Northwood 's population was recorded as 11,068 in 2008 , by the Office for National Statistics reducing to 10,949 in 2011 .
Northwood 's south - eastern neighbourhood Northwood Hills had a population ( in 2001 ) of 10,833 .
Northwood 's population was recorded as 11,068 in 2008 , by the Office for National Statistics reducing to 10,949 in 2011 , and its south - eastern neighbourhood Northwood Hills had a population ( in 2001 ) of 10,833 .