Data / Population / Dacorum

Population in Dacorum

Population in Dacorum was 162,316 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.7% from 2024.

2025, persons162,316
Change on 2024+0.7%
Series high162,3162025
Series low145,2982011

Population in Dacorum, 2011 to 2025

145K150K155K160K165K201120142017202020252011: 145,298 persons2012: 146,826 persons2013: 148,057 persons2014: 149,380 persons2015: 150,906 persons2016: 152,462 persons2017: 153,282 persons2018: 153,982 persons2019: 154,367 persons2020: 154,815 persons2021: 155,211 persons2022: 156,239 persons2023: 158,612 persons2024: 161,139 persons2025: 162,316 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
2025162,316
2024161,139
2023158,612
2022156,239
2021155,211
2020154,815
2019154,367
2018153,982
2017153,282
2016152,462
2015150,906
2014149,380
2013148,057
2012146,826
2011145,298

Compared with East of England

Place2025
Dacorum162,316
East of England6,613,801

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.

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Questions

What is the population in Dacorum?

Population in Dacorum was 162,316 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.7% 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 Dacorum?

162,316 in 2025, the highest value since 2011 in this series.

Population elsewhere in East of England

Related statistics for Dacorum

All statistics for Dacorum