A large variety of federal resources can be used to conduct demographic and other kinds of research on state environmental policy. Representative samples include:
Produced every five years e.g. 2012 and 2017, this Census Bureau resource documents state and local government finances, and selected federal spending data.
The Library of Congress' Congressional Research Service (CRS) presents unbiased reports on various public policy issues for members of Congress, their staff, and the American public.
Provides economic, demographic, and social statistics on areas nationwide including communities, zip codes, and census tracts. See American Community Survey section of this website for post-2010 Census data.
Reports covering virtually every aspect of U.S. agriculture. Production and supplies of food and fiber, prices paid and received by farmers, farm labor and wages, farm finances, chemical use, and changes in the demographics of U.S. producers, etc.
Provides information on national, state, county, and congressional district agricultural activity. Done every five years for years ending in 2 and 7. Available starting in 1840