Population by age and sex - Cities and FUAs in Iserlohn

Iserlohn: Population by age and sex - Cities and FUAs was 91,811 Persons in 2025. β–¬ Flat

Latest (2025)
91,811 Persons
Change on year
down 0.1%
Rank
1035th
of 1258 regions
All-time high
95,598 Persons
in 2009
All-time low
91,811 Persons
in 2025
Years of data
17
2009–2025

Population by age and sex - Cities and FUAs in Iserlohn, 2009–2025

020.0k40.0k60.0k80.0k100.0k2009201720252009: 95.6k Persons2010: 95.2k Persons2011: 95.0k Persons2012: 94.4k Persons2013: 93.8k Persons2014: 93.1k Persons2015: 92.9k Persons2016: 93.5k Persons2017: 93.2k Persons2018: 92.9k Persons2019: 92.7k Persons2020: 92.2k Persons2021: 91.8k Persons2022: 91.9k Persons2023: 92.5k Persons2024: 91.9k Persons2025: 91.8k Persons

Source: Organisation for Economic Co-operation and Development. Measured in Persons.

Analysis

Iserlohn recorded 91,811 Persons for population by age and sex - cities and fuas in 2025. That is the lowest value across all 17 years on record.

That represents a change of down 0.1% on the previous year and down 1.2% over ten years.

Over the whole period, population by age and sex - cities and fuas in Iserlohn peaked at 95,598 Persons in 2009 and was at its lowest, 91,811 Persons, in 2025.

That places Iserlohn 1035th out of 1258 regions with data for 2025, putting it in the bottom quarter.

Averages by decade

DecadeAverage LowestHighest Years
2000s 95,598 Persons 95,598 Persons 95,598 Persons 1
2010s 93,671 Persons 92,666 Persons 95,232 Persons 10
2020s 92,016 Persons 91,811 Persons 92,540 Persons 6

More population data for Iserlohn

All data for Iserlohn β†’

Frequently asked questions

What is population by age and sex - cities and fuas in Iserlohn?
Population by age and sex - cities and fuas in Iserlohn was 91,811 Persons in 2025, according to Organisation for Economic Co-operation and Development.
What is the highest population by age and sex - cities and fuas recorded in Iserlohn?
The highest recorded value was 95,598 Persons in 2009.
What is the lowest population by age and sex - cities and fuas recorded in Iserlohn?
The lowest recorded value was 91,811 Persons in 2025.
How does Iserlohn rank for population by age and sex - cities and fuas?
Iserlohn ranks 1035th out of 1258 regions with data for 2025.
Is population by age and sex - cities and fuas rising or falling in Iserlohn?
Over the last ten years it is down 1.2%. The long-run trend across the full record is flat.
Where does this Iserlohn data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Population by age and sex - Cities and FUAs. Statizoid updates them automatically from the source API.

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Population by age and sex - Cities and FUAs in Iserlohn. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 17 August 2026, from https://population.statizoid.com/stat/population-by-age-and-sex-cities-and-fuas/iserlohn/

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About this data

Indicator
Population by age and sex - Cities and FUAs
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
1,260 places, 27,887 data points, 1980–2025
Last refreshed

<p align="justify">This dataset provides population counts by 5-year age groups and sex for OECD Functional Urban Areas (FUAs) and cities.</p> <h3>Data sources and methodology</h3> <p align="justify"> Population by age and sex data is collected at the level of small administrative units (e.g. municipalities) and aggregated at the FUA and city level. The correspondence table between SAUs and FUAs/cities is available in <a href=https://webfs-cfe.oecd.org/files/.Stat/cities_local_areas/fua_cities_sau_mapping.parquet>parquet </a> and <a href=https://webfs-cfe.oecd.org/files/.Stat/cities_local_areas/fua_cities_sau_mapping.csv>csv</a> format.<br /><br /> </p> <h3>Defining FUAs and cities</h3> <p align="justify">The OECD, in cooperation with the EU, has developed a harmonised <a href="https://www.oecd.org/en/data/datasets/oecd-definition-of-cities-and-functional-urban-areas.html">definition of functional urban areas</a> (FUAs) to capture the economic and functional reach of cities based on daily commuting patterns <a href=https://doi.org/10.1787/9789264174108-en>(OECD, 2012)</a>. FUAs consist of: <ol> <li><b>A city</b> – defined by urban centres in the degree of urbanisation, adapted to the closest local administrative units to define a city.</li> <li><b>A commuting zone</b> – including all local areas where at least 15% of employed residents work in the city.</li> </ol> The delineation process includes: <ul> <li>Assigning municipalities surrounded by a single FUA to that FUA.</li> <li>Excluding non-contiguous municipalities.</li> </ul> <p>The definition identifies 1 272 FUAs and 1 269 cities in all OECD member countries except Costa Rica and four accession countries.</p> <h3>Cite this dataset</h3> <p>OECD Regions, cities and local areas database (<a href=http://data-explorer.oecd.org/s/1dr>Population by age and sex - Cities and FUAs</a>),Β <a href="http://oe.cd/geostats">http://oe.cd/geostats</a></p> <h3>Further information</h3> <ul> <li> <a href=https://localdataportal.oecd.org/>OECD Local Data Portal </a> </li> <li> <a href=https://www.oecd.org/en/publications/oecd-regions-and-cities-at-a-glance-2024_f42db3bf-en.html/>OECD Regions and Cities at a Glance </a> </li> </ul> <p align="justify">For questions and/or comments, please email <a href="mailto:CitiesStat@oecd.org">CitiesStat@oecd.org</a>