Local authority · Wales

Isle of Anglesey: population and statistics

Isle of Anglesey has a population of 68,607 (2025) across 715.2 km², or 95.9 people per km². It ranks 346 of 361 local authorities by population. Its population is falling: −1.2% between 2015 and 2025.

  • 68,607 residents
  • 715.2 km²
  • 96 people/km²
Location map: Isle of Anglesey

Isle of Anglesey in numbers

Population
68,607
ranked 346 of 361 −1.2%
Population density
96people/km²
ranked 326 of 361
Area
715km²
ranked 79 of 361
Households heated by mains gas only
43.8%%
ranked 313 of 318
Households (Census 2021)
30,824households
ranked 303 of 318
Business sites (local units)
3,285sites
ranked 337 of 361
Share of residents aged 65 and over
28.2%%
ranked 25 of 361

Population of Isle of Anglesey over time

68,10768,60069,09369,5862015 : 69,4152016 : 68,8262017 : 68,6172018 : 68,5392019 : 68,2782020 : 68,7942021 : 68,9372022 : 69,0342023 : 69,1272024 : 68,8732025 : 68,607201520172019202120232025

Isle of Anglesey had 69,415 residents in 2015 and 68,607 in 2025.

YearPopulation
202068,794
202168,937
202269,034
202369,127
202468,873
202568,607

All indicators for Isle of Anglesey

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

IndicatorIsle of AngleseyWalesUKPositionRank
Share of residents aged 65 and over (2025)28.2%22.2%20.4%ranked 25 of 361
Share of residents aged under 16 (2025)16.1%16.8%17.4%ranked 262 of 361

Housing

IndicatorIsle of AngleseyWalesUKPositionRank
Dwellings (Council Tax stock) (2026)36,250 dwellings1,492,63027,429,300ranked 298 of 318
Dwellings built before 1940 (2026)34.5%39.4%31.6%ranked 130 of 318
Dwellings built since 2000 (2026)15.1%15.3%18.1%ranked 223 of 318
Households (Census 2021) (2021)30,824 households75,14861,440ranked 303 of 318
Households living in a house or bungalow (2021)92.5%87.0%84.7%ranked 16 of 318
Households living in a flat or maisonette (2021)7.0%12.7%14.8%ranked 299 of 318
Owner-occupied households (incl. shared ownership) (2021)68.5%66.3%67.3%ranked 129 of 318
Households renting privately (2021)15.6%17.1%17.6%ranked 227 of 318
Households in social housing (2021)15.6%16.5%14.3%ranked 123 of 318
Average house price (2026)£231,943£218,855£272,474ranked 227 of 360
House price change over 12 months (2026)−0.3%2.7%2.2%ranked 270 of 360

Energy

IndicatorIsle of AngleseyWalesUKPositionRank
Households without central heating (2021)2.3%1.1%1.2%ranked 24 of 318
Households heated by mains gas only (2021)43.8%71.8%76.7%ranked 313 of 318
Households heated by electricity only (2021)8.0%5.3%7.8%ranked 145 of 318
Households heated by oil only (2021)21.6%7.7%0.9%ranked 10 of 318

Economy

IndicatorIsle of AngleseyWalesUKPositionRank
Business sites (local units) (2026)3,285 sites128,2503,232,440ranked 337 of 361
Business sites per 1,000 residents (2026)47.9 per 1,00040.4 per 1,00044.4 per 1,000ranked 136 of 361
Registered businesses (enterprises) (2026)2,735 businesses106,1702,786,975ranked 338 of 361
Median annual pay, full-time residents (gross) (2025)£35,709£36,288£38,490ranked 264 of 348

Jobs

IndicatorIsle of AngleseyWalesUKPositionRank
Employment rate, aged 16-64 (2025-2026)73.2%72.2%76.3%ranked 248 of 347
Out-of-work benefit claimants, share of residents aged 16-64 (2026)3.5%3.4%3.2%ranked 132 of 361

Transport

IndicatorIsle of AngleseyWalesUKPositionRank
Households without a car or van (2021)15.0%19.5%18.5%ranked 210 of 318

Key points

Among the 22 local authorities in Wales, Isle of Anglesey ranks 20 by population.

Households heated by mains gas only: 43.8% in Isle of Anglesey, compared with an average of 71.8% in Wales and 73.9% across the UK.

Households (Census 2021): 30,824 households in Isle of Anglesey, compared with an average of 75,148 households in Wales and 111,842 households across the UK.

Largest business sector: Agriculture, forestry and fishing, with 19.3% of the area's business sites.

Did you know?

Business sectors: Isle of Anglesey

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 Isle of Anglesey?

Frequently asked questions

What is the population of Isle of Anglesey?

Isle of Anglesey has 68,607 residents (2025), ranking 346 of 361 local authorities.

How big is Isle of Anglesey?

Isle of Anglesey covers 715.2 km², with a density of 96 people per km².

Is the population of Isle of Anglesey growing?

Between 2015 and 2025, the population of Isle of Anglesey went from 69,415 to 68,607, a change of −1.2%.

Where is Isle of Anglesey?

Isle of Anglesey is in Wales (region). Latitude 53.294, longitude −4.377.

Households heated by mains gas only: what is the figure for Isle of Anglesey?

In Isle of Anglesey, “Households heated by mains gas only” stands at 43.8% (2021), ranking 313 of 318 local authorities; the UK median is 76.7%.

Households (Census 2021): what is the figure for Isle of Anglesey?

In Isle of Anglesey, “Households (Census 2021)” stands at 30,824 households (2021), ranking 303 of 318 local authorities; the UK median is 61,440 households.

Which local authorities border Isle of Anglesey?

The nearest to Isle of Anglesey are Conwy (44 km), Gwynedd (60 km), Denbighshire (72 km), Flintshire (82 km), Wirral (91 km).