICA MANDA4.6%
Results for event-3bf0b0d00499abf40b92671f
Label / candidateParty codeVotesShareSeatsStatus
AVANCE ISIDREÑOcosta-rica/Sc1df243471/20241,15436.3%3Recorded
LIBERACIÓN NACIONALcosta-rica/Sc1df243471/202484126.5%1Recorded
UNIDAD SOCIAL CRISTIANAcosta-rica/Sc1df243471/202480125.2%1Recorded
LIBERAL PROGRESISTAcosta-rica/Sc1df243471/20242377.5%0 (recorded zero)Recorded
AQUÍ COSTA RICA MANDAcosta-rica/Sc1df243471/20241464.6%0 (recorded zero)Recorded

2020-02-02

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA48.1%
  • LIBERACIÓN NACIONAL27.2%
  • UNIDOS PODEMOS8.7%
  • ACCIÓN CIUDADANA8.5%
  • NUEVA REPÚBLICA4.5%
  • RESTAURACIÓN NACIONAL1.9%
  • REPUBLICANO SOCIAL CRISTIANO1.0%
Results for event-9ba3c02e1e3add1cbd754ae4
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/Sfa91292290/20201,38148.1%3Recorded
LIBERACIÓN NACIONALcosta-rica/Sfa91292290/202078227.2%2Recorded
UNIDOS PODEMOScosta-rica/Sfa91292290/20202508.7%0 (recorded zero)Recorded
ACCIÓN CIUDADANAcosta-rica/Sfa91292290/20202448.5%0 (recorded zero)Recorded
NUEVA REPÚBLICAcosta-rica/Sfa91292290/20201294.5%0 (recorded zero)Recorded
RESTAURACIÓN NACIONALcosta-rica/Sfa91292290/2020551.9%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/Sfa91292290/2020291%0 (recorded zero)Recorded

2016-02-07

Ordinary · Legal certification not established · list votes

  • UNIDAD SOCIAL CRISTIANA51.3%
  • LIBERACIÓN NACIONAL30.1%
  • ACCIÓN CIUDADANA8.9%
  • FRENTE AMPLIO7.2%
  • REPUBLICANO SOCIAL CRISTIANO1.3%
  • MOVIMIENTO LIBERTARIO1.1%
Results for event-1246ef6cc29c7ba5c20a7417
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD SOCIAL CRISTIANAcosta-rica/S79669f3e5d/20161,72251.3%3Recorded
LIBERACIÓN NACIONALcosta-rica/S79669f3e5d/20161,01030.1%2Recorded
ACCIÓN CIUDADANAcosta-rica/S79669f3e5d/20162978.9%0 (recorded zero)Recorded
FRENTE AMPLIOcosta-rica/S79669f3e5d/20162437.2%0 (recorded zero)Recorded
REPUBLICANO SOCIAL CRISTIANOcosta-rica/S79669f3e5d/2016451.3%0 (recorded zero)Recorded
MOVIMIENTO LIBERTARIOcosta-rica/S79669f3e5d/2016381.1%0 (recorded zero)Recorded

4. Competition and volatility

competition index

Provisional imported-series CI

28.540–100 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=9.845863479081473, oldest_gap=21.222056631892695, previous_gap=20.87108013937282

pedersen volatility

Provisional volatility

39.64percentage 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=[[26.45486001887386,25.196602705253223,0,0,0,0,0,0,0,0,7.455174583202265,0,40.89336269267065],[27.247386759581882,48.1184668989547,8.501742160278745,0,1.916376306620209,4.494773519163763,0,0,0,1.0104529616724738,0,0,8.710801393728223],[30.104321907600596,51.32637853949329,8.852459016393443,7.242921013412817,0,0,1.1326378539493294,0,0,1.3412816691505216,0,0,0]]

pedersen volatility

Provisional volatility

15.12percentage 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=[[26.45486001887386,25.196602705253223,0,0,0,0,0,0,0,0,7.455174583202265,0,40.89336269267065],[27.247386759581882,48.1184668989547,8.501742160278745,0,1.916376306620209,4.494773519163763,0,0,0,1.0104529616724738,0,0,8.710801393728223],[30.104321907600596,51.32637853949329,8.852459016393443,7.242921013412817,0,0,1.1326378539493294,0,0,1.3412816691505216,0,0,0]]

pedersen volatility

Provisional volatility

27.38percentage 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=[[26.45486001887386,25.196602705253223,0,0,0,0,0,0,0,0,7.455174583202265,0,40.89336269267065],[27.247386759581882,48.1184668989547,8.501742160278745,0,1.916376306620209,4.494773519163763,0,0,0,1.0104529616724738,0,0,8.710801393728223],[30.104321907600596,51.32637853949329,8.852459016393443,7.242921013412817,0,0,1.1326378539493294,0,0,1.3412816691505216,0,0,0]]

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?
ESTEBAN EDUARDO VARGAS SALAZARSINDICATURAS PROPIETARIO2024AVANCE ISIDREÑOprincipal
AMINTA DE LOS ANGELES CONDE HERNANDEZSINDICATURAS SUPLENTE2024AVANCE ISIDREÑOsubstitute
OLGA NIDIA HERNANDEZ CHAVESCONCEJALÍAS DE DISTRITO PROPIETARIAS2024AVANCE ISIDREÑOprincipal
EDUARDO UGALDE SOLANOCONCEJALÍAS DE DISTRITO PROPIETARIAS2024AVANCE ISIDREÑOprincipal
SONIA VILLALOBOS VILLALOBOSCONCEJALÍAS DE DISTRITO PROPIETARIAS2024LIBERACIÓN NACIONALprincipal
JOSE ALBERTO MADRIGAL VEGACONCEJALÍAS DE DISTRITO PROPIETARIAS2024UNIDAD SOCIAL CRISTIANAprincipal
KAREN ARAYA GONZALEZCONCEJALÍAS DE DISTRITO SUPLENTES2024AVANCE ISIDREÑOsubstitute
JOSE MANUEL AGUILAR OROZCOCONCEJALÍAS DE DISTRITO SUPLENTES2024AVANCE ISIDREÑOsubstitute
CAROL CRISTINA MAYORGA ZAMORACONCEJALÍAS DE DISTRITO SUPLENTES2024LIBERACIÓN NACIONALsubstitute
JASIR EDUARDO GOMEZ LEONCONCEJALÍAS DE DISTRITO SUPLENTES2024UNIDAD SOCIAL CRISTIANAsubstitute
LUIS ALBERTO ACUÑA CERDASSÍNDICOS(AS) PROPIETARIO2020UNIDAD SOCIAL CRISTIANAprincipal
MARIA ISABEL RODRIGUEZ GONZALEZSÍNDICOS(AS) SUPLENTE2020UNIDAD SOCIAL CRISTIANAsubstitute
JOSE ALBERTO MADRIGAL VEGACONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
MARIA DE LOS ANGELES BARQUERO MASISCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020UNIDAD SOCIAL CRISTIANAprincipal
ALAN BRAVO GUTIERREZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
GISSELLE ORTIZ SOLISCONCEJALES DE DISTRITO PROPIETARIOS(AS)2020LIBERACIÓN NACIONALprincipal
KIMBERLING VANESSA MOLINA MATACONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
SERGIO SABORIO PORRASCONCEJALES DE DISTRITO SUPLENTES2020UNIDAD SOCIAL CRISTIANAsubstitute
MARJORIE BENAVIDES FONSECACONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
FRANCISCO ANTONIO ZAMORA VARGASCONCEJALES DE DISTRITO SUPLENTES2020LIBERACIÓN NACIONALsubstitute
AURA VIOLETA ACOSTA MONTEROSÍNDICOS(AS) PROPIETARIA2016UNIDAD SOCIAL CRISTIANAprincipal
LUIS ALBERTO ACUÑA CERDASSÍNDICOS(AS) SUPLENTE2016UNIDAD SOCIAL CRISTIANAsubstitute
RUDDY STEVE VILLALOBOS CAMPOSCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
MARIA ISABEL RODRIGUEZ GONZALEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016UNIDAD SOCIAL CRISTIANAprincipal
NADIA LUZ FONSECA FONSECACONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
ERNESTO ALONSO RUIZ RODRIGUEZCONCEJALES DE DISTRITO PROPIETARIOS(AS)2016LIBERACIÓN NACIONALprincipal
ANA GUISELLE ZAMORA VINDASCONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
MARVIN GARCIA CHACONCONCEJALES DE DISTRITO SUPLENTES2016UNIDAD SOCIAL CRISTIANAsubstitute
PABLO ESTEBAN VILLALOBOS FONSECACONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute
SARAY VIOLETA VARGAS MENDEZCONCEJALES DE DISTRITO SUPLENTES2016LIBERACIÓN NACIONALsubstitute

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-HEREDIA-SAN-ISIDRO-SAN-ISIDRO. Sources: costa-rica--url-ae6cfb21525f974d8912a00e, costa-rica--url-9b0bf8940eb485b811da317e, costa-rica--url-f8a1e09c9e89a7e5e9c55114, costa-rica--Sc1df243471, costa-rica--Sfac578c5a0, costa-rica--Sfa91292290, costa-rica--S0ed3a8fae2, costa-rica--S79669f3e5d, costa-rica--S9b11517c87.