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

Office briefing

CIUDAD FERNANDEZ — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CIUDAD FERNANDEZ / SAN LUIS POTOSI · municipal · Municipal governmentMX-M-24-11

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
CIUDAD FERNANDEZ / SAN LUIS POTOSI
Next election
2027-06-06
Linked upcoming event
next-f6d9965e04b274c26b050c41
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_PT_MORENA54.4%
  • MC22.4%
  • PAN_PRI_PRD18.1%
  • NASLP1.5%
  • CP0.5%
Results for event-d32c8bc3be6c21c6d36031c3
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PT_MORENAmexico/S8b2ec7639d/202411,12454.4%UnknownRecorded
MCmexico/S8b2ec7639d/20244,58422.4%UnknownRecorded
PAN_PRI_PRDmexico/S8b2ec7639d/20243,69718.1%UnknownRecorded
NASLPmexico/S8b2ec7639d/20243081.5%UnknownRecorded
CPmexico/S8b2ec7639d/20241020.5%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_PVEM29.8%
  • PAN26.9%
  • PCP18.2%
  • PRI11.1%
  • PMC4.5%
  • MORENA3.4%
  • PES2.3%
  • NASLP0.8%
Results for event-7cf5fd9e335d0cd204d3f7f9
Label / candidateParty codeVotesShareSeatsStatus
PT_PVEMmexico/S62e19f701e/20215,96529.8%UnknownRecorded
PANmexico/S62e19f701e/20215,39926.9%UnknownRecorded
PCPmexico/S62e19f701e/20213,64518.2%UnknownRecorded
PRImexico/S62e19f701e/20212,21811.1%UnknownRecorded
PMCmexico/S62e19f701e/20218994.5%UnknownRecorded
MORENAmexico/S62e19f701e/20216893.4%UnknownRecorded
PESmexico/S62e19f701e/20214702.3%UnknownRecorded
NASLPmexico/S62e19f701e/20211530.8%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRD31.7%
  • PRI_PANAL_CP23.6%
  • PAN_MC20.3%
  • PVEM13.7%
  • PT_MORENA_ES6.7%
Results for event-aa0e6a52afe5d33861a8e305
Label / candidateParty codeVotesShareSeatsStatus
PRDmexico/S71c94af757/20186,85131.7%UnknownRecorded
PRI_PANAL_CPmexico/S71c94af757/20185,11223.6%UnknownRecorded
PAN_MCmexico/S71c94af757/20184,39420.3%UnknownRecorded
PVEMmexico/S71c94af757/20182,97013.7%UnknownRecorded
PT_MORENA_ESmexico/S71c94af757/20181,4526.7%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=33.00529901589705, oldest_gap=8.369026420905719, previous_gap=2.911822203930445

pedersen volatility

Provisional volatility

42.73percentage 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=[[0,0,0,0,0,23.133989401968204,0,76.8660105980318],[27.775491305689886,11.410638954624961,0,0,0,0,3.5446033542545528,57.269266385430605],[0,0,32.97078781462053,0,14.293276866066702,0,0,52.73593531931277]]

pedersen volatility

Provisional volatility

47.26percentage 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=[[0,0,0,0,0,23.133989401968204,0,76.8660105980318],[27.775491305689886,11.410638954624961,0,0,0,0,3.5446033542545528,57.269266385430605],[0,0,32.97078781462053,0,14.293276866066702,0,0,52.73593531931277]]

pedersen volatility

Provisional volatility

45percentage 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=[[0,0,0,0,0,23.133989401968204,0,76.8660105980318],[27.775491305689886,11.410638954624961,0,0,0,0,3.5446033542545528,57.269266385430605],[0,0,32.97078781462053,0,14.293276866066702,0,0,52.73593531931277]]

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. “CIUDAD FERNANDEZ — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-24-11. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S8b2ec7639d, mexico--S62e19f701e, mexico--S71c94af757.