Southend-on-Sea

East of England · England
-21.8pp WBI 81.6% → 59.8% by 2051 (20-group HP, Census-direct, SNPP-constrained)
180,685 Population (2021 Census)
81.6% White British (2021)
68.5% White British (2041 projected)
59.8% White British (2051 projected)

Ethnic composition

Census 2021 observed data with Hamilton-Perry projections to 2061.

white british 81.6%
white other 5.9%
asian 5.5%
black 2.9%
mixed 3.1%
other 1.1%

Projected 2051

white british 59.8%
white other 9.2%
asian 15.1%
black 5.4%
mixed 8.1%
other 2.5%

What's driving change?

Shift-share decomposes demographic change into national trend, structural composition, and local factors. Dominant driver: national trend.

-5.4pp Total WBI change
-6.4pp National effect
-0.6pp Structural effect
+1.5pp Local effect

Diversity index

moderately diverse Shannon entropy: 0.42 · Dissimilarity: 8.5

Religion

Census 2021 religious composition with projections.

2021 [object Object]
2031 [object Object]
2041 [object Object]
2051 [object Object]

Country of birth

UK-born (2021) 87.5%
Foreign-born (2021) 12.5%
Foreign-born (2051 projected) 39.8%

English proficiency

mainLanguageEnglishPct 94.1%
notEnglishPct 11.8%
cannotSpeakEnglishPct 0.0%

Service demand pressure

59/100 Moderate Pressure Rank 49 of 320
Ethnic change20/20
Asylum7/20
School19/20
Language0/20
Housing14/20

Economic profile

Avg employment rate55.6%
Avg home ownership56.4%
Avg social rent10.5%
Degree or above25.1%
No qualifications17.9%

Housing demand projection

Census 2021 tenure patterns by ethnicity, projected to 2041 from demographic composition change.

Ownership (2021)56.4%
Social rent (2021)10.5%
Private rent (2021)24.7%
Ownership (2041)50.9%
Social rent (2041)9.7%
Social rent change-0.9pp

High foreign-born population growth will drive additional housing demand, particularly in the private rented sector.

School demographics

DfE School Census 2024/25. 31,118 pupils.

WBI pupils62.9%
Minority pupils37.1%
EAL growth (projected)+18.7pp
WBI gap (school vs population)18.7pp

Schools are 19pp more diverse than the general population — schools show the future.

English proficiency

mainLanguageEnglishPct 94.1%
notEnglishPct 11.8%
cannotSpeakEnglishPct 0.0%
Projected non-English growth+13.1pp

Interpreter demand is manageable at current levels.

Updated 14 Apr 2026 · Census 2021, ONS SNPP, DfE School Census