Dot Density Map

Dots are placed randomly within regions to show the density of populations. The dots and spacing allow for multiple groups to be shown at once.

Tutorials and Guides

Examples

Pandemic timeline as animated dot density map

As a lead-in and backdrop to a timeline of the past year by…

Dot density to show Covid-19 deaths over time

The United States passed 425,000 coronavirus deaths this week. For The New York…

1 in 5 prisoners had Covid-19, a grid map

The Marshall Project and The Associated Press report on the Covid-19 rates in…

If We All Left to “Go Back Where We Came From”

Imagine that those with immigrants in their family tree left the country. Almost everyone, basically.

Mapping a diverse but segregated America

Aaron Williams and Armand Emamdjomeh for The Washington Post delve into diversity and…

Immigrant America

A dot density map showing one dot for every 20 immigrants.

High-detail maps with Disser

Open data consultancy Conveyal released Disser, a command-line tool to disaggregate geographic data…

Racial dot map

Dustin Cable, a demographer at the University of Virginia’s Weldon Cooper Center for…

Map of every person counted in 2010 US Census

In the 2010 United States Census, 308,745,538 were counted, and Brandon Martin-Anderson from…

Mapping demographics of every block and city in America

Government data technology has felt behind the times the past few years with…

Race and ethnicity mapped by block

Instead of breaking up demographics by defined boundaries, Bill Rankin uses dots to…