The population of the District of Columbia has grown since the census in 2010. DC neighborhoods are now denser, with population spikes in both adults and children.
Here are five uses of census data for our government, local communities, education, health care, and businesses.
In the United States, it is a 230-year-old tradition. Worldwide, the practice is much older than that, dating back to the time of the Ancient Babylonians, Chinese, Egyptians and Romans.