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

Office briefing

CIUDAD VALLES — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · CIUDAD VALLES / SAN LUIS POTOSI · municipal · Municipal governmentMX-M-24-13

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
CIUDAD VALLES / SAN LUIS POTOSI
Next election
2027-06-06
Linked upcoming event
next-4336fea230a4fe9bed762c0e
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_MORENA43.7%
  • PAN_PRI_PRD38.1%
  • MC5.4%
  • CAND_IND13.5%
  • PES2.9%
  • CP2.0%
  • NASLP1.4%
Results for event-f944cc46fe397e3ae22de0cf
Label / candidateParty codeVotesShareSeatsStatus
PVEM_PT_MORENAmexico/S9dd3da2bd1/202435,74043.7%UnknownRecorded
PAN_PRI_PRDmexico/S9dd3da2bd1/202431,16438.1%UnknownRecorded
MCmexico/S9dd3da2bd1/20244,4205.4%UnknownRecorded
CAND_IND1mexico/S9dd3da2bd1/20242,9033.5%UnknownRecorded
PESmexico/S9dd3da2bd1/20242,3862.9%UnknownRecorded
CPmexico/S9dd3da2bd1/20241,6552%UnknownRecorded
NASLPmexico/S9dd3da2bd1/20241,1851.4%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PT_PVEM43.4%
  • PAN_PRI_PRD_PCP23.6%
  • MORENA15.9%
  • RSP5.6%
  • NASLP5.3%
  • PES1.6%
  • PMC0.8%
  • FXM0.6%
Results for event-c80d31c07e1b4998eee0874a
Label / candidateParty codeVotesShareSeatsStatus
PT_PVEMmexico/Sf10f03a342/202130,70543.4%UnknownRecorded
PAN_PRI_PRD_PCPmexico/Sf10f03a342/202116,65423.6%UnknownRecorded
MORENAmexico/Sf10f03a342/202111,26615.9%UnknownRecorded
RSPmexico/Sf10f03a342/20213,9935.6%UnknownRecorded
NASLPmexico/Sf10f03a342/20213,7535.3%UnknownRecorded
PESmexico/Sf10f03a342/20211,1451.6%UnknownRecorded
PMCmexico/Sf10f03a342/20215960.8%UnknownRecorded
FXMmexico/Sf10f03a342/20214570.6%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • CAND_IND336.3%
  • PAN_PRD_MC34.1%
  • PRI_PVEM_PANAL_CP16.5%
  • PT_MORENA_ES9.8%
Results for event-29a637bcf09e95a645393ebc
Label / candidateParty codeVotesShareSeatsStatus
CAND_IND3mexico/S61eb9a0ddc/201828,53636.3%UnknownRecorded
PAN_PRD_MCmexico/S61eb9a0ddc/201826,78834.1%UnknownRecorded
PRI_PVEM_PANAL_CPmexico/S61eb9a0ddc/201813,00716.5%UnknownRecorded
PT_MORENA_ESmexico/S61eb9a0ddc/20187,6809.8%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

50.830–100 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=5.759379759102863, oldest_gap=2.299667153438321, previous_gap=20.49176741676268

pedersen volatility

Provisional volatility

16.43percentage 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=[[0,0,0,0,0,5.563037267315268,0,94.43696273268472],[0,0,0,0,0,0,16.43016523501874,83.56983476498125],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,0,0,5.563037267315268,0,94.43696273268472],[0,0,0,0,0,0,16.43016523501874,83.56983476498125],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0,0,0,0,0,5.563037267315268,0,94.43696273268472],[0,0,0,0,0,0,16.43016523501874,83.56983476498125],null]

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 VALLES — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-24-13. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S9dd3da2bd1, mexico--Sf10f03a342, mexico--S61eb9a0ddc.