The Research Data Center Ruhr combines research data management and data services, with regional datasets using standardized area references.
Stadt Mülheim Open Data Portal
Mülheim an der Ruhr publishes administrative raw data for reuse in civic projects, education, and research.

About Stadt Mülheim Open Data Portal
The Open Data portal of the city of Mülheim an der Ruhr publishes administrative raw data as open data, organized into areas including population, finance, geodata, structural data, environment, transport and elections. The site states that an automated update process ensures only the most current data is published.
Third parties may use the data for civic engagement, school lessons, scientific work or commercial purposes, including building websites and apps. Only data that is not personal-protection relevant or restricted under data protection law is released. A DKAN API is documented for programmers, and a map view lets users click a feature to see its details.
Key features
- Datasets grouped by population, finance, geodata, structural data, environment, transport and elections
- Automated updating described as publishing only the most current data
- Documented DKAN API for programmers
- Dataset search
- Map view with clickable features showing details
- License and terms of use published on the site
- Covers several administrative subject areas in a single portal
- States that civic, educational, scientific and commercial reuse is permitted
- Describes automated updating of published datasets
- Only data that is not personal-protection relevant or restricted under data protection law is released
- Phone contact is available only Monday to Friday, 8:00 to 18:00
Stadt Mülheim Open Data Portal at a glance
- Official website
- geo.muelheim-ruhr.de/open-data/13819
- Category
- Research & Data › Open Data in Germany
- Type
- Dataset
- Platforms
- Web
- Country
- DE
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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