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

Office briefing

ATOTONILCO DE TULA — Municipal government

Tracked current office. Identifiers stay separate from display names.

Mexico · ATOTONILCO DE TULA / HIDALGO · municipal · Municipal governmentMX-M-13-12

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
ATOTONILCO DE TULA / HIDALGO
Next election
2027-06-06
Linked upcoming event
next-e54facf3f18c86fdc4c71474
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_MORENA_NAH21.2%
  • CAND_IND1721.0%
  • MC18.0%
  • PVEM13.6%
  • PT10.8%
  • CAND_IND168.3%
  • C_PAN_PRI_PRD2.9%
Results for event-6ef06a5c46bb7acd8a1ace47
Label / candidateParty codeVotesShareSeatsStatus
C_MORENA_NAHmexico/S106968ea28/20245,66521.2%UnknownRecorded
CAND_IND17mexico/S106968ea28/20245,61521%UnknownRecorded
MCmexico/S106968ea28/20244,82118%UnknownRecorded
PVEMmexico/S106968ea28/20243,64113.6%UnknownRecorded
PTmexico/S106968ea28/20242,90110.8%UnknownRecorded
CAND_IND16mexico/S106968ea28/20242,2138.3%UnknownRecorded
C_PAN_PRI_PRDmexico/S106968ea28/20247662.9%UnknownRecorded

2020

Special · Legal certification not established · candidate marks

  • PAN_PRD21.7%
  • MAS_X_HIDALGO17.4%
  • PT14.7%
  • MORENA9.7%
  • PRI8.0%
  • PANALH7.3%
  • CAND_IND56.9%
  • PVEM4.9%
  • ESH4.9%
  • MC1.2%
  • PODEMOS1.1%
Results for event-eedb0af2f2cc9259f60d9119
Label / candidateParty codeVotesShareSeatsStatus
PAN_PRDmexico/S04e3ae8c4a/20203,86021.7%UnknownRecorded
MAS_X_HIDALGOmexico/S04e3ae8c4a/20203,10317.4%UnknownRecorded
PTmexico/S04e3ae8c4a/20202,60714.7%UnknownRecorded
MORENAmexico/S04e3ae8c4a/20201,7309.7%UnknownRecorded
PRImexico/S04e3ae8c4a/20201,4278%UnknownRecorded
PANALHmexico/S04e3ae8c4a/20201,3057.3%UnknownRecorded
CAND_IND5mexico/S04e3ae8c4a/20201,2206.9%UnknownRecorded
PVEMmexico/S04e3ae8c4a/20208704.9%UnknownRecorded
ESHmexico/S04e3ae8c4a/20208654.9%UnknownRecorded
MCmexico/S04e3ae8c4a/20202101.2%UnknownRecorded
PODEMOSmexico/S04e3ae8c4a/20201971.1%UnknownRecorded

2016

Special · Legal certification not established · candidate marks

  • ES29.1%
  • PRI_PVEM_PANAL21.3%
  • PRD19.6%
  • PT11.7%
  • MC8.9%
  • MORENA8.1%
Results for event-9f0925221b1e372a09cac091
Label / candidateParty codeVotesShareSeatsStatus
ESmexico/S248ef86cac/20164,75929.1%UnknownRecorded
PRI_PVEM_PANALmexico/S248ef86cac/20163,48621.3%UnknownRecorded
PRDmexico/S248ef86cac/20163,20319.6%UnknownRecorded
PTmexico/S248ef86cac/20161,90911.7%UnknownRecorded
MCmexico/S248ef86cac/20161,4538.9%UnknownRecorded
MORENAmexico/S248ef86cac/20161,3218.1%UnknownRecorded

4. Competition and volatility

competition index

Provisional imported-series CI

88.940–100 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=0.19514479743969915, oldest_gap=7.891637220259128, previous_gap=4.352075428308613

pedersen volatility

Provisional volatility

26.82percentage 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=[[0,0,0,11.322301147451409,14.210444149558972,18.8158613691359,0,55.651393333853726],[0,8.20397838335058,0,14.987926871334944,5.001724732666437,1.2073128665056916,9.94595837645165,60.65309876969069],[0,0,19.856177546339346,11.834356208542557,0,9.007501084867647,8.189200917488067,51.11276424276238]]

pedersen volatility

Provisional volatility

27.66percentage 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=[[0,0,0,11.322301147451409,14.210444149558972,18.8158613691359,0,55.651393333853726],[0,8.20397838335058,0,14.987926871334944,5.001724732666437,1.2073128665056916,9.94595837645165,60.65309876969069],[0,0,19.856177546339346,11.834356208542557,0,9.007501084867647,8.189200917488067,51.11276424276238]]

pedersen volatility

Provisional volatility

27.24percentage 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=[[0,0,0,11.322301147451409,14.210444149558972,18.8158613691359,0,55.651393333853726],[0,8.20397838335058,0,14.987926871334944,5.001724732666437,1.2073128665056916,9.94595837645165,60.65309876969069],[0,0,19.856177546339346,11.834356208542557,0,9.007501084867647,8.189200917488067,51.11276424276238]]

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. “ATOTONILCO DE TULA — Municipal government.” Subnational Election Observatory, releaselatin-america-fe5e91689def, snapshot 2026-09-13. /electiondatabase/offices/MX-M-13-12. Sources: mexico--url-3635e08ffbefd711526cbeea, mexico--S106968ea28, mexico--S04e3ae8c4a, mexico--S248ef86cac.