 U.S. Border Patrol Sectors
| The U.S. Border Patrol has 20 sectors responsible for detecting, interdicting and apprehending those who attempt to illegally enter or smuggle people, including terrorists, or contraband, including weapons of mass destruction, across U.S. borders between official ports of entry. |
 | Buffalo Sector (New York)
The Sector is responsible for 450 miles of border with Canada from the Ohio/Pennsylvania state line to Jefferson County, New York. The sector also encompasses most of New York State and all of Pennsylvania, Maryland, Virginia, and West Virginia. | |
| Del Rio Sector (Texas)
The Sector area of responsibility covers 59,541 square miles of Texas, and reaches more than 300 miles into Texas from the U.S.-Mexico border. | |
| El Paso Sector (Texas)
The Sector covers 125,500 square miles including the entire state of New Mexico and the two western most counties in Texas, Hudspeth and El Paso. | |
| Havre Sector (Montana)
The Sector is responsible for 452 miles of border area between Montana and Canada, the states of Wyoming, Colorado and Utah, as well as, part of Idaho. | |
| Laredo Sector (Texas)
The Sector encompasses 116 counties and covers 101,439 square miles of southwest and northeast Texas. The Rio Grande River is both the southwest and international boundary. The Laredo Sector is situated between the Del Rio and Marfa Sectors on the west and the McAllen Sector on the southeast. The northern boundary extends to the Oklahoma border. | |
| Marfa Sector (Texas)
The Sector covers over 135,000 square miles encompassing 118 counties in Texas and Oklahoma. Marfa Sector is the largest in geographical area of any sector along the Southwest border. Border Patrol Agents in the Marfa Sector are responsible for over 420 miles of river border. | |
| McAllen Sector (Texas)
The Sector covers 17,000 square miles of Southeast Texas, including the following counties: Cameron, Willacy, Hidalgo, Starr, Brooks, Kenedy, Kleberg, Nueces, San Patricio, Jim Wells, Bee, Refugio, Calhoun, Goliad, Victoria, Dewitt, Jackson, and Lavaca. | |
| New Orleans Sector (Louisiana)
The New Orleans Sector has jurisdiction over a seven-state area, encompassing 592 counties and parishes and approximately 362,310 square miles, including Louisiana, Mississippi, Alabama, Arkansas, Kentucky, Tennessee, and a portion of the Florida panhandle. | |
| Swanton Sector (Vermont)
The Swanton Sector area of responsibility encompasses some 24,000 square miles and includes the State of Vermont; Clinton, Essex, Franklin, St. Lawrence and Herkimer counties of New York; and Coos, Grafton and Carroll counties of New Hampshire. This area includes 261 miles of International Boundary, from the Maine-New Hampshire state line on the east. Of the 261 miles of border, 173 miles are land border and 88 miles are water boundary, chiefly the St. Lawrence River. | |
| Tucson Sector (Arizona)
The sector area of responsibility encompasses Arizona, except for Yuma, La Paz and Mojave Counties. | |
| Yuma Sector (Arizona)
The Sector patrols 118 miles of border with Mexico, between the Yuma-Pima County line in Arizona and the Imperial Sand Dunes in California. The sector has responsibility for Yuma, La Paz and Mojave Counties in Arizona, the Eastern-most areas of Imperial, Riverside, and Los Angeles Counties in California, and the four Southern-most counties in Nevada. | |
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