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

Office briefing

SANTA BARBARA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SANTA BARBARA / CHIHUAHUA · municipal · Municipal governmentMX-M-8-60

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
SANTA BARBARA / CHIHUAHUA
Next election
2027-06-06
Linked upcoming event
next-e09b42f634ac129e9b485ffb
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

  • C_PRI_PRD45.3%
  • MC27.6%
  • MORENA15.2%
  • PUEBLO7.7%
  • MRCH1.0%
Results for event-c3be5c8b2e63aa0a3f24c202
Label / candidateParty codeVotesShareSeatsStatus
C_PRI_PRDmexico/Sb378baf97b/20242,68445.3%UnknownRecorded
MCmexico/Sb378baf97b/20241,63427.6%UnknownRecorded
MORENAmexico/Sb378baf97b/202490415.2%UnknownRecorded
PUEBLOmexico/Sb378baf97b/20244577.7%UnknownRecorded
MRCHmexico/Sb378baf97b/2024591%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PRI36.6%
  • MC21.9%
  • FXM20.9%
  • PAN_PRD9.0%
  • PES4.4%
  • PT_MORENA_NACH3.7%
  • PVEM1.0%
Results for event-56e186a9773b6f46c15bc3f3
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S06ff2e9f7f/20212,15036.6%UnknownRecorded
MCmexico/S06ff2e9f7f/20211,28821.9%UnknownRecorded
FXMmexico/S06ff2e9f7f/20211,22820.9%UnknownRecorded
PAN_PRDmexico/S06ff2e9f7f/20215329%UnknownRecorded
PESmexico/S06ff2e9f7f/20212574.4%UnknownRecorded
PT_MORENA_NACHmexico/S06ff2e9f7f/20212153.7%UnknownRecorded
PVEMmexico/S06ff2e9f7f/2021561%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI28.6%
  • PAN_MC28.2%
  • PRD23.6%
  • MORENA5.5%
  • PANAL4.1%
  • PT3.9%
  • ES1.8%
  • PVEM0.7%
Results for event-e724071d8c2e5c2379f69ceb
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/Sf2aa70cb62/20181,69528.6%UnknownRecorded
PAN_MCmexico/Sf2aa70cb62/20181,66928.2%UnknownRecorded
PRDmexico/Sf2aa70cb62/20181,39923.6%UnknownRecorded
MORENAmexico/Sf2aa70cb62/20183255.5%UnknownRecorded
PANALmexico/Sf2aa70cb62/20182404.1%UnknownRecorded
PTmexico/Sf2aa70cb62/20182293.9%UnknownRecorded
ESmexico/Sf2aa70cb62/20181061.8%UnknownRecorded
PVEMmexico/Sf2aa70cb62/2018390.7%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

22.290–100 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=18.299058905541997, oldest_gap=0.455980357769203, previous_gap=15.05413901501921

pedersen volatility

Provisional volatility

38.53percentage 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=[[0,0,0,0,0,28.47682119205298,15.754618333914255,55.76856047403276],[0,37.54802654558156,0,0,0.9779951100244498,22.493887530562347,0,38.980090813831644],[0,29.726411785338478,24.535250789196773,4.016134689582603,0.6839705366538057,0,5.699754472115047,35.33847772711329]]

pedersen volatility

Provisional volatility

34.25percentage 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=[[0,0,0,0,0,28.47682119205298,15.754618333914255,55.76856047403276],[0,37.54802654558156,0,0,0.9779951100244498,22.493887530562347,0,38.980090813831644],[0,29.726411785338478,24.535250789196773,4.016134689582603,0.6839705366538057,0,5.699754472115047,35.33847772711329]]

pedersen volatility

Provisional volatility

36.39percentage 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=[[0,0,0,0,0,28.47682119205298,15.754618333914255,55.76856047403276],[0,37.54802654558156,0,0,0.9779951100244498,22.493887530562347,0,38.980090813831644],[0,29.726411785338478,24.535250789196773,4.016134689582603,0.6839705366538057,0,5.699754472115047,35.33847772711329]]

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. “SANTA BARBARA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-8-60. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--Sb378baf97b, mexico--S06ff2e9f7f, mexico--Sf2aa70cb62.