Local authority · South East

Spelthorne: population and statistics

Spelthorne has a population of 107,188 (2025) across 51.2 km², or 2,095 people per km². It ranks 277 of 361 local authorities by population. Its population is growing: +7.5% between 2015 and 2025.

  • 107,188 residents
  • 51.2 km²
  • 2,095 people/km²
Location map: Spelthorne

Spelthorne in numbers

Population
107,188
ranked 277 of 361 +7.5%
Population density
2,095people/km²
ranked 94 of 361
Area
51.2km²
ranked 308 of 361
Households heated by oil only
0.1%%
ranked 246 of 318
House price change over 12 months
−2.9%%
ranked 334 of 360
Median annual pay, full-time residents (gross)
£44,265GBP
ranked 61 of 348
Share of residents aged under 16
19.1%%
ranked 82 of 361

Population of Spelthorne over time

98,640101,861105,082108,3032015 : 99,7552016 : 100,4612017 : 100,8192018 : 101,1512019 : 102,0622020 : 102,3042021 : 103,0362022 : 103,7002023 : 104,7012024 : 106,4532025 : 107,188201520172019202120232025

Spelthorne had 99,755 residents in 2015 and 107,188 in 2025.

YearPopulation
2020102,304
2021103,036
2022103,700
2023104,701
2024106,453
2025107,188

All indicators for Spelthorne

Value for the area, then the regional average and the UK median (for counts: regional and UK totals). The gauge places the area between the lowest and highest value in the UK.

Population

IndicatorSpelthorneSouth EastUKPositionRank
Share of residents aged 65 and over (2025)18.1%20.2%20.4%ranked 252 of 361
Share of residents aged under 16 (2025)19.1%18.1%17.4%ranked 82 of 361

Housing

IndicatorSpelthorneSouth EastUKPositionRank
Dwellings (Council Tax stock) (2026)45,080 dwellings4,201,53027,429,300ranked 264 of 318
Dwellings built before 1940 (2026)28.5%28.0%31.6%ranked 193 of 318
Dwellings built since 2000 (2026)14.5%19.8%18.1%ranked 240 of 318
Households (Census 2021) (2021)41,804 households72,55361,440ranked 258 of 318
Households living in a house or bungalow (2021)72.9%77.8%84.7%ranked 263 of 318
Households living in a flat or maisonette (2021)26.4%21.5%14.8%ranked 57 of 318
Owner-occupied households (incl. shared ownership) (2021)69.4%67.0%67.3%ranked 110 of 318
Households renting privately (2021)17.9%19.2%17.6%ranked 148 of 318
Households in social housing (2021)12.7%13.7%14.3%ranked 224 of 318
Average house price (2026)£439,609£392,981£272,474ranked 61 of 360
House price change over 12 months (2026)−2.9%0.5%2.2%ranked 334 of 360

Energy

IndicatorSpelthorneSouth EastUKPositionRank
Households without central heating (2021)1.4%1.3%1.2%ranked 117 of 318
Households heated by mains gas only (2021)78.5%74.6%76.7%ranked 123 of 318
Households heated by electricity only (2021)10.3%9.2%7.8%ranked 76 of 318
Households heated by oil only (2021)0.1%3.2%0.9%ranked 246 of 318

Economy

IndicatorSpelthorneSouth EastUKPositionRank
Business sites (local units) (2026)5,335 sites472,2603,232,440ranked 238 of 361
Business sites per 1,000 residents (2026)49.8 per 1,00048.7 per 1,00044.4 per 1,000ranked 110 of 361
Registered businesses (enterprises) (2026)4,710 businesses412,0752,786,975ranked 232 of 361
Median annual pay, full-time residents (gross) (2025)£44,265£41,780£38,490ranked 61 of 348

Jobs

IndicatorSpelthorneSouth EastUKPositionRank
Employment rate, aged 16-64 (2025-2026)78.7%79.1%76.3%ranked 118 of 347
Out-of-work benefit claimants, share of residents aged 16-64 (2026)3.6%3.1%3.2%ranked 120 of 361

Transport

IndicatorSpelthorneSouth EastUKPositionRank
Households without a car or van (2021)14.7%16.8%18.5%ranked 218 of 318

Key points

Among the 64 local authorities in South East, Spelthorne ranks 50 by population.

Households heated by oil only: 0.1% in Spelthorne, compared with an average of 3.2% in South East and 3.4% across the UK.

House price change over 12 months: −2.9% in Spelthorne, compared with an average of 0.5% in South East and 1.9% across the UK.

Largest business sector: Construction, with 18.1% of the area's business sites.

Did you know?

Business sectors: Spelthorne

Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than across the UK.

Where is Spelthorne?

Frequently asked questions

What is the population of Spelthorne?

Spelthorne has 107,188 residents (2025), ranking 277 of 361 local authorities.

How big is Spelthorne?

Spelthorne covers 51.2 km², with a density of 2,095 people per km².

Is the population of Spelthorne growing?

Between 2015 and 2025, the population of Spelthorne went from 99,755 to 107,188, a change of +7.5%.

Where is Spelthorne?

Spelthorne is in South East (region). Latitude 51.433, longitude −0.500.

Households heated by oil only: what is the figure for Spelthorne?

In Spelthorne, “Households heated by oil only” stands at 0.1% (2021), ranking 246 of 318 local authorities; the UK median is 0.9%.

House price change over 12 months: what is the figure for Spelthorne?

In Spelthorne, “House price change over 12 months” stands at −2.9% (2026), ranking 334 of 360 local authorities; the UK median is 2.2%.

Which local authorities border Spelthorne?

The nearest to Spelthorne are Runnymede (5.1 km), Slough (8.7 km), Hounslow (10 km), Elmbridge (12 km), Windsor and Maidenhead (12 km).