Methodology. To determine how the population of every state has changed in the last 100 years, 24/7 Wall St. reviewed Center of Population data from 1880 to 2020 from the U.S. Census Bureau.

The visualization was built by Robert J. Vanderbei, a mathematician at Princeton, using publically available election data.It shows the proportion of people who voted Democrat or Republican for ...

The Johns Hopkins Coronavirus Resource Center has launched a new data visualization tool that gives an indication of the impact of state's policy decisions, a release that comes as COVID-19 cases are ...

For years, Colorado saw massive population growth as people flocked to the state, but state data shows over the past 10 years, that growth is slowing down.

New state data shows Seattle's population hitting 816,600 in 2025. If that growth continues, the city's population would overtake San Francisco’s within the next two years, writes FYI Guy.

New U.S. census data released on Thursday show the white population declined for the first time in history last decade, with significant increases among people who identify as multi-racial ...

After more than 200 years of immigration, America's population has evolved into a vast mosaic of nearly 330 million residents, whose ancestors hail from every corner of the world.