You can use American Community Survey (ACS) data in different ways and for different reasons. Each one of our downloadable PDF Compass handbooks helps a particular group with specific how-to instructions and/or case studies.
American FactFinder lets you search, browse, retrieve, view, map, print, and download Census data.
The Oklahoma Department of Libraries maintains several great products to assist in understanding and using census data.
Oklahoma Department of Libraries-Issued Publications (PDF Format)
Circular Area Profiles
This allows you to calculate Census data using as few as 1 and as many as 5 circles whose mileage you determine; Census data will display for the population within each circle. Use the Geographic Names Information System find a latitude and longitude to run a Circular Area Profile search by coordinates.
Population Trend Report
Look at population trends for your county from as early as 1990 onward.