Map of the Month

These custom-crafted maps are developed by ABAG and MTC’s mapmakers who turn data into art to tell compelling stories about important trends in the Bay Area, across the nation and around the world.

June, 2012

Bay Area Racial Diversity In 2010

This map illustrates the racial and ethnic diversity in the Bay Area from Census 2010. Racial diversity is measured by a diversity index that is calculated using US Census racial and ethnic population...

April, 2012

Most Densely Populated Urban Areas In 2010

This map illustrates the Nation's top five most densely populated Urban Areas as tabulated by Census 2010. Four of these areas are in California. The San Francisco-Oakland and San Jose Urban Areas...

March, 2012

Housing And Transportation Costs In 2009

T he map shows the Center for Neighborhood Technology's Housing and Transportation (H+T) Affordability Index using 2009 American Community Survey Data. Compared side-by-side is the cost of housing as...

February, 2012

Income Thresholds For "The 1%" By Metropolitan Area

This map illustrates the variation by metropolitan area of income levels required to be in the top 1% of earners. While a U.S. household must earn greater than $380,000 to rank in the top 1% of all...

January, 2012

Years Since Last Gas Tax Increase

In the map, we have color-coded the number of years since each of the 50 states last raised taxes on gasoline. On the positive, side, quite a few states managed to raise rates within the past year...

December, 2011

Bart Vision Vs. Reality

Our map of the month mixes something old with something new. We dug up a historical map showing the original plans for building and extending BART, circa 1957. Then we superimposed the actual BART...

November, 2011

Travel Time And Housing Price Maps: 390 Main St.

These maps show a comparison of communities with home values between $250,000 and $750,000 that are accessible by auto and transit in a 45 minute evening commute from (to pick a random address) 390...