Data / Population / Test Valley

Population in Test Valley

Population in Test Valley was 135,698 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.4% from 2024.

2025, persons135,698
Change on 2024+0.4%
Series high135,6982025
Series low116,6982011

Population in Test Valley, 2011 to 2025

115K120K125K130K135K140K201120142017202020252011: 116,698 persons2012: 117,462 persons2013: 119,068 persons2014: 120,478 persons2015: 122,256 persons2016: 124,155 persons2017: 125,250 persons2018: 126,474 persons2019: 127,652 persons2020: 128,858 persons2021: 131,158 persons2022: 132,879 persons2023: 134,368 persons2024: 135,169 persons2025: 135,698 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
2025135,698
2024135,169
2023134,368
2022132,879
2021131,158
2020128,858
2019127,652
2018126,474
2017125,250
2016124,155
2015122,256
2014120,478
2013119,068
2012117,462
2011116,698

Compared with South East

Place2025
Test Valley135,698
South East9,691,844

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 Test Valley? Cite the source.
get_value {"indicator":"population","place":"gb-la-e07000093"}
GET https://invokely.ai/api/v1/value?indicator=population&place=gb-la-e07000093

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

Questions

What is the population in Test Valley?

Population in Test Valley was 135,698 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.4% 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 Test Valley?

135,698 in 2025, the highest value since 2011 in this series.

Population elsewhere in South East

Related statistics for Test Valley

All statistics for Test Valley