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

Office briefing

PALMILLAS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · PALMILLAS / TAMAULIPAS · municipal · Municipal governmentMX-M-28-31

Read the complete original research briefing

INE result distributions kept separate. Certified seats, supplementary elections, coalition and boundary audit remain.

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

Geography
PALMILLAS / TAMAULIPAS
Next election
2027-06-06
Linked upcoming event
next-b54576562ec5f2a4cb4e4d64
Registry qualification
Unknown

2. How certain is that date?

2027-06-06 is expected (not formally called). Day precision. A date without a formal call is not confirmed.

3. Who won earlier selected elections?

2024

Special · Legal certification not established · candidate marks

  • PT61.5%
  • PVEM34.4%
  • PAN_PRI2.5%
  • PRD0.0%
  • MC0.0%
  • PT_PVEM_MORENA0.0%
Results for event-d53f344a4d0a1a1c482a055c
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S0c285398a1/202483961.5%UnknownRecorded
PVEMmexico/S0c285398a1/202446934.4%UnknownRecorded
PAN_PRImexico/S0c285398a1/2024342.5%UnknownRecorded
PRDmexico/S0c285398a1/20240 (recorded zero)0% (recorded zero)UnknownRecorded
MCmexico/S0c285398a1/20240 (recorded zero)0% (recorded zero)UnknownRecorded
PT_PVEM_MORENAmexico/S0c285398a1/20240 (recorded zero)0% (recorded zero)UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN71.4%
  • MORENA22.8%
  • PRI2.5%
  • PT0.4%
  • MC0.4%
  • PES0.4%
  • RSP0.3%
  • PVEM0.2%
  • FXM0.1%
  • PRD0.1%
Results for event-04c829695a5bc1be3d4dab69
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/Scbb8d4ccd9/202197871.4%UnknownRecorded
MORENAmexico/Scbb8d4ccd9/202131222.8%UnknownRecorded
PRImexico/Scbb8d4ccd9/2021342.5%UnknownRecorded
PTmexico/Scbb8d4ccd9/202160.4%UnknownRecorded
MCmexico/Scbb8d4ccd9/202160.4%UnknownRecorded
PESmexico/Scbb8d4ccd9/202150.4%UnknownRecorded
RSPmexico/Scbb8d4ccd9/202140.3%UnknownRecorded
PVEMmexico/Scbb8d4ccd9/202130.2%UnknownRecorded
FXMmexico/Scbb8d4ccd9/202120.1%UnknownRecorded
PRDmexico/Scbb8d4ccd9/202110.1%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN43.1%
  • MC31.0%
  • PRI23.6%
  • PT_MORENA_ES0.2%
  • PVEM0.2%
  • PANAL0.1%
  • PRD0.0%
Results for event-c10a6674c18e927154aa62ae
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/Saaaecbd579/201857143.1%UnknownRecorded
MCmexico/Saaaecbd579/201841031%UnknownRecorded
PRImexico/Saaaecbd579/201831323.6%UnknownRecorded
PT_MORENA_ESmexico/Saaaecbd579/201830.2%UnknownRecorded
PVEMmexico/Saaaecbd579/201820.2%UnknownRecorded
PANALmexico/Saaaecbd579/201810.1%UnknownRecorded
PRDmexico/Saaaecbd579/20180 (recorded zero)0% (recorded zero)UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=27.57078986587183, oldest_gap=12.38461538461538, previous_gap=49.29681717246484

pedersen volatility

Provisional volatility

98.52percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Latest interval, vectors=[[0,0,0,62.518628912071534,34.947839046199704,0,0,2.5335320417287632],[72.39082161361954,2.516654330125833,0.07401924500370097,0.44411547002220575,0.22205773501110287,0.44411547002220575,23.0940044411547,0.8142116950407106],[43.92307692307692,24.076923076923077,0,0,0.15384615384615385,31.53846153846154,0,0.3076923076923077]]

pedersen volatility

Provisional volatility

52.65percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,62.518628912071534,34.947839046199704,0,0,2.5335320417287632],[72.39082161361954,2.516654330125833,0.07401924500370097,0.44411547002220575,0.22205773501110287,0.44411547002220575,23.0940044411547,0.8142116950407106],[43.92307692307692,24.076923076923077,0,0,0.15384615384615385,31.53846153846154,0,0.3076923076923077]]

pedersen volatility

Provisional volatility

75.59percentage points

Grouped Pedersen lower bound (percentage points). Seven exact standalone INE party labels. Joint coalition combinations, independents and other parties remain Other, without allocating coalition votes. This coarse grouped comparison can conceal coalition-member shifts and requires the stated geographic/event review. 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=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,0,0,62.518628912071534,34.947839046199704,0,0,2.5335320417287632],[72.39082161361954,2.516654330125833,0.07401924500370097,0.44411547002220575,0.22205773501110287,0.44411547002220575,23.0940044411547,0.8142116950407106],[43.92307692307692,24.076923076923077,0,0,0.15384615384615385,31.53846153846154,0,0.3076923076923077]]

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.

No officeholder observation supplied.

6. Polling context

No local poll supplied.

7. Unresolved issues and sources

No open research issues attached to this office.

Sources

Cite this record

Center for Digital Democracy. “PALMILLAS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-28-31. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S0c285398a1, mexico--Scbb8d4ccd9, mexico--Saaaecbd579.