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

Office briefing

SAN GREGORIO — Municipal mayor/commission joint ballot (2027 transition)

Tracked current office. Identifiers stay separate from display names.

Argentina · SAN GREGORIO / Santa Fe — GENERAL LOPEZ · municipal · Municipal mayor/commission joint ballot (2027 transition)AR-SF-C-GENERALLOPEZ-SANGREGORIO

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. Earlier communal commission returns are predecessor-institution comparisons; the new mayor/commission joint ballot is not an identical office. 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
SAN GREGORIO / Santa Fe — GENERAL LOPEZ
Next election
2027; formal call pending
Linked upcoming event
next-269eb0e08cc87e935afd6938
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

  • UNIDOS POR SAN GREGORIO51.5%
  • UNIDOS PARA CAMBIAR SANTA FE44.7%
  • LA LIBERTAD AVANZA3.8%
Results for event-ff276cb4e8babf94e0040f2d
Label / candidateParty codeVotesShareSeatsStatus
UNIDOS POR SAN GREGORIO77argentina/Sa9a75bad2b02/20251,67751.5%4Recorded
UNIDOS PARA CAMBIAR SANTA FE78argentina/Sa9a75bad2b02/20251,45744.7%1Recorded
LA LIBERTAD AVANZA69argentina/Sa9a75bad2b02/20251233.8%0 (recorded zero)Recorded

2023-09-10

Ordinary · Legal certification not established · list votes

  • UNIDOS POR SAN GREGORIO66.7%
  • UNIDOS PARA CAMBIAR SANTA FE33.3%
Results for event-220e979342908730f59e6ee5
Label / candidateParty codeVotesShareSeatsStatus
UNIDOS POR SAN GREGORIO91argentina/Sd5731ccd0603/20231,78266.7%4Recorded
UNIDOS PARA CAMBIAR SANTA FE102argentina/Sd5731ccd0603/202389133.3%1Recorded

2021-11-14

Ordinary · Legal certification not established · list votes

  • UNIDOS POR SAN GREGORIO59.9%
  • FRENTE DE TODOS40.1%
Results for event-359b834f0a367f3c0d22473e
Label / candidateParty codeVotesShareSeatsStatus
UNIDOS POR SAN GREGORIO60argentina/S39e1e83a3bd6/20211,79859.9%UnknownRecorded
FRENTE DE TODOS31argentina/S39e1e83a3bd6/20211,20340.1%UnknownRecorded

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

Withheld

Unknown0–100 historical closeness

Actual-event and/or comparability review incomplete

Comparison status: Comparison unavailable · 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. Earlier communal commission returns are predecessor-institution comparisons; the new mayor/commission joint ballot is not an identical office. Official votes and elected rosters are retained. Council counts describe elected cohorts. Current governing membership and later replacements require verification.

Method ci.weighted-gap.v1. Inputs: latest_gap=null, oldest_gap=null, previous_gap=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: 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?
ALBERDI ROBERTO JULIO ANGELMIEMBRO COMUNAL2017FRENTE JUSTICIALISTAunknown
BUZZATTO OSCAR HUGOMIEMBRO COMUNAL2017FRENTE JUSTICIALISTAunknown
ADDA ALBINA GLORIAMIEMBRO COMUNAL2017FRENTE JUSTICIALISTAunknown
RAPARO ALFREDO ANTONIOMIEMBRO COMUNAL2017FRENTE JUSTICIALISTAunknown
FERNANDEZ GONZALO ADRIANMIEMBRO COMUNAL2017FRENTE PROGRESISTA CIVICO Y SOCIALunknown
ALBERDI ROBERTO JULIO ANGELMIEMBRO COMUNAL2019UNIDOS POR SAN GREGORIOunknown
BUZZATTO OSCAR HUGOMIEMBRO COMUNAL2019UNIDOS POR SAN GREGORIOunknown
ADDA ALBINA GLORIAMIEMBRO COMUNAL2019UNIDOS POR SAN GREGORIOunknown
MOREIRA DIANA MARIA LAURAMIEMBRO COMUNAL2019UNIDOS POR SAN GREGORIOunknown
FERNANDEZ GONZALO ADRIANMIEMBRO COMUNAL2019FRENTE PROGRESISTA CIVICO Y SOCIALunknown
TRAVIESO LISANDRO LUISM. Comunal2023UNIDOS POR SAN GREGORIOunknown
MOREIRA DIANA MARIA LAURAM. Comunal2023UNIDOS POR SAN GREGORIOunknown
BUZZATTO OSCAR HUGOM. Comunal2023UNIDOS POR SAN GREGORIOunknown
GONZALEZ MACARENA DENISEM. Comunal2023UNIDOS POR SAN GREGORIOunknown
ROPPEL MARIA CAROLINAM. Comunal2023UNIDOS PARA CAMBIAR SANTA FEunknown
TRAVIESO LISANDRO LUISM. Comunal2025UNIDOS POR SAN GREGORIOunknown
VECCHIO MARIA FLORENCIAM. Comunal2025UNIDOS POR SAN GREGORIOunknown
ORELLANOS MARTIN LISANDROM. Comunal2025UNIDOS POR SAN GREGORIOunknown
GONZALEZ MACARENA DENISEM. Comunal2025UNIDOS POR SAN GREGORIOunknown
FERNANDEZ GONZALO ADRIANM. Comunal2025UNIDOS PARA CAMBIAR SANTA FEunknown

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. Earlier communal commission returns are predecessor-institution comparisons; the new mayor/commission joint ballot is not an identical office. 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. “SAN GREGORIO — Municipal mayor/commission joint ballot (2027 transition).” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/AR-SF-C-GENERALLOPEZ-SANGREGORIO. Sources: argentina--url-37c2f32beac05e8dc61453fe, argentina--url-c59a56523176464d6aa95c66, argentina--url-672e932493801d52ca9d33cb, argentina--url-5f87e101c11beb3c13ee782c, argentina--url-5a55b3b32d7b3d501f49fde7, argentina--url-c525ce3c9587a50239c25014, argentina--url-d7161d241341725861e1307d, argentina--Sa9a75bad2b02, argentina--S6cbb0ff8bc14, argentina--Sd5731ccd0603, argentina--S6c0f4226a3e8, argentina--S39e1e83a3bd6, argentina--Sa3b7b35e32ee, argentina--S492e928e5e7e, argentina--S425b76ef9089, argentina--Sf3a1f8fa36ef, argentina--S5ddf099f9159.