Department of Health figures show the typical life term for people in the area is 76.3.
In Maidenhead, villagers living in Hurley and the Walthams have the lowest life expectancy of 76.9.
Eton and Castle has the best longevity across the borough with a sprightly average of 82 and Furze Platt takes second spot with 81.7.
The data, based on death rates between 2006 and 2010, has been used by the council to identify gaps between different areas and find ways of reducing the gap.
The low ranking of Hurley and the Walthams 'amazed' ward councillor Maureen Hunt (Con).
"It is such a beautiful and tranquil ward and we have 99 per cent greenbelt here," she said.
"This lovely ward and has such a great community spirit. Nobody wants to move away."
Fellow ward councillor Carwyn Cox (Con) said: "It's disappointing to be at the bottom of any list.
"We need to find out why the life expectancy is one of the lowest and what we can do to address that."
Eton and Castle 82.0
Furze Platt 81.7
Old Windsor 81.3
Castle Without 81.0
Sunninghill and South Ascot 81.0
Eton Wick 80.7
Maidenhead Riverside 80.5
Clewer North 80.1
Horton and Wraysbury 80.0
Boyn Hill 79.9
Pinkneys Green 79.5
Cox Green 79.4
Clewer South 79.3
Bisham and Cookham 79.0
Clewer East 77.8
Hurley and Walthams 76.9
Ascot and Cheapside 76.3
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