Population in Caerphilly

Population in Caerphilly was 176,078 in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.1% from 2024.

2025, persons176,078
Change on 2024-0.1%
Series high178,7822011
Series low175,9992021

Population in Caerphilly, 2011 to 2025

175K176K177K178K179K201120142017202020252011: 178,782 persons2012: 178,563 persons2013: 178,236 persons2014: 178,513 persons2015: 178,269 persons2016: 178,013 persons2017: 177,610 persons2018: 177,277 persons2019: 176,735 persons2020: 176,805 persons2021: 175,999 persons2022: 176,001 persons2023: 176,277 persons2024: 176,232 persons2025: 176,078 persons
persons. Source: Office for National Statistics, Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved 2026-10-11, published 2026-07-29.
All 15 values
Periodpersons
2025176,078
2024176,232
2023176,277
2022176,001
2021175,999
2020176,805
2019176,735
2018177,277
2017177,610
2016178,013
2015178,269
2014178,513
2013178,236
2012178,563
2011178,782

Compared with Wales

Place2025
Caerphilly176,078
Wales3,175,181

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

Office for National Statistics. Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Contains public sector information licensed under the Open Government Licence v3.0. https://www.nomisweb.co.uk/api/v01/dataset/NM_2002_1.data.json?geography=TYPE480,TYPE424&gender=0&c_age=200&measures=20100&time=2011,latest. Retrieved 2026-10-11.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in Caerphilly? Cite the source.
get_value {"indicator":"population","place":"gb-la-w06000018"}
GET https://invokely.ai/api/v1/value?indicator=population&place=gb-la-w06000018

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in Caerphilly?

Population in Caerphilly was 176,078 in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.1% from 2024.

Where does this figure come from?

Office for National Statistics (United Kingdom). Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved by Invokely on 2026-10-11.

What was the highest population in Caerphilly?

178,782 in 2011, the highest value since 2011 in this series.

Population elsewhere in Wales

Related statistics for Caerphilly

All statistics for Caerphilly