Skip to observatory content

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

Office briefing

LAS ROSAS — Municipal council / communal commission

Tracked current office. Identifiers stay separate from display names.

Argentina · LAS ROSAS / Santa Fe — BELGRANO · municipal · Municipal council / communal commissionAR-SF-C-BELGRANO-LASROSAS

Read the complete original research briefing

Formal 2027 polling date is pending. Law 14,436 governs the 2027 transition. Local choices about council structure can remain open until 30 November 2026. Official votes and elected rosters are retained. Council counts describe elected cohorts. Current governing membership and later replacements require verification.

1. What office, where, and when is the next election?

Geography
LAS ROSAS / Santa Fe — BELGRANO
Next election
2027; formal call pending
Linked upcoming event
next-3fe44f7b19f92e92d25ccaa8
Registry qualification
Unknown

2. How certain is that date?

2027; formal call pending is expected (not formally called). Year precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2025-06-29

Ordinary · Legal certification not established · list votes

  • UNIDAD ROSENSE42.5%
  • UNIDOS PARA CAMBIAR SANTA FE32.1%
  • MÁS PARA SANTA FE19.9%
  • ACTIVEMOS5.5%
Results for event-2baf3ab81f5cdfa5b7b8f0e5
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD ROSENSE2argentina/Sa9a75bad2b02/20252,35942.5%2Recorded
UNIDOS PARA CAMBIAR SANTA FE78argentina/Sa9a75bad2b02/20251,78032.1%1Recorded
MÁS PARA SANTA FE8argentina/Sa9a75bad2b02/20251,10119.9%0 (recorded zero)Recorded
ACTIVEMOS14argentina/Sa9a75bad2b02/20253055.5%0 (recorded zero)Recorded

2023-09-10

Ordinary · Legal certification not established · list votes

  • UNIDAD ROSENSE49.3%
  • JUNTOS AVANCEMOS26.9%
  • UNIDOS PARA CAMBIAR SANTA FE23.7%
Results for event-a0877c2bca6efa1dd08b578c
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD ROSENSE62argentina/Sd5731ccd0603/20233,77749.3%2Recorded
JUNTOS AVANCEMOS83argentina/Sd5731ccd0603/20232,06126.9%1Recorded
UNIDOS PARA CAMBIAR SANTA FE102argentina/Sd5731ccd0603/20231,81823.7%0 (recorded zero)Recorded

2021-11-14

Ordinary · Legal certification not established · list votes

  • UNIDAD ROSENSE41.7%
  • FRENTE DE TODOS24.3%
  • JUNTOS POR EL CAMBIO21.8%
  • FRENTE FEDERAL VIDA Y FAMILIA7.4%
  • FRENTE PROGRESISTA CÍVICO Y SOCIAL4.9%
Results for event-4e44c3a414d1543241e8ede8
Label / candidateParty codeVotesShareSeatsStatus
UNIDAD ROSENSE118argentina/Sba79caf86eec/20213,20541.7%1Recorded
FRENTE DE TODOS31argentina/Sba79caf86eec/20211,87024.3%1Recorded
JUNTOS POR EL CAMBIO105argentina/Sba79caf86eec/20211,67721.8%1Recorded
FRENTE FEDERAL VIDA Y FAMILIA25argentina/Sba79caf86eec/20215667.4%0 (recorded zero)Recorded
FRENTE PROGRESISTA CÍVICO Y SOCIAL18argentina/Sba79caf86eec/20213774.9%0 (recorded zero)Recorded

Other events (not selected cycles)

  • 2017-10-22 · Ordinary · Legal certification not established
  • 2019-06-16 · Ordinary · Legal certification not established
  • 2015-06-14 · Ordinary · Legal certification not established

4. Competition and volatility

competition index

Provisional imported-series CI

26.380–100 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=10.441839495040583, oldest_gap=17.348927875243668, previous_gap=22.413793103448274

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Latest interval, vectors=[null,null,null]

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. 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=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Previous interval, vectors=[null,null,null]

pedersen volatility

Withheld volatility

Unknownpercentage points

Grouped Pedersen lower bound (percentage points). Nine exact standalone party-name categories in the archived returns; accents normalized. Provincial alliances and renamed coalitions remain Other. A category records its published name, not a verified legal succession or inferred allocation of alliance votes. 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=["PARTIDO JUSTICIALISTA","UNION CIVICA RADICAL","PARTIDO SOCIALISTA","PRO - PROPUESTA REPUBLICANA","COALICION CIVICA - AFIRMACION PARA UNA REPUBLICA IGUALITARIA","GEN","PARTIDO OBRERO","PARTIDO DE LOS TRABAJADORES SOCIALISTAS","MOVIMIENTO SOCIALISTA DE LOS TRABAJADORES","Other"], interval=Both intervals mean, vectors=[null,null,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?
MILLET CRISTINA ELENASource roster entry2015Unknownunknown
MARENTES ALEJANDROSource roster entry2015Unknownunknown
RICCIARDI PAOLA MERCEDESSource roster entry2015Unknownunknown
AQUINO NESTOR JAVIERSource roster entry2021Unknownunknown
BLANCO MARTIN ALBERTOSource roster entry2021Unknownunknown
PIETRACUPA JUAN FRANCOSource roster entry2021Unknownunknown
AQUINO NESTOR JAVIERCONCEJAL2017CAMBIEMOSunknown
GELADA ABEL GERMANCONCEJAL2017CAMBIEMOSunknown
HERRERA SILVANA MARIA DE LUJANCONCEJAL2017CAMBIEMOSunknown
MILLET CRISTINA ELENACONCEJAL2019UNIDAD ROSENSEunknown
DIGNANI ENRIQUE SANTOSCONCEJAL2019UNIDAD ROSENSEunknown
RICCARDI PAOLA MERCEDESCONCEJAL2019JUNTOSunknown
INVERNIZZI GUSTAVO RUBENConcejal/a2023UNIDAD ROSENSEunknown
DI SANTO MARCOS ALBERTOConcejal/a2023JUNTOS AVANCEMOSunknown
VALLEJO BRUNO VALENTINAConcejal/a2023UNIDAD ROSENSEunknown
MENDOZA PEDRO GERMANConcejal/a2025UNIDAD ROSENSEunknown
PIETRACUPA JUAN FRANCOConcejal/a2025UNIDOS PARA CAMBIAR SANTA FEunknown
RAMIREZ DAIANA MARISOLConcejal/a2025UNIDAD ROSENSEunknown

6. Polling context

No local poll supplied.

National context is listed on the polling page. It is not a local forecast.

7. Unresolved issues and sources

Formal 2027 polling date is pending. Law 14,436 governs the 2027 transition. Local choices about council structure can remain open until 30 November 2026. Official votes and elected rosters are retained. Council counts describe elected cohorts. Current governing membership and later replacements require verification. Missing older local results in several provincial datasets, full seat proclamations, intervened/replacement contests and dated coalition control. Many municipalities vote separately from provincial election day. Final 2027 calls remain subject to official publication. Ten Catamarca 2023 local returns now have primary provisional counts; final certification and older cycles are still missing. DINE 2015 download has no Catamarca local records. Entre Ríos final national consultation warns that foreign-voter tables are excluded. Neuquén final-file links returned access-denied responses; several older links point to private or defunct hosts.

  • other · open

    2019 locality result empty: {"issue": "2019 locality result empty", "name": "Distrito Tala-Sarandí", "code": "0079C"}

  • other · open

    Earlier same-election publication superseded: {"id": "AR-TU-D-OESTE", "year": 2019, "issue": "Earlier same-election publication superseded", "selected_publication": "2019-07-02", "discarded_publications": ["2019-06-15"]}

  • other · open

    Archive navigation year differs from date printed in source: {"file": "ar_formosa_2017_archivo_542.pdf", "issue": "Archive navigation year differs from date printed in source", "navigation_year": 2017, "source_date": "2019-06-16"}

Sources

Cite this record

Center for Digital Democracy. “LAS ROSAS — Municipal council / communal commission.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/AR-SF-C-BELGRANO-LASROSAS. Sources: argentina--url-37c2f32beac05e8dc61453fe, argentina--url-c59a56523176464d6aa95c66, argentina--url-7711fe429340eb6e010c8b76, argentina--url-5f87e101c11beb3c13ee782c, argentina--url-5a55b3b32d7b3d501f49fde7, argentina--url-83d3a3f387e421d4188170df, argentina--url-d7161d241341725861e1307d, argentina--Sa9a75bad2b02, argentina--S6cbb0ff8bc14, argentina--Sd5731ccd0603, argentina--S6c0f4226a3e8, argentina--Sba79caf86eec, argentina--S3abb91a57865, argentina--Sa3b7b35e32ee, argentina--S492e928e5e7e, argentina--S425b76ef9089, argentina--Sf3a1f8fa36ef.