Local authority · South West

Isles of Scilly: population and statistics

Isles of Scilly has a population of 2,299 (2025) across 16.3 km², or 141 people per km². It ranks 361 of 361 local authorities by population. Its population is growing: +2.7% between 2015 and 2025.

  • 2,299 residents
  • 16.3 km²
  • 141 people/km²
  • 51 m
Location map: Isles of Scilly

Isles of Scilly in numbers

Population
2,299
ranked 361 of 361 +2.7%
Population density
141people/km²
ranked 308 of 361
Area
16.3km²
ranked 358 of 361
Elevation
51m
ranked 10 of 14
Dwellings (Council Tax stock)
1,160dwellings
ranked 318 of 318
Households without central heating
17.5%%
ranked 1 of 318
Business sites (local units)
245sites
ranked 361 of 361
Out-of-work benefit claimants, share of residents aged 16-64
1.5%%
ranked 359 of 361

Population of Isles of Scilly over time

1,9652,1532,3422,5302015 : 2,2382016 : 2,2362017 : 2,1702018 : 2,1662019 : 2,0982020 : 2,0302021 : 2,2712022 : 2,3522023 : 2,4652024 : 2,3832025 : 2,299201520172019202120232025

Isles of Scilly had 2,238 residents in 2015 and 2,299 in 2025.

YearPopulation
20202,030
20212,271
20222,352
20232,465
20242,383
20252,299

All indicators for Isles of Scilly

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

IndicatorIsles of ScillySouth WestUKPositionRank
Share of residents aged 65 and over (2025)26.8%23.2%20.4%ranked 45 of 361
Share of residents aged under 16 (2025)13.7%16.2%17.4%ranked 349 of 361

Housing

IndicatorIsles of ScillySouth WestUKPositionRank
Dwellings (Council Tax stock) (2026)1,160 dwellings2,721,25027,429,300ranked 318 of 318
Dwellings built before 1940 (2026)44.8%31.7%31.6%ranked 54 of 318
Dwellings built since 2000 (2026)13.8%20.6%18.1%ranked 251 of 318
Households (Census 2021) (2021)939 households143,79761,440ranked 318 of 318
Households living in a house or bungalow (2021)75.3%80.6%84.7%ranked 245 of 318
Households living in a flat or maisonette (2021)24.6%18.6%14.8%ranked 71 of 318
Owner-occupied households (incl. shared ownership) (2021)46.0%66.9%67.3%ranked 297 of 318
Households renting privately (2021)36.6%19.7%17.6%ranked 6 of 318
Households in social housing (2021)17.3%13.3%14.3%ranked 95 of 318

Energy

IndicatorIsles of ScillySouth WestUKPositionRank
Households without central heating (2021)17.5%1.7%1.2%ranked 1 of 318
Households heated by mains gas only (2021)6.4%67.1%76.7%ranked 318 of 318
Households heated by electricity only (2021)39.7%10.3%7.8%ranked 1 of 318
Households heated by oil only (2021)10.4%7.0%0.9%ranked 44 of 318

Economy

IndicatorIsles of ScillySouth WestUKPositionRank
Business sites (local units) (2026)245 sites278,7653,232,440ranked 361 of 361
Business sites per 1,000 residents (2026)106.6 per 1,00047.2 per 1,00044.4 per 1,000ranked 5 of 361
Registered businesses (enterprises) (2026)215 businesses237,9352,786,975ranked 361 of 361

Jobs

IndicatorIsles of ScillySouth WestUKPositionRank
Out-of-work benefit claimants, share of residents aged 16-64 (2026)1.5%2.7%3.2%ranked 359 of 361

Transport

IndicatorIsles of ScillySouth WestUKPositionRank
Households without a car or van (2021)41.8%16.8%18.5%ranked 18 of 318

Key points

Among the 27 local authorities in South West, Isles of Scilly ranks 27 by population.

Households without central heating: 17.5% in Isles of Scilly, compared with an average of 1.7% in South West and 1.5% across the UK.

Largest business sector: Accommodation and food services, with 19.6% of the area's business sites.

Did you know?

Business sectors: Isles of Scilly

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 Isles of Scilly?

Frequently asked questions

What is the population of Isles of Scilly?

Isles of Scilly has 2,299 residents (2025), ranking 361 of 361 local authorities.

How big is Isles of Scilly?

Isles of Scilly covers 16.3 km², with a density of 141 people per km².

Is the population of Isles of Scilly growing?

Between 2015 and 2025, the population of Isles of Scilly went from 2,238 to 2,299, a change of +2.7%.

Where is Isles of Scilly?

Isles of Scilly is in South West (region). Latitude 49.920, longitude −6.300.

Dwellings (Council Tax stock): what is the figure for Isles of Scilly?

In Isles of Scilly, “Dwellings (Council Tax stock)” stands at 1,160 dwellings (2026), ranking 318 of 318 local authorities; the UK median is 67,955 dwellings.

Households without central heating: what is the figure for Isles of Scilly?

In Isles of Scilly, “Households without central heating” stands at 17.5% (2021), ranking 1 of 318 local authorities; the UK median is 1.2%.

Which local authorities border Isles of Scilly?

The nearest to Isles of Scilly are Cornwall (123 km), Plymouth (163 km), West Devon (175 km), Torridge (180 km), South Hams (194 km).