Download Populus

Populus Version 6.0 has been re-released (January 2018) See below for download.

Version 6.0

Issues wit​h age-structured modeling and the inability to adjust values, have been resolved. 

Version 6.0 (For all operating systems)

Version 6.0 of populus is now Open Source. We have established a GitHub project site for source code management. You can view it here: for more information.

Please note that we are limited on the support we can provide. Every computer is setup differently and may have a unique configuration or Security setting that could prevent Populus from running. Please try the troubleshooting steps on the Help and Contact page before contacting us. If you would like to see changes or enhancements, or have found an issues/bug, please contact us

You must have Java installed on your computer before you can run Populus.

To get Java please download Java from this website. (Please be aware of Jave licensing requirements or use Open JDK as an alternative:

Populus has been tested on macOS, Linux, Windows 7, Windows 8, Windows 8.1, and Windows 10. Please ensure .jar files are associated with the Java Runtime Environment (JRE).

macOS users may get the error "App can’t be opened because it is from an unidentified developer” in order to bypass this error you will need to right-click (or control-click) PopulusAll.jar and click Open and then Open again at the popup box.

Additional detail on deploying Populus to a computer lab environment can be found in this document.

Terms of Use

Populus software is produced by the University of Minnesota to foster instruction in population biology.  IBM, the University of Minnesota, and the National Science Foundation have underwritten development, and the software is not a commercial venture. Faculty and students at your educational institution may download Populus and use it gratis for non-profit instructional purposes.  You may incorporate links to this site, in nonprofit materials distributed within or beyond your institution.  This is the only venue maintained to provide the current public version of Populus, and you should distribute the link rather than redistributing the software. By making a Populus download, you signify acceptance of these terms.

License Agreement

© Regents of the University of Minnesota.

This software is released under GNU General Public License 2.0:

No guarantee or warranty is expressed or implied regarding the quality, performance, or usefulness of the Populus software.  It is distributed free and AS IS; by downloading this software, you acknowledge University of Minnesota as the owner of intellectual property rights for the software and documentation.  The mathematical models themselves are intellectual property of the authors and journals that published them.  Those publications are cited in the help files associated with each module, and the help text itself often paraphrases the original publication closely. The University of Minnesota acknowledges this intellectual debt, and thanks the many authors who have corresponded and collaborated in perfecting the Populus implementation of their work.  All rights not expressly granted with respect to this software are withheld by University of Minnesota. Neither the University of Minnesota, nor any other collaborator involved in the project can be held liable for injury or damages relating to this software.

Citing Populus

Don Alstad, 2001, Basic Populus Models of Ecology, Prentice Hall, Inc. ISBN-13 978-0130212894.