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

Office briefing

SALTILLO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SALTILLO / COAHUILA · municipal · Municipal governmentMX-M-5-30

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
SALTILLO / COAHUILA
Next election
2027-06-06
Linked upcoming event
next-daa75c90ac252467d7b0cda5
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

  • PRI_PRD_UDC43.7%
  • MORENA36.1%
  • MC9.1%
  • PAN3.6%
  • PVEM2.0%
  • PT1.9%
Results for event-cef40adbba451f52945f7b35
Label / candidateParty codeVotesShareSeatsStatus
PRI_PRD_UDCmexico/S6933876a02/2024179,92043.7%UnknownRecorded
MORENAmexico/S6933876a02/2024148,52936.1%UnknownRecorded
MCmexico/S6933876a02/202437,2659.1%UnknownRecorded
PANmexico/S6933876a02/202414,7233.6%UnknownRecorded
PVEMmexico/S6933876a02/20248,4192%UnknownRecorded
PTmexico/S6933876a02/20247,7071.9%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI_PRD49.8%
  • MORENA36.2%
  • PAN5.5%
  • PVEM2.9%
  • MC1.5%
  • FXM0.6%
  • PT0.5%
  • PES0.4%
  • UDC0.3%
  • RSP0.0%
Results for event-317aa1c8d07281912fabce35
Label / candidateParty codeVotesShareSeatsStatus
PRI_PRDmexico/S0e81aaf067/2021160,68249.8%UnknownRecorded
MORENAmexico/S0e81aaf067/2021116,79436.2%UnknownRecorded
PANmexico/S0e81aaf067/202117,7595.5%UnknownRecorded
PVEMmexico/S0e81aaf067/20219,2682.9%UnknownRecorded
MCmexico/S0e81aaf067/20214,9821.5%UnknownRecorded
FXMmexico/S0e81aaf067/20212,0340.6%UnknownRecorded
PTmexico/S0e81aaf067/20211,5490.5%UnknownRecorded
PESmexico/S0e81aaf067/20211,3590.4%UnknownRecorded
UDCmexico/S0e81aaf067/20218400.3%UnknownRecorded
RSPmexico/S0e81aaf067/2021120%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI_PVEM_PANAL49.7%
  • PT_MORENA_ES24.5%
  • PAN_UDC_MC19.3%
  • CAND_IND101.9%
  • CAND_IND91.2%
  • PRD1.2%
Results for event-c6969472fffd3b487064b9f9
Label / candidateParty codeVotesShareSeatsStatus
PRI_PVEM_PANALmexico/S2319ff586c/2018174,70649.7%UnknownRecorded
PT_MORENA_ESmexico/S2319ff586c/201886,02924.5%UnknownRecorded
PAN_UDC_MCmexico/S2319ff586c/201867,86819.3%UnknownRecorded
CAND_IND10mexico/S2319ff586c/20186,8371.9%UnknownRecorded
CAND_IND9mexico/S2319ff586c/20184,2261.2%UnknownRecorded
PRDmexico/S2319ff586c/20184,1201.2%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

42.480–100 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=7.915766221256149, oldest_gap=25.79424409370946, previous_gap=13.920368943063131

pedersen volatility

Provisional volatility

9.68percentage 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=[[3.7126509533163707,0,0,1.9434490862738076,2.1229918071025287,9.39699366809309,37.45407413197903,45.369840353235176],[5.632788736325604,0,0,0.49131087068913565,2.939618560069018,1.580187706761313,37.04464934232854,52.31144478382639],[0,0,1.1984199472927926,0,0,0,0,98.80158005270721]]

pedersen volatility

Provisional volatility

47.69percentage 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=[[3.7126509533163707,0,0,1.9434490862738076,2.1229918071025287,9.39699366809309,37.45407413197903,45.369840353235176],[5.632788736325604,0,0,0.49131087068913565,2.939618560069018,1.580187706761313,37.04464934232854,52.31144478382639],[0,0,1.1984199472927926,0,0,0,0,98.80158005270721]]

pedersen volatility

Provisional volatility

28.68percentage 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: Both intervals mean

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[3.7126509533163707,0,0,1.9434490862738076,2.1229918071025287,9.39699366809309,37.45407413197903,45.369840353235176],[5.632788736325604,0,0,0.49131087068913565,2.939618560069018,1.580187706761313,37.04464934232854,52.31144478382639],[0,0,1.1984199472927926,0,0,0,0,98.80158005270721]]

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. “SALTILLO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-5-30. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S6933876a02, mexico--S0e81aaf067, mexico--S2319ff586c.