East County, San Diego - wikipedia East County, San Diego `` East County '' redirects here. For other uses, see East County ( disambiguation ). Region of the San Diego Metro Area in San Diego County East County Region of the San Diego Metro Area Santee in East County East County cities County San Diego County Population 480,463 East County is a region of San Diego County, California east of San Diego. Contents 1 Geography 2 Demographics 3 Cities 3.1 Incorporated 3.2 Unincorporated CDPs 4 Education 4.1 Primary and secondary schools 4.2 Colleges and universities 5 Landmarks 6 See also 7 References 8 External links Geography East County does not have an official geographic definition. It commonly includes the four cities east of San Diego and South Bay -- El Cajon, La Mesa, Santee, and Lemon Grove -- as well as suburban unincorporated communities such as Lakeside, Spring Valley, Jamul, and Alpine. Many sources also include vast swathes of the backcountry of San Diego County also known as the Mountain Empire, including communities along Interstate 8 such as Pine Valley and Descanso, and communities along the rural section of California State Route 94 such as Potrero, Boulevard, and Jacumba. Other sources consider communities within the entire eastern two - thirds of the county to be East County, thereby encompassing places like Ramona, Julian, and Borrego Springs, The Ramona urban area -- Ramona, San Diego Country Estates and Barona Mesa -- is often considered part of inland North County due to its association with Poway, Rancho Bernardo, Escondido and other North County Inland communities. The populace of East County primarily dwells in the interior valleys east of San Diego proper while some development encroaches the coastal foothills. A broader definition of East County exists that includes the Cuyamaca Mountains, Laguna Mountains, and Palomar Mountain, as well as the desert area of Anza - Borrego State Park. Yet, this definition, when used by SANDAG, excludes the East Suburban centers. Prominent geologic formations include El Capitan, a large dome - shaped mountain overlooking Santee and Lakeside. Demographics East County is the fourth most populous region in the San Diego metropolitan area, though its population is almost equivalent to that of South Bay. Cities Populations listed are 2010 Census populations Incorporated El Cajon -- 99,478 La Mesa - 54,749 Santee -- 53,413 Lemon Grove -- 25,320 Unincorporated CDPs La Presa -- 34,169 Lemon Grove -- 25,320 Spring Valley -- 28,205 Rancho San Diego -- 21,208 Lakeside -- 20,648 Winter Gardens -- 20,631 Casa de Oro - Mount Helix -- 18,762 Bostonia -- 15,379 Alpine -- 14,236 Jamul -- 6,163 Harbison Canyon -- 3,841 Granite Hills -- 3,035 Crest -- 2,593 Education Primary and secondary schools East County is served by Santee School District, Grossmont Union High School District, Cajon Valley Union School District, Lakeside Union School District, Lemon Grove School District, and La Mesa - Spring Valley School District. Colleges and universities Grossmont College and Cuyamaca Community College are two community college 's located in El Cajon. San Diego Christian College is located in Santee. Landmarks Important landmarks in East County included Gillespie Field, Old Poway Park, Poway Tony Gwynn Statue, El Capitan, Mt. Helix, Santee Lakes, Sweetwater Reservoir and Lake Cuyamaca. El Capitan Sweetwater Reservoir See also South Bay North County Mountain Empire References Jump up ^ See, e.g., East County Magazine neighborhoods, ( 1 ). Retrieved 19 March 2011. Jump up ^ See, e.g., Mellin, Maribeth, and Onstott, Jane. Insider 's Guide to San Diego. 5th ed. Morris Book Publishing. 2010. p. 8 Jump up ^ See also Vaughn, Jacqueline, and Cortner, Hanna J. Funding Fire : A Losing Proposition ? The California Journal of Politics and Policy. Vol. 2, Issue 1. 2010. p. 10. Jump up ^ North County Times : Coastal and Inland cities Jump up ^ Mellin, Maribeth, and Onstott, Jane. Insider 's Guide to San Diego. 5th ed. Morris Book Publishing. 2010. p. 8 Jump up ^ `` MSA : East Suburban ''. Retrieved April 10, 2011. External links San Diego metropolitan area Counties San Diego Major city San Diego Cities 100k - 250k Chula Vista Oceanside Escondido Carlsbad Cities and towns 20k - 99k El Cajon Vista San Marcos Encinitas La Mesa Santee National City Poway Imperial Beach Lemon Grove Coronado CDPs 20k+ La Presa Fallbrook Spring Valley Rancho San Diego Lakeside Winter Gardens Ramona Bodies of water Chollas Creek Mission Bay Otay River San Diego Bay San Diego River San Luis Rey River Santa Margarita River San Mateo Creek ( Southern California ) Sweetwater River Tijuana River Regions East County North County City of San Diego South Bay Parks and Monuments Agua Caliente Anza - Borrego Balboa Park Border Field Cabrillo Monument Cleveland Forest Cuyamaca Old Town Palomar Mountain Torrey Pines History Culture Transportation ( MTS NCTD Roads ) Economy Education Government San Diego -- Tijuana History Geography Geology Populace Economy Transportation Education Communication Border Other Infrastructure Culture Counties and Municipalities Rosarito Beach San Diego Tecate Tijuana Major cities San Diego Tijuana Cities 100k - 250k Carlsbad Chula Vista Escondido Oceanside Cities and towns 20k - 99k Coronado El Cajon El Refugio Encinitas Fallbrook Imperial Beach La Joya La Mesa La Presa Lemon Grove National City Pórticos de San Antonio Poway Rancho San Diego Rosarito Beach San Marcos Santee Spring Valley Tecate Terrazas del Valle Vista Cities and towns 10k - 19k Alpine Bonita Bostonia Casa de Oro - Mount Helix Las Delicias Ramona Rancho San Diego San Diego Country Esates Solana Beach Villa del Campo Villa del Prado Winter Gardens Bodies of water Agua Hedionda Lagoon Batiquitos Lagoon El Capitan Lake Abelardo L. Rodriguez Lake Hodges Lake Sutherland Lower Otay Reservoir Loveland Reservoir Mission Bay Pacific Ocean San Elijo Lagoon San Diego Bay San Vicente Reservoir Sweetwater Reservoir Tijuana River Estuary Sub-regions Anza Borrego Coronado Peninsula Cuyamaca East County Mountain Empire North County Palm Valley Rosarito San Diego South Bay Tecate Tijuana Images Portal South Coast Counties Los Angeles Orange County San Diego Ventura Cities and towns 1,000,000 + Los Angeles San Diego Cities and towns 200k - 500k Anaheim Chula Vista Glendale Huntington Beach Irvine Oxnard Santa Ana Sub-regions Beach Cities Central San Diego Downtown Los Angeles East County Gateway Cities North County North Orange Oxnard Plain Palos Verdes Pomona Valley San Fernando Valley San Gabriel Valley South Bay L.A. South Bay S.D. 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Question: what cities are in east county san diego
Answer: El Cajon