The released version of GeoPandas is 0.1. To install the released version, use pip install geopandas.
You may install the latest development version by cloning the GitHub repository and using the setup script:
git clone https://github.com/geopandas/geopandas.git
cd geopandas
python setup.py install
It is also possible to install the latest development version available on PyPI with pip by adding the --pre flag for pip 1.4 and later, or to use pip to install directly from the GitHub repository with:
pip install git+git://github.com/geopandas/geopandas.git