From Cities in Full by Steve Belmont (page 25):

Generally, population density and transit ridership go hand in hand. But one city stands out as having a higher-than-usual percentage of commuters taking transit compared to its density.

Update: Commenter Ward 1 Guy created a scatterplot of this data, which I ran through XYChartLabeler to put the city names on each data point (which Excel stupidly doesn’t support). Here’s the chart.

David Alpert created Greater Greater Washington in 2008 and was its executive director until 2020. He formerly worked in tech and has lived in the Boston, San Francisco Bay, and New York metro areas in addition to Washington, DC. He lives with his wife and two children in Dupont Circle.