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

Office briefing

PINOS — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · PINOS / ZACATECAS · municipal · Municipal governmentMX-M-32-38

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
PINOS / ZACATECAS
Next election
2027-06-06
Linked upcoming event
next-d73226899fc5169a6fa6b0a8
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

  • MORENA47.5%
  • PRI39.6%
  • PT_NAZ_PES3.7%
  • PVEM2.3%
  • FMZ1.1%
  • MC0.1%
  • MAZ0.0%
Results for event-653dcb791c5c4c386fcefd9f
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sfb0d597288/202415,97347.5%UnknownRecorded
PRImexico/Sfb0d597288/202413,31539.6%UnknownRecorded
PT_NAZ_PESmexico/Sfb0d597288/20241,2593.7%UnknownRecorded
PVEMmexico/Sfb0d597288/20247592.3%UnknownRecorded
FMZmexico/Sfb0d597288/20243571.1%UnknownRecorded
MCmexico/Sfb0d597288/2024170.1%UnknownRecorded
MAZmexico/Sfb0d597288/202420%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI46.5%
  • MORENA44.7%
  • PANALZ1.6%
  • FXM1.1%
  • PT1.0%
  • PAN0.8%
  • PVEM0.8%
  • PAZ0.4%
  • FAM0.2%
  • MDZ0.0%
Results for event-e8936835dae46f2ee68332b2
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sd9fe5e0700/202115,79046.5%UnknownRecorded
MORENAmexico/Sd9fe5e0700/202115,19844.7%UnknownRecorded
PANALZmexico/Sd9fe5e0700/20215571.6%UnknownRecorded
FXMmexico/Sd9fe5e0700/20213731.1%UnknownRecorded
PTmexico/Sd9fe5e0700/20213291%UnknownRecorded
PANmexico/Sd9fe5e0700/20212820.8%UnknownRecorded
PVEMmexico/Sd9fe5e0700/20212820.8%UnknownRecorded
PAZmexico/Sd9fe5e0700/20211290.4%UnknownRecorded
FAMmexico/Sd9fe5e0700/2021540.2%UnknownRecorded
MDZmexico/Sd9fe5e0700/202120%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI46.8%
  • PT_MORENA_ES24.8%
  • PAN_PRD_MC15.9%
  • PP5.2%
  • PVEM2.0%
  • PANAL1.1%
  • MDZ0.2%
  • PAZ0.2%
Results for event-27845bb94f6e6f6b177e1081
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Se25a9cf96f/201815,79046.8%UnknownRecorded
PT_MORENA_ESmexico/Se25a9cf96f/20188,35924.8%UnknownRecorded
PAN_PRD_MCmexico/Se25a9cf96f/20185,35115.9%UnknownRecorded
PPmexico/Se25a9cf96f/20181,7405.2%UnknownRecorded
PVEMmexico/Se25a9cf96f/20186852%UnknownRecorded
PANALmexico/Se25a9cf96f/20183601.1%UnknownRecorded
MDZmexico/Se25a9cf96f/2018720.2%UnknownRecorded
PAZmexico/Se25a9cf96f/2018640.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

60.680–100 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=8.38962186730636, oldest_gap=22.92032941611918, previous_gap=1.7941568674990904

pedersen volatility

Provisional volatility

7.68percentage 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=[[0,42.02701849630705,0,0,2.3956820907770973,0.053658228647181366,50.41664036361341,5.107000820655261],[0.8546490483694993,47.85428536792338,0,0.9970905564310826,0.8546490483694993,0,46.06012850042429,3.3791974784822405],[0,48.70300114123562,0,0,2.1128281052404305,0,0,49.18417075352396]]

pedersen volatility

Provisional volatility

47.91percentage 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=[[0,42.02701849630705,0,0,2.3956820907770973,0.053658228647181366,50.41664036361341,5.107000820655261],[0.8546490483694993,47.85428536792338,0,0.9970905564310826,0.8546490483694993,0,46.06012850042429,3.3791974784822405],[0,48.70300114123562,0,0,2.1128281052404305,0,0,49.18417075352396]]

pedersen volatility

Provisional volatility

27.8percentage 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: Both intervals mean

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,42.02701849630705,0,0,2.3956820907770973,0.053658228647181366,50.41664036361341,5.107000820655261],[0.8546490483694993,47.85428536792338,0,0.9970905564310826,0.8546490483694993,0,46.06012850042429,3.3791974784822405],[0,48.70300114123562,0,0,2.1128281052404305,0,0,49.18417075352396]]

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. “PINOS — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-32-38. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sfb0d597288, mexico--Sd9fe5e0700, mexico--Se25a9cf96f.