The following resources may be useful in gaining additional information on demographics.
One of the world’s largest sources of data and analysis. The basic data collection conducted every 10 years is required by the U.S. Constitution and provides population reporting, various data estimates and analyses in both English and Spanish. One particularly useful Census tool is the American Fact Finder, which provides the ability to search data and reports by many factors, including demographic types and zip code.
This is an important initiative of the U.S. Census Bureau, which samples 3 million households annually to provide updates between each 10-year data collection. Currently, the American Community Survey provides estimates for the nation, states, and individual communities with a population of 65,000 or more.