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

Office briefing

RINCON DE ROMOS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · RINCON DE ROMOS / AGUASCALIENTES · municipal · Municipal governmentMX-M-1-7

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
RINCON DE ROMOS / AGUASCALIENTES
Next election
2027-06-06
Linked upcoming event
next-5cf209e6a4fc053a0dc7cd88
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

  • MORENA40.9%
  • PAN_PRI_PRD38.0%
  • CAND_IND29.9%
  • MC4.3%
  • PVEM1.8%
  • PT1.8%
Results for event-6fb3726e4fec321684f4776f
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S45d6d83d28/20249,83040.9%UnknownRecorded
PAN_PRI_PRDmexico/S45d6d83d28/20249,12538%UnknownRecorded
CAND_IND2mexico/S45d6d83d28/20242,3869.9%UnknownRecorded
MCmexico/S45d6d83d28/20241,0294.3%UnknownRecorded
PVEMmexico/S45d6d83d28/20244441.8%UnknownRecorded
PTmexico/S45d6d83d28/20244291.8%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_MORENA_PANALA27.1%
  • PAN_PRD19.0%
  • MC17.6%
  • CAND_IND112.6%
  • PVEM8.1%
  • PRI7.2%
  • FXM2.1%
  • PLA1.2%
  • PES0.8%
  • RSP0.7%
Results for event-2e4f9486c3f27257c42ac6ab
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_PANALAmexico/Sf95f392892/20215,76027.1%UnknownRecorded
PAN_PRDmexico/Sf95f392892/20214,04019%UnknownRecorded
MCmexico/Sf95f392892/20213,73517.6%UnknownRecorded
CAND_IND1mexico/Sf95f392892/20212,68612.6%UnknownRecorded
PVEMmexico/Sf95f392892/20211,7168.1%UnknownRecorded
PRImexico/Sf95f392892/20211,5227.2%UnknownRecorded
FXMmexico/Sf95f392892/20214412.1%UnknownRecorded
PLAmexico/Sf95f392892/20212561.2%UnknownRecorded
PESmexico/Sf95f392892/20211670.8%UnknownRecorded
RSPmexico/Sf95f392892/20211480.7%UnknownRecorded

2019

Special · Legal certification not established · candidate marks

  • PAN33.2%
  • PANALA29.7%
  • PLA12.7%
  • PRI5.9%
  • MORENA5.8%
  • PT4.9%
  • PVEM2.4%
  • MC1.3%
  • PRD0.9%
Results for event-f78ceae978cdb803322797a2
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S51f2a3fd5f/20195,48733.2%UnknownRecorded
PANALAmexico/S51f2a3fd5f/20194,92229.7%UnknownRecorded
PLAmexico/S51f2a3fd5f/20192,09412.7%UnknownRecorded
PRImexico/S51f2a3fd5f/20199845.9%UnknownRecorded
MORENAmexico/S51f2a3fd5f/20199635.8%UnknownRecorded
PTmexico/S51f2a3fd5f/20198034.9%UnknownRecorded
PVEMmexico/S51f2a3fd5f/20193922.4%UnknownRecorded
MCmexico/S51f2a3fd5f/20192151.3%UnknownRecorded
PRDmexico/S51f2a3fd5f/20191450.9%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

76.530–100 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=3.0331712773738317, oldest_gap=3.5301468291158997, previous_gap=8.402129842215817

pedersen volatility

Provisional volatility

44.14percentage 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=[[0,0,0,1.845716990061524,1.910252549154584,4.427139353783935,42.2923030589855,49.52458804801446],[0,7.43490791851888,0,0,8.382590005373455,18.24532265155586,0,65.9371794245518],[34.283036551077785,6.148078725398313,0.9059668853483287,5.017182130584192,2.4492346141830676,1.3433302093095907,6.016869728209935,43.83630115588878]]

pedersen volatility

Provisional volatility

46.22percentage 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=[[0,0,0,1.845716990061524,1.910252549154584,4.427139353783935,42.2923030589855,49.52458804801446],[0,7.43490791851888,0,0,8.382590005373455,18.24532265155586,0,65.9371794245518],[34.283036551077785,6.148078725398313,0.9059668853483287,5.017182130584192,2.4492346141830676,1.3433302093095907,6.016869728209935,43.83630115588878]]

pedersen volatility

Provisional volatility

45.18percentage 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=[[0,0,0,1.845716990061524,1.910252549154584,4.427139353783935,42.2923030589855,49.52458804801446],[0,7.43490791851888,0,0,8.382590005373455,18.24532265155586,0,65.9371794245518],[34.283036551077785,6.148078725398313,0.9059668853483287,5.017182130584192,2.4492346141830676,1.3433302093095907,6.016869728209935,43.83630115588878]]

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. “RINCON DE ROMOS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-1-7. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S45d6d83d28, mexico--Sf95f392892, mexico--S51f2a3fd5f.