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

Office briefing

SAN FELIPE USILA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SAN FELIPE USILA / OAXACA · municipal · Municipal governmentMX-M-20-133

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 FELIPE USILA / OAXACA
Next election
2027-06-06
Linked upcoming event
next-d02a422b1dc25de66ee97027
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_PRD_156.8%
  • MORENA38.0%
  • NAO4.3%
  • PUP0.2%
Results for event-2d2de52b8f4f6df3799797e0
Label / candidateParty codeVotesShareSeatsStatus
C_PRI_PRD_1mexico/S3d06113efc/20244,43256.8%UnknownRecorded
MORENAmexico/S3d06113efc/20242,96738%UnknownRecorded
NAOmexico/S3d06113efc/20243324.3%UnknownRecorded
PUPmexico/S3d06113efc/2024140.2%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA33.1%
  • PAN_PRI_PRD28.0%
  • PVEM_NAO18.9%
  • PUP17.0%
  • MC2.3%
  • RSP0.2%
  • PES0.1%
  • PT0.0%
Results for event-78d4accffc7b670b4096ba5d
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/S654fbfa9b2/20212,62833.1%UnknownRecorded
PAN_PRI_PRDmexico/S654fbfa9b2/20212,22328%UnknownRecorded
PVEM_NAOmexico/S654fbfa9b2/20211,49718.9%UnknownRecorded
PUPmexico/S654fbfa9b2/20211,34717%UnknownRecorded
MCmexico/S654fbfa9b2/20211832.3%UnknownRecorded
RSPmexico/S654fbfa9b2/2021160.2%UnknownRecorded
PESmexico/S654fbfa9b2/202140.1%UnknownRecorded
PTmexico/S654fbfa9b2/202110%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PUP38.3%
  • PRI_PVEM_PANAL33.9%
  • PAN11.8%
  • CAND_IND311.4%
  • PT_MORENA_ES1.7%
  • CAND_IND40.8%
  • PRD_MC0.1%
Results for event-fa7b1ee6234843fa6d9cfe67
Label / candidateParty codeVotesShareSeatsStatus
PUPmexico/Sd01286c205/20182,84738.3%UnknownRecorded
PRI_PVEM_PANALmexico/Sd01286c205/20182,52033.9%UnknownRecorded
PANmexico/Sd01286c205/201887411.8%UnknownRecorded
CAND_IND3mexico/Sd01286c205/201884811.4%UnknownRecorded
PT_MORENA_ESmexico/Sd01286c205/20181271.7%UnknownRecorded
CAND_IND4mexico/Sd01286c205/2018610.8%UnknownRecorded
PRD_MCmexico/Sd01286c205/201860.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

33.320–100 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=18.91542930923177, oldest_gap=4.489908004943018, previous_gap=5.127231295100646

pedersen volatility

Provisional volatility

5.04percentage 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=[[0,0,0,0,0,0,38.308586184635246,61.691413815364754],[0,0,0,0.0126598303582732,0,2.3167489555639955,33.270034181541966,64.40055703253576],[12.000549224220789,0,0,0,0,0,0,87.99945077577922]]

pedersen volatility

Provisional volatility

35.6percentage 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=[[0,0,0,0,0,0,38.308586184635246,61.691413815364754],[0,0,0,0.0126598303582732,0,2.3167489555639955,33.270034181541966,64.40055703253576],[12.000549224220789,0,0,0,0,0,0,87.99945077577922]]

pedersen volatility

Provisional volatility

20.32percentage 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=[[0,0,0,0,0,0,38.308586184635246,61.691413815364754],[0,0,0,0.0126598303582732,0,2.3167489555639955,33.270034181541966,64.40055703253576],[12.000549224220789,0,0,0,0,0,0,87.99945077577922]]

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 FELIPE USILA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-133. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S3d06113efc, mexico--S654fbfa9b2, mexico--Sd01286c205.