Which preposition to use with demos

for Occurrences 1%

Title page: Open Source Democracy How online communication is changing offline politics by Douglas Rushkoff Acknowledgements Thanks to Tom Bentley and everyone at Demos for the opportunity to extend this inquiry to a new community of thinkers.

of Occurrences 1%

COLONUS, a demos of Attica, a mile NW. of Athens, the birthplace of Sophocles.

per Occurrences 1%

On the ceiling of a room in the gatehouse is inscribed, Mille et Quingentos postquam compleverit Orbis Tuq: et ter demos per sua signi Deus Prima sauluteferi post cunabula Christi, Cui datur omnium Honor, Gloria, Laus, et Amor.

Which preposition to use with  demos