Siu Hei is one of the 37 constituencies in the Tuen Mun District. The constituency returns one district councillor to the Tuen Mun District Council, with an election every four years.
Siu Hei constituency is loosely based on the area of Siu Hei Court, Miami Beach Towers and Marina Garden in Tuen Mun with estimated population of 12,544.
Election results.
2010s.
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2000s.
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1990s.
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! style="text-align:right;" | Swing
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References.
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