Census

The U.S. Constitution requires that every 10 years we take a count— or a census—of America’s population in all 50 states, the District of Columbia, Puerto Rico, and the Island Areas. The decennial census is the largest peacetime mobilization of the U.S. government, relying on each household to self- report the number of residents and […]

A couple of weeks back, I attended the 2015 ACS Data Users Conference and heard a lot of concerned researchers discussing the impact of losing the 3-year estimates from the American Community Survey. In the past, the Census Bureau provided separate 1-year, 3-year, and 5-year estimates – but funding constraints have resulted in the discontinuation […]

In recent decades, the rapid growth of the Hispanic population in the United States has easily been the most discussed population trend. Fueled by immigration and births, the U.S. Hispanic population grew from 4 percent of the population in 1970 to 16 percent—or over 50 million—by 2010. The increase in the U.S. Hispanic population has […]

Among those of us who love old maps, the good people at the Atlas of Historical County Boundaries project have digitized and uploaded historical information on the shape of American counties.  With this data one can animate how America’s political boundaries have changed since the founding of the Massachusetts Bay and Virginia Colonies.  The above video shows historic […]