3
votes
3answers
843 views

Where can I find the finest granularity of 2010 US census population information?

I am writing a re-districting application where I want to be able to create US voting districts based on geographic coordinate population data. In a perfect world, I would have the population for each ...
11
votes
9answers
10k views

Is there a comprehensive list of latitude and longitude values for cities around the world?

I'm developing an application that calculates the distance between cities using their respective Longitude and Latitude values. But the problem is where to get a comprehensive list of latitude and ...
18
votes
7answers
11k views

Where to get 2010 Census Block data?

This might be a stupid question but I would like to download 2010 Census Block Data for several towns and I can't seem to find it on American Factfinder. Is it there? And if not, does anyone know ...
5
votes
3answers
405 views

Is there a DTM available for free somewhere?

To go a little bit further than the semantic question regarding DEM/DTM/DSM, I'd like to know if there is a free (of charges and use) DTM datasets? And what about resolution? As far as I know,only ...