Map of the Month

Each month a new map is presented to the Commission to help explain important trends in the Bay Area, across the nation and around the world. These custom-crafted maps are prepared by MTC’s Data & Visualization team.

September 2015
This map series highlights one of the most obvious and surprising facts about where people live in the United States. Most of the U.S. population live together in a few densely populated areas. While this is a well known fact, visual explanations of this...
July 2015
According to new data released by the National Oceanic and Atmospheric Administration. This past May was the hottest May on record. In fact, the past five months were the warmest start to a year on record since 1880. It's a continuation of trends that...
June 2015
Bay Area housing production accelerated in 2014, reflecting an ongoing recovery of the region’s housing market. Yet this recovery remains uneven, according to an MTC analysis of California Department of Finance data. In order to get a sense of how actual...
May 2015
Children who grow up in some places go on to earn much more than they would if they grew up elsewhere. Location matters enormously. If you're poor and live in the San Francisco area, it's better to be in Contra Costa County than in San Francisco County...
April 2015
According to a recent report released by TomTom, drivers during the rush hour commute can expect congestion levels to significantly increase their commute time. On average, drivers will spend double the time in the car for most large metropolitan areas...
March 2015
Between 2005-2009 and 2009-2013, homeownership rates in the 9-county Bay Area decreased by about 2.8% overall. But the rates vary significantly across the region. The region's lower-income neighborhoods and its outer suburbs were most impacted by the...
February 2015
This map shows Bay Area employment centers, tracts with long-standing poverty (defined as 30% or more of population having income less than 200% of the federal poverty level in 1990, 2000, and 2010), Communities of Concern, Priority Development Areas,...
January 2015
This month's chart highlights the growing divide between the price of gas and the taxes imposed for its use. When gasoline topped $4 a gallon, opponents of an increase in the gas tax argued that prices were already too high. Now that the average price of...
December 2014
This map visualizes the 2013 pavement condition for local streets within each jurisdiction in the San Francisco Bay Area, as retrieved from MTC's StreetSaver database. Pavement condition is represented by the Pavement Condition Index, which was developed...
October 2014
This map shows, by county-based place types, the percentage change in the population living below 100% of the Federal poverty level. Place types were defined by grouping US Census Designated Places as Central Cities, Inner Suburbs, Outer Suburbs, and...
September 2014
For several years, foreign immigration has been a hot topic in our political debate. However, the movement of people from one state to another can have an even bigger influence on our country's economy, politics and culture than immigration. These two...
July 2014
The U.S. Geological Survey has recently released new earthquake hazard maps for the nation, expanding seismic risk areas in California and along the East Coast. As in past estimates, the threat of earthquakes is highest along the West Coast, the...