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

Office briefing

SAN PEDRO DE LA CUEVA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SAN PEDRO DE LA CUEVA / SONORA · municipal · Municipal governmentMX-M-26-35

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
SAN PEDRO DE LA CUEVA / SONORA
Next election
2027-06-06
Linked upcoming event
next-4e2b4b654bef0fb7295ffd12
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

  • PS57.1%
  • PAN_PRI_PRD38.8%
  • C_MORENA_PT_PVEM_NAS_PES0.8%
  • MC0.1%
Results for event-ee1c5a74cca5df98c9bb9d1f
Label / candidateParty codeVotesShareSeatsStatus
PSmexico/S700c1c6509/202490657.1%UnknownRecorded
PAN_PRI_PRDmexico/S700c1c6509/202461638.8%UnknownRecorded
C_MORENA_PT_PVEM_NAS_PESmexico/S700c1c6509/2024130.8%UnknownRecorded
MCmexico/S700c1c6509/202410.1%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • NAS54.7%
  • PAN_PRI_PRD42.7%
  • MC1.2%
Results for event-49315b9f71013b576cc141d0
Label / candidateParty codeVotesShareSeatsStatus
NASmexico/S2a72111d9e/202181054.7%UnknownRecorded
PAN_PRI_PRDmexico/S2a72111d9e/202163242.7%UnknownRecorded
MCmexico/S2a72111d9e/2021181.2%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PRI_PVEM_PANAL55.1%
  • PAN_PRD41.0%
  • PT_MORENA_ES0.8%
  • MC0.5%
Results for event-4af756fff8935824c6a603da
Label / candidateParty codeVotesShareSeatsStatus
PRI_PVEM_PANALmexico/S5a5287b3a7/201887755.1%UnknownRecorded
PAN_PRDmexico/S5a5287b3a7/201865341%UnknownRecorded
PT_MORENA_ESmexico/S5a5287b3a7/2018130.8%UnknownRecorded
MCmexico/S5a5287b3a7/201880.5%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

17.850–100 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=18.880208333333336, oldest_gap=14.442295293359123, previous_gap=12.19178082191781

pedersen volatility

Provisional volatility

1.17percentage 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=[[0,0,0,0,0,0.06510416666666667,0,99.93489583333333],[0,0,0,0,0,1.2328767123287672,0,98.76712328767124],[0,0,0,0,0,0.5157962604771116,0,99.48420373952288]]

pedersen volatility

Provisional volatility

0.72percentage 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=[[0,0,0,0,0,0.06510416666666667,0,99.93489583333333],[0,0,0,0,0,1.2328767123287672,0,98.76712328767124],[0,0,0,0,0,0.5157962604771116,0,99.48420373952288]]

pedersen volatility

Provisional volatility

0.94percentage 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=[[0,0,0,0,0,0.06510416666666667,0,99.93489583333333],[0,0,0,0,0,1.2328767123287672,0,98.76712328767124],[0,0,0,0,0,0.5157962604771116,0,99.48420373952288]]

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. “SAN PEDRO DE LA CUEVA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-26-35. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S700c1c6509, mexico--S2a72111d9e, mexico--S5a5287b3a7.