Ayer Hitam is a state constituency in Kedah, Malaysia, that is represented in the Kedah State Legislative Assembly.[1] 
  Demographics
   Ethnic breakdown of Ayer Hitam's electorate as of 2023
[2]   - Malay (90.2%)
  - Chinese (6.58%)
  - Other ethnicities (3.09%)
  - Indian (0.09%)
  
       History
 Polling districts
 According to the gazette issued on 30 March 2018, the Ayer Hitam constituency has a total of 18 polling districts.[3] 
   | State constituency  |  Polling districts  |  Code  |  Location  | 
  | Ayer Hitam (N04)  |  Padang Sera  |  005/04/01  |  SK Siputeh  | 
  | Kampung Melele  |  005/04/02  |  SMA Nahdhah Hasanah Melele, Padang Sera  | 
  | Kampung Putat  |  005/04/03  |  SK Putat  | 
  | Kampung Imam  |  005/04/04  |  SMK Megat Dewa  | 
  | Telaga Batu  |  005/04/05  |  SMK Tuanku Seri Indera Putera  | 
  | Padang Perahu  |  005/04/06  |  SK Padang Perahu  | 
  | Kampung Pida  |  005/04/07  |  SK Pida Tiga  | 
  | Kampung Gurindam  |  005/04/08  |  SK Pulau Chapa  | 
  | Alor Biak  |  005/04/09  |  SJK (C) Yuh Min  | 
  | Kubang Sepat  |  005/04/10  |  SK Seri Muda  | 
  | Lana Bulu  |  005/04/11  |  SK Dato' Sri Syed Ahmad  | 
  | Permatang Paku  |  005/04/12  |  SK Matang Paku  | 
  | Matang Bonglai  |  005/04/13  |  SK Tunku Laksamana  | 
  | Jerlun  |  005/04/14  |  SK Jerlun  | 
  | Lubok Pinang  |  005/04/15  |  SK Ayer Hitam  | 
  | Pekan Ayer Hitam  |  005/04/16  |  SJK (C) Yuh Min  | 
  | Kampung Gandai  |  005/04/17  |  SMK Ayer Hitam  | 
  | Kubang Nipah  |  005/04/18  |  SMK Jerlun  | 
 Representation history
    | Members of the Legislative Assembly for Ayer Hitam  | 
  | Parliament |  Years |  Member |  Party  | 
  | Constituency created from Jerlun  | 
  | 9th |  1995–1999 |  Abdul Rahman Ariffin |  BN (UMNO)  | 
  | 10th |  1999–2004 |  Abdul Ghani Ahmad |  PAS  | 
  | 11th |  2004–2008 |  Othman Aziz |  BN (UMNO)  | 
  | 12th |  2008–2013 |  Abdul Ghani Ahmad |  PR (PAS)  | 
  | 13th |  2013–2016 |  Mukhriz Mahathir |  BN (UMNO)  | 
  | 2016–2018 |  PH (BERSATU)  | 
  | 14th |  2018–2020 |  Azhar Ibrahim |  PAS  | 
  | 2020–2023  |  PN (PAS)  | 
  | 15th  |  2023–present  | 
 Election results
   Kedah state election, 2023    | Party  |  Candidate  |  Votes |  % |  ∆%  | 
  |   |  PN |  Azhar Ibrahim |  22,078 |  78.34 |    78.34  | 
  |   |  BN |  Hayazi Azizan |  6,105 |  21.66 |    7.06  | 
  | Total valid votes  |  28,183 |   100.00  | 
  | Total rejected ballots  |  163  | 
  | Unreturned ballots  |  23  | 
  | Turnout  |  28,369 |  75.01 |    8.78  | 
  | Registered electors  |  37,819  | 
  | Majority  |  15,973 |  56.68 |    54.54  | 
  |   |  PN hold  |  Swing  |  ?  | 
  |   | 
        Kedah state election, 1995    | Party  |  Candidate  |  Votes |  % |  ∆%  | 
  |   |  BN |  Abdul Rahman Ariffin |  9,069 |  55.23 |    | 
  |   |  PAS |  Hashim Osman |  7,352 |  44.77 |    | 
  | Total valid votes  |  16,421 |   100.00  | 
  | Total rejected ballots  |  296  | 
  | Unreturned ballots  |  8  | 
  | Turnout  |  16,724 |  75.83  | 
  | Registered electors  |  22,055  | 
  | Majority  |  1,717 |  10.46  | 
  | This was a new constituency created.  | 
 References
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Perlis State Legislative Assembly  | 
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Kedah State Legislative Assembly  | 
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Kelantan State Legislative Assembly  | 
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Terengganu State Legislative Assembly  | 
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Penang State Legislative Assembly  | 
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Perak State Legislative Assembly  | 
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Pahang State Legislative Assembly  | 
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Selangor State Legislative Assembly  | 
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Negeri Sembilan State Legislative Assembly  | 
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Malacca State Legislative Assembly  | 
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Johor State Legislative Assembly  | 
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Sabah State Legislative Assembly  | 
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Sarawak State Legislative Assembly  | 
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