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

Office briefing

SOMBRERETE — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SOMBRERETE / ZACATECAS · municipal · Municipal governmentMX-M-32-42

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
SOMBRERETE / ZACATECAS
Next election
2027-06-06
Linked upcoming event
next-e5e1866814753d631f0a688f
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

  • PVEM_MORENA45.5%
  • PRI25.9%
  • PAN12.8%
  • MC3.7%
  • PT_NAZ_PES3.6%
  • MAZ1.5%
  • PRD0.9%
  • RPZ0.8%
  • FMZ0.0%
Results for event-c96c40c50e2fd86901779981
Label / candidateParty codeVotesShareSeatsStatus
PVEM_MORENAmexico/S168f6132f4/202412,46745.5%UnknownRecorded
PRImexico/S168f6132f4/20247,08425.9%UnknownRecorded
PANmexico/S168f6132f4/20243,51612.8%UnknownRecorded
MCmexico/S168f6132f4/20241,0193.7%UnknownRecorded
PT_NAZ_PESmexico/S168f6132f4/20249963.6%UnknownRecorded
MAZmexico/S168f6132f4/20244031.5%UnknownRecorded
PRDmexico/S168f6132f4/20242380.9%UnknownRecorded
RPZmexico/S168f6132f4/20242310.8%UnknownRecorded
FMZmexico/S168f6132f4/202420%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI33.8%
  • PT_PVEM_MORENA_PANALZ27.6%
  • PAN26.7%
  • PAZ3.4%
  • FAM3.1%
  • MC1.1%
  • PES0.8%
  • FXM0.4%
  • MDZ0.0%
Results for event-22892b0e62dfe1c2578092b0
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S9a6cf23f22/20219,15733.8%UnknownRecorded
PT_PVEM_MORENA_PANALZmexico/S9a6cf23f22/20217,47427.6%UnknownRecorded
PANmexico/S9a6cf23f22/20217,24426.7%UnknownRecorded
PAZmexico/S9a6cf23f22/20219293.4%UnknownRecorded
FAMmexico/S9a6cf23f22/20218473.1%UnknownRecorded
MCmexico/S9a6cf23f22/20213011.1%UnknownRecorded
PESmexico/S9a6cf23f22/20212090.8%UnknownRecorded
FXMmexico/S9a6cf23f22/20211200.4%UnknownRecorded
MDZmexico/S9a6cf23f22/202130%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI25.6%
  • PT_MORENA_ES24.9%
  • PAN_PRD_MC23.3%
  • PAZ16.0%
  • PVEM3.4%
  • PANAL2.2%
  • PP0.2%
  • MDZ0.2%
Results for event-47b6030fdaa56f943f68c49a
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sa5476b711b/20187,01725.6%UnknownRecorded
PT_MORENA_ESmexico/Sa5476b711b/20186,81224.9%UnknownRecorded
PAN_PRD_MCmexico/Sa5476b711b/20186,37223.3%UnknownRecorded
PAZmexico/Sa5476b711b/20184,39416%UnknownRecorded
PVEMmexico/Sa5476b711b/20189343.4%UnknownRecorded
PANALmexico/Sa5476b711b/20185942.2%UnknownRecorded
PPmexico/Sa5476b711b/2018660.2%UnknownRecorded
MDZmexico/Sa5476b711b/2018450.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

27.790–100 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=20.738942826321466, oldest_gap=0.7814286803384931, previous_gap=6.403134987064373

pedersen volatility

Provisional volatility

21.56percentage 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=[[13.546000924641701,27.292340884573893,0.9169363538295577,0,0,3.925874556942518,0,54.31884728001232],[27.560493075635367,34.83868513163902,0,0,0,1.145183381524882,0,36.45563841120073],[0,26.747731950903407,0,0,3.560265304566593,0,0,69.69200274453]]

pedersen volatility

Provisional volatility

36.8percentage 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=[[13.546000924641701,27.292340884573893,0.9169363538295577,0,0,3.925874556942518,0,54.31884728001232],[27.560493075635367,34.83868513163902,0,0,0,1.145183381524882,0,36.45563841120073],[0,26.747731950903407,0,0,3.560265304566593,0,0,69.69200274453]]

pedersen volatility

Provisional volatility

29.18percentage 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=[[13.546000924641701,27.292340884573893,0.9169363538295577,0,0,3.925874556942518,0,54.31884728001232],[27.560493075635367,34.83868513163902,0,0,0,1.145183381524882,0,36.45563841120073],[0,26.747731950903407,0,0,3.560265304566593,0,0,69.69200274453]]

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. “SOMBRERETE — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-32-42. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S168f6132f4, mexico--S9a6cf23f22, mexico--Sa5476b711b.