1
vote
1answer
172 views

Demographic Info within 3 miles of longitude and latitude

I want to get demographic information within three or five miles of a location given its longitude and latitude. The demographic info I am looking for include number of people, age distribution, ...
3
votes
4answers
4k views

Free api to reverse geocode latitude, longitude to census tract?

I have a bunch of latitude,longitude coordinates (mostly city/town centroids) in the United States for which I'd like to find the containing census tract. For instance, input => nn.nnn, -nn.nnn ...
11
votes
2answers
3k views

Bulk lookup of address census tract and block

Is there a free or cheap way to code a large number of addresses and return or append the census tract and block data? There are a number of ways to geocode an address and get the lat long, but I ...
9
votes
2answers
403 views

How would one geocode historical US census records?

I want to geocode census records from the U.S. Here is one example from 1870. This particular census page is from the 6th election district, 8th ward of New York County. Here's one from the 1910 ...