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

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Office briefing

SALINA CRUZ — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · SALINA CRUZ / OAXACA · municipal · Municipal governmentMX-M-20-76

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
SALINA CRUZ / OAXACA
Next election
2027-06-06
Linked upcoming event
next-5da76b104b04263786b74b1e
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

  • PT54.7%
  • MORENA18.6%
  • MC18.2%
  • PVEM1.4%
  • PRD0.9%
  • PRI0.9%
  • PUP0.6%
  • C_PVEM_MORENA_NAO_FXMO0.5%
  • PAN0.4%
  • MUJER0.3%
  • NAO0.3%
  • FXMO0.3%
  • CAND_IND60.1%
  • C_PAN_PRI_10.0%
Results for event-87648c13c39f38f9690451ac
Label / candidateParty codeVotesShareSeatsStatus
PTmexico/S9635ff57eb/202421,99954.7%UnknownRecorded
MORENAmexico/S9635ff57eb/20247,48218.6%UnknownRecorded
MCmexico/S9635ff57eb/20247,31018.2%UnknownRecorded
PVEMmexico/S9635ff57eb/20245691.4%UnknownRecorded
PRDmexico/S9635ff57eb/20243790.9%UnknownRecorded
PRImexico/S9635ff57eb/20243630.9%UnknownRecorded
PUPmexico/S9635ff57eb/20242240.6%UnknownRecorded
C_PVEM_MORENA_NAO_FXMOmexico/S9635ff57eb/20241980.5%UnknownRecorded
PANmexico/S9635ff57eb/20241430.4%UnknownRecorded
MUJERmexico/S9635ff57eb/20241150.3%UnknownRecorded
NAOmexico/S9635ff57eb/20241130.3%UnknownRecorded
FXMOmexico/S9635ff57eb/20241020.3%UnknownRecorded
CAND_IND6mexico/S9635ff57eb/2024410.1%UnknownRecorded
C_PAN_PRI_1mexico/S9635ff57eb/2024180%UnknownRecorded

2021

Special · Legal certification not established · candidate marks

  • MORENA36.8%
  • PAN_PRI_PRD31.1%
  • PUP13.6%
  • MC4.3%
  • PVEM4.0%
  • FXM3.3%
  • PT2.3%
  • NAO1.2%
  • PES0.7%
  • RSP0.6%
Results for event-5a6d5e8bd0e92db131855de5
Label / candidateParty codeVotesShareSeatsStatus
MORENAmexico/Sbeb8901f1d/202113,46236.8%UnknownRecorded
PAN_PRI_PRDmexico/Sbeb8901f1d/202111,35931.1%UnknownRecorded
PUPmexico/Sbeb8901f1d/20214,96813.6%UnknownRecorded
MCmexico/Sbeb8901f1d/20211,5594.3%UnknownRecorded
PVEMmexico/Sbeb8901f1d/20211,4614%UnknownRecorded
FXMmexico/Sbeb8901f1d/20211,1893.3%UnknownRecorded
PTmexico/Sbeb8901f1d/20218492.3%UnknownRecorded
NAOmexico/Sbeb8901f1d/20214491.2%UnknownRecorded
PESmexico/Sbeb8901f1d/20212540.7%UnknownRecorded
RSPmexico/Sbeb8901f1d/20212210.6%UnknownRecorded

2018

Special · Legal certification not established · candidate marks

  • PT_MORENA_ES38.2%
  • PRI_PVEM24.7%
  • PAN_PRD_MC16.3%
  • PANAL10.7%
  • CAND_IND242.3%
  • CAND_IND222.1%
  • CAND_IND231.6%
  • PUP0.8%
  • PMR0.5%
  • PSD0.1%
Results for event-2943a40a6a6d534a73a09d79
Label / candidateParty codeVotesShareSeatsStatus
PT_MORENA_ESmexico/Sc2e09cf4c6/201815,34738.2%UnknownRecorded
PRI_PVEMmexico/Sc2e09cf4c6/20189,92724.7%UnknownRecorded
PAN_PRD_MCmexico/Sc2e09cf4c6/20186,54016.3%UnknownRecorded
PANALmexico/Sc2e09cf4c6/20184,29510.7%UnknownRecorded
CAND_IND24mexico/Sc2e09cf4c6/20189272.3%UnknownRecorded
CAND_IND22mexico/Sc2e09cf4c6/20188282.1%UnknownRecorded
CAND_IND23mexico/Sc2e09cf4c6/20186571.6%UnknownRecorded
PUPmexico/Sc2e09cf4c6/20183330.8%UnknownRecorded
PMRmexico/Sc2e09cf4c6/20181960.5%UnknownRecorded
PSDmexico/Sc2e09cf4c6/2018310.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

0 (recorded zero)0–100 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=37.16970503891848, oldest_gap=13.868631815971955, previous_gap=5.879064046294484

pedersen volatility

Provisional volatility

70.58percentage 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=[[0.36614092585006147,0.929434657927079,0.9704014748054076,56.326812781646865,1.4568824252355592,18.716714461286358,19.15710774272839,2.0765055305202784],[0,0,0,2.3734309915853626,4.084314109194599,4.358279052864052,37.63383746610383,51.55013838025216],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0.36614092585006147,0.929434657927079,0.9704014748054076,56.326812781646865,1.4568824252355592,18.716714461286358,19.15710774272839,2.0765055305202784],[0,0,0,2.3734309915853626,4.084314109194599,4.358279052864052,37.63383746610383,51.55013838025216],null]

pedersen volatility

Withheld volatility

Unknownpercentage 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 · Comparable grouped vectors unavailable for this interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Both intervals mean, vectors=[[0.36614092585006147,0.929434657927079,0.9704014748054076,56.326812781646865,1.4568824252355592,18.716714461286358,19.15710774272839,2.0765055305202784],[0,0,0,2.3734309915853626,4.084314109194599,4.358279052864052,37.63383746610383,51.55013838025216],null]

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. “SALINA CRUZ — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-20-76. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S9635ff57eb, mexico--Sbeb8901f1d, mexico--Sc2e09cf4c6.