1,932
Households
White Brit. · 69%
Ethnicity
Christian · 44%
Religion
Low deprivation
Avg IMD
£310,000
Median property price
121
Postcodes
Overview of St Mary's Island
Coordinates51.4057, 0.5406
Postcodes
121
Population (Census)
4,483
Households (Census)
1,932
Area Deprivation (Average IMD) for St Mary's Island
Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
Low deprivation
Mean decile 8.17 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as Low deprivation on relative deprivation, with a mean IMD decile of 8.17 (average of postcode-level deciles in this boundary).
Sold prices in St Mary's Island
Property sales · St Mary's Island
HM Land Registry · St Mary's Island
Average price
£330,841
YoY: -5.6%
Median price: £332,500
Property type filter
Recent sale price trend
May '24 – Apr '26Apr '26: 5 sales · avg £249,511
X axis: MonthY axis: Avg sold price (hover shows sales count)
£474k£319k£165k
May '24Nov '24May '25Nov '25Apr '26
Transactions are hidden by default.
Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.
Demographics in St Mary's Island
Ethnicity
White Brit.69.2%
Other White7.1%
African5.8%
Indian5.0%
Other Asian2.0%
+ 5 other groups · 11.0%
Religion
Christian44.2%
No religion40.0%
Not answered6.6%
Muslim3.6%
Hindu3.2%
+ 1 other religions · 2.4%
Age groups
35–4923.2%
50–6418.9%
25–3415.4%
20–247.4%
65–746.9%
+ 6 other age groups · 28.1%
Households
Other25.5%
Married or civil partnership couple: Dependent children16.1%
Married or civil partnership couple: No children11.5%
Cohabiting couple family: No children9.1%
Any member 66+7.0%
+ 7 other households · 30.8%
Schools in St Mary's Island
Open state schools in this area, ranked by Ofsted rating.
St Mary's Island Church of England (Aided) Primary School
Medway · ME4 3ST
Good
0.2 mi
PrimaryStateMixed · Ages 3–11
Waterfront UTC
Medway · ME4 4FQ
Good
0.7 mi
Secondary with sixth formStateMixed · Ages 14–19
School performance data © Crown copyright. Source: Department for Education.
Postcode Districts in St Mary's Island
Postcodes in St Mary's Island
ME4 3AAME4 3ABME4 3ADME4 3AEME4 3AFME4 3AGME4 3AHME4 3AJME4 3ALME4 3ANME4 3APME4 3AQME4 3ARME4 3ASME4 3ATME4 3AUME4 3AWME4 3AXME4 3AYME4 3AZME4 3BAME4 3BBME4 3BDME4 3BEME4 3BGME4 3BHME4 3BJME4 3BLME4 3EAME4 3EBME4 3EEME4 3EGME4 3ELME4 3EPME4 3ERME4 3ESME4 3ETME4 3HAME4 3HBME4 3HDME4 3HGME4 3HNME4 3HPME4 3HQME4 3HRME4 3HSME4 3JAME4 3JDME4 3JEME4 3JFME4 3JGME4 3JHME4 3JJME4 3JLME4 3JNME4 3JPME4 3JQME4 3JRME4 3JSME4 3JTME4 3JUME4 3JYME4 3LAME4 3LBME4 3LDME4 3LEME4 3NRME4 3NUME4 3NXME4 3PAME4 3PNME4 3REME4 3RGME4 3RJME4 3RLME4 3RNME4 3SAME4 3SBME4 3SDME4 3SEME4 3SFME4 3SGME4 3SHME4 3SJME4 3SLME4 3SNME4 3SPME4 3SQME4 3SRME4 3SSME4 3STME4 3SUME4 3SWME4 3SXME4 3SYME4 3SZME4 3TAME4 3TBME4 4ADME4 4AZME4 4FQME4 4FUME4 4FWME4 4FXME4 4FYME4 4FZME4 4GAME4 4GBME4 4LPME4 4QTME4 4QUME4 4QZME4 4SRME4 4SWME4 4ZEME4 4ZFME4 4ZHME4 4ZJME4 4ZLME4 4ZN