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

Office briefing

CASAS GRANDES — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CASAS GRANDES / CHIHUAHUA · municipal · Municipal governmentMX-M-8-13

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
CASAS GRANDES / CHIHUAHUA
Next election
2027-06-06
Linked upcoming event
next-326b0b3297a299d18562f3d5
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

  • PAN_PRI_PRD59.2%
  • PT_MORENA30.0%
  • MC2.4%
  • PVEM1.8%
  • PUEBLO0.5%
  • MRCH0.3%
Results for event-a4cee5a91508e25c98279693
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/Se383577add/20243,76859.2%UnknownRecorded
PT_MORENAmexico/Se383577add/20241,90930%UnknownRecorded
MCmexico/Se383577add/20241512.4%UnknownRecorded
PVEMmexico/Se383577add/20241171.8%UnknownRecorded
PUEBLOmexico/Se383577add/2024320.5%UnknownRecorded
MRCHmexico/Se383577add/2024160.3%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI35.4%
  • PT_MORENA_NACH22.1%
  • PAN15.8%
  • MC15.2%
  • PVEM6.2%
  • PES2.0%
Results for event-01ad87336339ea246afea07a
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sfc60ef7f39/20212,07035.4%UnknownRecorded
PT_MORENA_NACHmexico/Sfc60ef7f39/20211,29422.1%UnknownRecorded
PANmexico/Sfc60ef7f39/202192615.8%UnknownRecorded
MCmexico/Sfc60ef7f39/202188615.2%UnknownRecorded
PVEMmexico/Sfc60ef7f39/20213606.2%UnknownRecorded
PESmexico/Sfc60ef7f39/20211142%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PAN28.6%
  • PRD28.5%
  • CAND_IND1314.5%
  • PT_MORENA_ES11.5%
  • PRI6.8%
  • MC3.2%
  • PANAL1.4%
Results for event-bf43d744f81d65af9bf1502c
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S295f19d5ee/20181,70228.6%UnknownRecorded
PRDmexico/S295f19d5ee/20181,69528.5%UnknownRecorded
CAND_IND13mexico/S295f19d5ee/201886614.5%UnknownRecorded
PT_MORENA_ESmexico/S295f19d5ee/201868411.5%UnknownRecorded
PRImexico/S295f19d5ee/20184046.8%UnknownRecorded
MCmexico/S295f19d5ee/20181883.2%UnknownRecorded
PANALmexico/S295f19d5ee/2018811.4%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=31.01952277657267, oldest_gap=0.12455516014235002, previous_gap=13.734513274336287

pedersen volatility

Provisional volatility

70.61percentage 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=[[0,0,0,0,1.9522776572668112,2.519606207241782,0,95.5281161354914],[16.38938053097345,36.63716814159292,0,0,6.371681415929204,15.68141592920354,0,24.920353982300885],[30.284697508896798,7.1886120996441285,30.160142348754448,0,0,3.3451957295373664,0,29.02135231316726]]

pedersen volatility

Provisional volatility

48.16percentage 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=[[0,0,0,0,1.9522776572668112,2.519606207241782,0,95.5281161354914],[16.38938053097345,36.63716814159292,0,0,6.371681415929204,15.68141592920354,0,24.920353982300885],[30.284697508896798,7.1886120996441285,30.160142348754448,0,0,3.3451957295373664,0,29.02135231316726]]

pedersen volatility

Provisional volatility

59.38percentage 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=[[0,0,0,0,1.9522776572668112,2.519606207241782,0,95.5281161354914],[16.38938053097345,36.63716814159292,0,0,6.371681415929204,15.68141592920354,0,24.920353982300885],[30.284697508896798,7.1886120996441285,30.160142348754448,0,0,3.3451957295373664,0,29.02135231316726]]

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. “CASAS GRANDES — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-8-13. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Se383577add, mexico--Sfc60ef7f39, mexico--S295f19d5ee.