In order delineate the border, the treaty created the Mexican-United States Boundary Commission, which was tasked with surveying and marking the exact boundary between the two countries.ĭisputes between the United States and Mexico, however, did still occur after the border between the two countries was formally demarcated. Thus, the treaty established the border between the United States and Mexico as it exists today. Under the terms of the treaty, Mexico ceded 55% of its northern territory to the United States, and also relinquished its claims over the future US state of Texas. The story of the US-Mexico border, as it is configured today, begins with the Treat of Guadalupe Hidalgo in 1848, which ended the US-Mexican War. History Of The US-Mexico Border Map showing the border area between the United States and Mexico. Ever since it was delineated, the border has been a focal point for controversy and passionate debate, mainly related to the flow of people that cross it from Mexico into the United States, though not exclusively. The border was established by an agreement between the United States and Mexico in the mid-19 th century. The western section is a land border that separates Mexico from the US states of New Mexico, Arizona, and California. The eastern section of the border is a long river known as the Rio Grande, which separates the US state of Texas from several Mexican states. Public Affairs Office: To receive information concerning community or media-related issues, contact the San Diego Sector Public Affairs Office at (619) 216-4182 or email at Seizure Office: Contact the San Diego Sector at (619) 498-9817 for vehicle seizure or asset forfeiture inquiries.The US-Mexico border is a frontier that stretches for 3,110 km between the United States and Mexico. You will find additional information about careers with the Border Patrol in the Careers section of this website. Stations: Stations of the San Diego Sector are located in Brown Field, Boulevard, Campo, Chula Vista, El Cajon, Imperial Beach, San Clemente, and Newton-Azrak.Ĭontact Information: Phone Number (619) 216-4000 Sector Headquarters Mailing Address - 2411 Boswell Rd., Chula Vista, CA 91914-3519Įmployment Opportunities: To obtain information about employment opportunities with the Border Patrol, you may contact this Sector and ask to speak to a recruiter. Sector Headquarters Location: 2411 Boswell Road, Chula Vista, California Service Area: The San Diego Sector covers the entire San Diego County. Moreover, San Diego Sector has enhanced its strategic partnerships with other Federal, state, and local law enforcement agencies. Today's complex threats are being addressed through intelligence driven operations, as well as through integrated and collaborative operational planning and execution with other Customs and Border Protection agencies. In 1998, the BSI was initiated, a multi-faceted border safety campaign designed to reduce injuries and prevent fatalities along the border. San Diego Sector was then able to concentrate on other areas, such as establishing the Border Safety Initiative (BSI). Directly south of San Diego lie the Mexican cities of Tijuana and Tecate, Baja California, which have a combined population of more than four and a half million people.Īs a result, illegal entries were reduced by approximately 75 percent over the next few years to a more manageable level in the late 1990s. The San Diego Sector encompasses coastal beaches and expansive mesas that lead to coastal and inland mountains, rugged canyons, and high desert.

San Diego Sector's primary operational area of responsibility consists of 7,000 square miles including 60 linear miles of international boundary with Mexico and 114 coastal border miles along the Pacific Ocean. The San Diego Sector encompasses 56,831 square miles including 931 miles of coastal border from the California border with Mexico north to Oregon.

California mexico border map