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

Office briefing

TEPECOACUILCO DE TRUJANO — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TEPECOACUILCO DE TRUJANO / GUERRERO · municipal · Municipal governmentMX-M-12-60

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
TEPECOACUILCO DE TRUJANO / GUERRERO
Next election
2027-06-06
Linked upcoming event
next-49827dd7f7c655aa7d9bf413
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_PRD34.5%
  • MC30.1%
  • PT_PVEM_MORENA28.9%
  • MA2.6%
  • PAC0.4%
  • MLGRO0.1%
Results for event-d3fa49255930ad9d22541f45
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRI_PRDmexico/S12859d9bad/20245,27234.5%UnknownRecorded
MCmexico/S12859d9bad/20244,59630.1%UnknownRecorded
PT_PVEM_MORENAmexico/S12859d9bad/20244,41728.9%UnknownRecorded
MAmexico/S12859d9bad/20243942.6%UnknownRecorded
PACmexico/S12859d9bad/2024640.4%UnknownRecorded
MLGROmexico/S12859d9bad/2024220.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • PAN30.4%
  • PRI27.6%
  • MORENA20.6%
  • MC12.3%
  • FXP3.3%
  • PT3.1%
Results for event-7a2fb6cdcc3366b19e670236
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S3ebb62ae6f/20214,56530.4%UnknownRecorded
PRImexico/S3ebb62ae6f/20214,14127.6%UnknownRecorded
MORENAmexico/S3ebb62ae6f/20213,08620.6%UnknownRecorded
MCmexico/S3ebb62ae6f/20211,84712.3%UnknownRecorded
FXPmexico/S3ebb62ae6f/20214953.3%UnknownRecorded
PTmexico/S3ebb62ae6f/20214583.1%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI32.3%
  • PAN_PRD31.1%
  • MC14.9%
  • MORENA9.5%
  • PANAL3.0%
  • PPG1.9%
  • PVEM1.5%
  • PT0.6%
  • IHG0.6%
  • PSM0.1%
  • CG0.1%
Results for event-26866bd859a4860714b7e9e4
Label / candidateParty codeVotesShareSeatsStatus
PRImexico/S5656a97b7c/20185,18432.3%UnknownRecorded
PAN_PRDmexico/S5656a97b7c/20184,99131.1%UnknownRecorded
MCmexico/S5656a97b7c/20182,38614.9%UnknownRecorded
MORENAmexico/S5656a97b7c/20181,5209.5%UnknownRecorded
PANALmexico/S5656a97b7c/20184883%UnknownRecorded
PPGmexico/S5656a97b7c/20183011.9%UnknownRecorded
PVEMmexico/S5656a97b7c/20182411.5%UnknownRecorded
PTmexico/S5656a97b7c/2018990.6%UnknownRecorded
IHGmexico/S5656a97b7c/2018950.6%UnknownRecorded
PSMmexico/S5656a97b7c/2018230.1%UnknownRecorded
CGmexico/S5656a97b7c/2018180.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

81.280–100 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=4.578394852692178, oldest_gap=1.2576567183630942, previous_gap=2.9057017543859622

pedersen volatility

Provisional volatility

83.95percentage 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=[[0,0,0,0,0,31.127666779546225,0,68.87233322045378],[31.28426535087719,28.37856359649123,0,3.138706140350877,0,12.657620614035087,21.14857456140351,3.3922697368421053],[0,33.78078978235371,0,0.6451192493157826,1.5704418089404406,15.548025544115731,9.904861201616056,38.55076241365828]]

pedersen volatility

Provisional volatility

45.02percentage 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=[[0,0,0,0,0,31.127666779546225,0,68.87233322045378],[31.28426535087719,28.37856359649123,0,3.138706140350877,0,12.657620614035087,21.14857456140351,3.3922697368421053],[0,33.78078978235371,0,0.6451192493157826,1.5704418089404406,15.548025544115731,9.904861201616056,38.55076241365828]]

pedersen volatility

Provisional volatility

64.49percentage 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=[[0,0,0,0,0,31.127666779546225,0,68.87233322045378],[31.28426535087719,28.37856359649123,0,3.138706140350877,0,12.657620614035087,21.14857456140351,3.3922697368421053],[0,33.78078978235371,0,0.6451192493157826,1.5704418089404406,15.548025544115731,9.904861201616056,38.55076241365828]]

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. “TEPECOACUILCO DE TRUJANO — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-12-60. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S12859d9bad, mexico--S3ebb62ae6f, mexico--S5656a97b7c.