Caernarfon on the map

Caernarfon built-up area

Built-up area3.1 km² (1.2 sq mi)

Location in GwyneddCaernarfon sits where the marker shows within the county.

34,873
Population
14,094
Households
12
Schools nearby
£45,872
Avg. household income
1,292
Businesses
104
People per km²
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About Caernarfon

Caernarfon is a town in the county of Gwynedd, located in north-west Wales. It is situated on the eastern shore of the Menai Strait, with the historic Caernarfon Castle standing prominently in the town centre. The castle, a UNESCO World Heritage Site, was built by Edward I in the 13th century and remains one of the most impressive medieval fortifications in the UK. The town has a strong connection to Welsh history and culture, and the annual Eisteddfod festival is often held here. Caernarfon is easily accessible by road and rail, with the A496 and A5 roads passing through. The town centre features a mix of traditional shops and modern amenities, and the surrounding area offers scenic walks along the coast and into the nearby hills. The postcode area LL55 covers the town and its immediate surroundings.

School Ratings in Caernarfon

There are 21 schools in and around Caernarfon.

House Prices in Caernarfon

The average property price is £212K, with terraced houses making up the majority of the housing stock at around £137K.

Crime and Anti-Social Behaviour in Caernarfon

Recorded crime levels are broadly in line with the national average. Anti-social behaviour is prevalent across Caernarfon, with 30 recorded incidents in May 2026.

Healthcare in Caernarfon

There are 10 GP surgeries within three miles of Caernarfon, the nearest being Sms Gwynedd (0.3 miles away).

Property Prices 3,960 sales

Average Price £212K
£100 , £24.13M
Detached £280K 1,027
Semi £190K 794
Terraced £137K 1,587
Flat £128K 59

Household Income in Caernarfon ONS 2023

The average total household income in Caernarfon is approximately £45,872 a year before tax, 17% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £35,928. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Caernarfon £45,872
England & Wales avg. £55,302

Net (after tax) household income averages £35,928.

Businesses in Caernarfon ONS 2025

There are approximately 1,292 active businesses based in Caernarfon, around 37 for every 1,000 residents. The local economy is dominated by small firms: about 88% are micro-businesses employing fewer than 10 people, while 24 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,292 Total businesses
37 Per 1,000 residents
Micro, 0-9 88%
Small, 10-49 10%
Medium, 50-249 2%
Large, 250+ 0%

Crime in Caernarfon 141 crimes · May 2026

Average Crime Area

Reported crime levels in Caernarfon sit broadly in line with national averages for a town of this size. Violence & sexual offences accounts for the largest share of recorded offences. The profile is typical of a well-populated area with a mix of residential and commercial activity.

Violence & Sexual Offences 61
Anti-Social Behaviour 30
Criminal Damage & Arson 12
Public Order 10
Shoplifting 10
Other Theft 7
Drugs 4
Vehicle Crime 3
Burglary 2
Weapons 1
Other Crime 1
Local Policing
North Wales Peblig (Caernarfon) Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 3 stations

Llanfairpwll Train Station 6.2 miles
Bodorgan Train Station 7.6 miles
Bangor (Gwynedd) Train Station 8 miles

Location

Local Government

District Gwynedd
Ward Canol Tref Caernarfon
Constituency Arfon
Parish Caernarfon

Home Ownership in Caernarfon

Of the 15,057 households in and around Caernarfon, 69% are owned, 18% are socially rented and 13% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 69% Social rented 18% Private rented 13%

Tenure from the 2021 Census (ONS), for the postcode districts covering Caernarfon.

Frequently Asked Questions about Caernarfon

What is the population of Caernarfon?
Caernarfon has a population of approximately 34,873 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Caernarfon?
The average property in and around Caernarfon sold for about £212,132, based on HM Land Registry Price Paid records. That is around 39% below the England and Wales average of £349,091.
What postcodes cover Caernarfon?
Caernarfon is covered by the LL54, LL55 postcode districts.
How many schools are there in Caernarfon?
There are 12 schools within easy reach of Caernarfon, spanning primary, secondary and other phases.
Where is the nearest train station to Caernarfon?
The nearest railway station to Caernarfon is Llanfairpwll Train Station, about 6.2 miles away.