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

Office briefing

TEZONTEPEC DE ALDAMA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · TEZONTEPEC DE ALDAMA / HIDALGO · municipal · Municipal governmentMX-M-13-66

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
TEZONTEPEC DE ALDAMA / HIDALGO
Next election
2027-06-06
Linked upcoming event
next-2306bad50887578123fd9ed8
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_PAN_PRI_PRD26.3%
  • C_MORENA_NAH25.7%
  • CAND_IND324.1%
  • PT16.4%
  • MC2.7%
  • PVEM1.1%
Results for event-69b8e77dea589d0ed29e9256
Label / candidateParty codeVotesShareSeatsStatus
C_PAN_PRI_PRDmexico/S45f0ea9821/20247,64726.3%UnknownRecorded
C_MORENA_NAHmexico/S45f0ea9821/20247,48225.7%UnknownRecorded
CAND_IND3mexico/S45f0ea9821/20247,02024.1%UnknownRecorded
PTmexico/S45f0ea9821/20244,78416.4%UnknownRecorded
MCmexico/S45f0ea9821/20247852.7%UnknownRecorded
PVEMmexico/S45f0ea9821/20243271.1%UnknownRecorded

2020

Special · Legal certification not established · candidate marks

  • PAN32.6%
  • PRD25.9%
  • MORENA25.9%
  • PRI7.0%
  • PANALH2.6%
  • PVEM1.4%
  • PODEMOS1.3%
  • MAS_X_HIDALGO0.4%
  • PT0.3%
  • MC0.3%
  • ESH0.3%
Results for event-07ecd1e058c55b4c86cf8250
Label / candidateParty codeVotesShareSeatsStatus
PANmexico/S170755536b/20207,62032.6%UnknownRecorded
PRDmexico/S170755536b/20206,07125.9%UnknownRecorded
MORENAmexico/S170755536b/20206,06225.9%UnknownRecorded
PRImexico/S170755536b/20201,6417%UnknownRecorded
PANALHmexico/S170755536b/20206022.6%UnknownRecorded
PVEMmexico/S170755536b/20203331.4%UnknownRecorded
PODEMOSmexico/S170755536b/20203011.3%UnknownRecorded
MAS_X_HIDALGOmexico/S170755536b/20201010.4%UnknownRecorded
PTmexico/S170755536b/2020690.3%UnknownRecorded
MCmexico/S170755536b/2020650.3%UnknownRecorded
ESHmexico/S170755536b/2020640.3%UnknownRecorded

2016

Special · Legal certification not established · candidate marks

  • MC32.4%
  • PAN25.1%
  • PRI_PVEM_PANAL24.4%
  • MORENA8.4%
  • CAND_IND323.8%
  • PRD1.9%
  • CAND_IND331.6%
  • ES0.5%
Results for event-481bc74a30bd5d49d09562c4
Label / candidateParty codeVotesShareSeatsStatus
MCmexico/Sd4c6aea34e/20167,55232.4%UnknownRecorded
PANmexico/Sd4c6aea34e/20165,85125.1%UnknownRecorded
PRI_PVEM_PANALmexico/Sd4c6aea34e/20165,68624.4%UnknownRecorded
MORENAmexico/Sd4c6aea34e/20161,9628.4%UnknownRecorded
CAND_IND32mexico/Sd4c6aea34e/20168873.8%UnknownRecorded
PRDmexico/Sd4c6aea34e/20164491.9%UnknownRecorded
CAND_IND33mexico/Sd4c6aea34e/20163741.6%UnknownRecorded
ESmexico/Sd4c6aea34e/20161220.5%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

84.380–100 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=0.5883401675878055, oldest_gap=7.433465891710004, previous_gap=6.755636966287234

pedersen volatility

Provisional volatility

93.59percentage 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=[[0,0,0,17.058299162060973,1.1659832412194686,2.7990729185238012,0,78.97664467819575],[33.23302368180034,7.1568755724192075,26.477386715513106,0.30092895459897945,1.4523093026298575,0.2834837978106328,26.438135112739324,4.6578568624885515],[25.56919984267797,0,1.9621553118035222,0,0,33.002665734387975,8.574050605252808,30.891928505877722]]

pedersen volatility

Provisional volatility

58.95percentage 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: Previous interval

Method pedersen.grouped.v1. Inputs: groups=["PAN","PRI","PRD","PT","PVEM","MC","MORENA","Other"], interval=Previous interval, vectors=[[0,0,0,17.058299162060973,1.1659832412194686,2.7990729185238012,0,78.97664467819575],[33.23302368180034,7.1568755724192075,26.477386715513106,0.30092895459897945,1.4523093026298575,0.2834837978106328,26.438135112739324,4.6578568624885515],[25.56919984267797,0,1.9621553118035222,0,0,33.002665734387975,8.574050605252808,30.891928505877722]]

pedersen volatility

Provisional volatility

76.27percentage 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=[[0,0,0,17.058299162060973,1.1659832412194686,2.7990729185238012,0,78.97664467819575],[33.23302368180034,7.1568755724192075,26.477386715513106,0.30092895459897945,1.4523093026298575,0.2834837978106328,26.438135112739324,4.6578568624885515],[25.56919984267797,0,1.9621553118035222,0,0,33.002665734387975,8.574050605252808,30.891928505877722]]

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. “TEZONTEPEC DE ALDAMA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-13-66. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S45f0ea9821, mexico--S170755536b, mexico--Sd4c6aea34e.