The problem you have is that there are several John Hogben's and ages on the 1841 census were rounded. So he could be any of these. Does any look likely to you ?
NAME: John Hogben
BIRTH: abt 1796 - Kent, England
RESIDENCE: 1841 - Brabourne, Brabourne, Kent, England
NAME: John Hogben
BIRTH: abt 1796 - Kent, England
RESIDENCE: 1841 - Lyminge, Lyminge, Kent, England
NAME: John Hogben
BIRTH: abt 1796 - Kent, England
RESIDENCE: 1841 - Newington, Newington, Kent, England
NAME: John Hogben
BIRTH: abt 1796 - Kent, England
RESIDENCE: 1841 - Newington, Newington, Kent, England
Name: John Hogben
Estimated birth year: abt 1801
Gender: Male
Where born: Kent, England
Civil Parish: Lyminge
Hundred: Loningborough
NAME: John Hogben
BIRTH: abt 1801 - Kent, England
RESIDENCE: 1841 - Lyminge, Lyminge, Kent, England
NAME: John Hogben
BIRTH: abt 1806 - Kent, England
RESIDENCE: 1841 - Minster Sheppy, Minster, Kent, England
NAME: John Hogben
BIRTH: abt 1806 - Kent, England
RESIDENCE: 1841 - Acrise, Kent, England
NAME: John Hoghen
[John Hogben]
BIRTH: abt 1806 - Kent, England
RESIDENCE: 1841 - Swingfield, Swingfield, Kent, England