This polygon shapefile depicts boundaries for Congressional Districts 3, 6, 7 and 9 for the County of Sacramento, California as of 2015. Current Congressional District boundaries were drawn in 2011 by the California Citizens Redistricting Commission and took effect with the 2012 election. California is the most populous state in the United States, so has the most representation in the United States House of Representatives, with each Representative representing one Congressional District. The United States is divided into 435 Congressional Districts — 53 in California — each with a population of about 710,000 individuals. Each District elects a representative to the House for a 2 year term. This layer is part of a collection of data originally produced for Sacramento County, California.The Sacramento County Geographic Information Systems (GIS) unit falls under the purview of the Sacramento County Department of Technology and is tasked with initiating, integrating and promoting the use of GIS Technology in the support of County business goals and objectives. This coverage can be used for basic applications, such as viewing, querying and map output production, or to provide a base map to support graphical overlays and analyses of geospatial data.