Southern California County Map

About Southern California County Map

Explore the county map or Southern California showing all the counties with their exact location and names.

List of Southern California Counties

County	County Seat	2025 Population Estimate	2026 Projected Population	Land Area (sq mi)	Major Cities	Key Characteristics & Economy	Notable Landmarks / Features
Los Angeles County	Los Angeles	9,721,000	9,740,000–9,780,000	4,058	Los Angeles, Long Beach, Santa Clarita, Glendale, Lancaster, Palmdale	Largest county in U.S. by population; entertainment (Hollywood), ports, aerospace, tech, finance	Hollywood Sign, Griffith Observatory, Getty Center, Santa Monica Pier
Orange County	Santa Ana	3,175,000	3,190,000–3,210,000	791	Anaheim, Santa Ana, Irvine, Huntington Beach, Newport Beach, Costa Mesa	Affluent suburbs, Disneyland Resort, tech/biotech, beaches, top-rated schools	Disneyland, Laguna Beach, Crystal Cove State Park
San Diego County	San Diego	3,298,000	3,320,000–3,350,000	4,204	San Diego, Chula Vista, Oceanside, Escondido, Carlsbad	Military (Naval Base San Diego), biotech, tourism, beaches, UC San Diego	Balboa Park, San Diego Zoo, La Jolla Cove, Coronado
Riverside County	Riverside	2,473,000	2,510,000–2,550,000	7,206	Riverside, Moreno Valley, Corona, Temecula, Murrieta	Fast-growing Inland Empire, logistics, agriculture, desert communities	Mission Inn, Palm Springs (nearby), Joshua Tree (partial)
San Bernardino County	San Bernardino	2,193,000	2,210,000–2,240,000	20,057	San Bernardino, Ontario, Rancho Cucamonga, Victorville, Fontana	Largest county by land area in contiguous U.S., logistics, warehousing, mountains	Big Bear Lake, Lake Arrowhead, San Bernardino Mountains
Ventura County	Ventura	843,000	850,000–860,000	1,843	Oxnard, Thousand Oaks, Simi Valley, Ventura	Agriculture (strawberries, lemons), tech, beaches, Channel Islands	Channel Islands National Park, Ventura Harbor
Santa Barbara County	Santa Barbara	448,000	452,000–458,000	2,735	Santa Barbara, Santa Maria, Lompoc, Goleta	Wine country, oil & gas, tourism, UC Santa Barbara	Santa Barbara Mission, wine tasting, Stearns Wharf
Imperial County	El Centro	180,000	182,000–185,000	4,175	El Centro, Calexico, Brawley	Agriculture (winter vegetables), geothermal energy, border trade	Salton Sea, Anza-Borrego Desert State Park (partial)

Southern California Counties

From ocean edges to desert lines, Southern California packs dense population and strong economy within the U.S. framework. Eight counties make up its scope - Los Angeles, Orange, San Diego, Riverside, San Bernardino, Ventura, Santa Barbara, plus Imperial - hosting around 23.8 million individuals by the start of 2026. That figure accounts for nearly two-thirds of everything found across California. Weather here leans Mediterranean, bringing dry winters and warm summers. Cities crowd the coast while suburbs stretch far beyond core zones. Just inland, terrain shifts sharply - rocky hills give way to open desert expanses.

Los Angeles County – The Heart of Southern California

Some nine point seven million people live within Los Angeles County, making it the busiest in the U.S. A large portion of those folks call the city of Los Angeles home, yet others spread across eighty-seven separate cities inside the area. Places like Long Beach, Glendale, Santa Clarita, and Pasadena stand on their own but remain part of the broader landscape. Industry pockets shape the local economy - film and space work, tech startups, global shipping at the ports, visitors drawn to landmarks and culture. This place hosts many of America's most recognizable cultural symbols - think Hollywood, the Getty Center, yet also the Griffith Observatory.

Orange County – Affluence and Innovation

Around 3.2 million people lived in Orange County by 2026. Wealthy neighborhoods dot the landscape alongside scenic shorelines. Tech and medical industries anchor much of its economy. Places like Anaheim, Santa Ana, Irvine, Huntington Beach, and Newport Beach make up the regional landscape. One landmark stands out - Disneyland Resort - a symbol of sorts. Coastal areas offer luxury living options. Education holds weight here too; UC Irvine is part of that story. Public education standards remain solid across the area. Nowhere else does such economic strength meet high levels of schooling across rural areas. This region stands out nationally in both wealth and educational attainment.

San Diego County – Coastal Beauty and Military Presence

Around 3.3 million folks live in San Diego County by 2026. At its core, San Diego proper houses close to 1.39 million people, driving both financial and social life across the area. Known for gentle weather patterns, it also boasts a long coastline, famous beaches, along with significant armed forces bases - Naval Base San Diego among them, plus Marine Corps Base Camp Pendleton. Defense, biotech, travel, plus shipping activity via the Port of San Diego shape much of the local economy.

The Inland Empire – Riverside and San Bernardino Counties

Out in Riverside and San Bernardino - often called the Inland Empire - life moves fast these days, with close to 4.7 million people sharing the region by 2026. While Riverside holds roughly 2.5 million, its neighbor to the south, San Bernardino, sits at about 2.2 million. Many workers living here commute daily to jobs in cities like LA or Orange County. You’ll find typical suburbs, massive distribution centers, factories, big empty stretches of desert, plus rolling mountains woven through the landscape. Even now, the area stands out as one of the most active zones in southern California.

Ventura and Santa Barbara Counties – The Central Coast

Along the coast, Ventura and Santa Barbara make up a peaceful stretch of Southern California, housing about 850,000 and 450,000 people respectively. Beaches stretch calm and wide in Ventura, where farms grow plenty of strawberries and lemons under soft skies. Life moves slower here, shaped by farmland and quiet streets that curve near the shore. Over in Santa Barbara, buildings stand in old Spanish style among tidy streets, drawing visitors to vineyards hidden behind oak trees. Wealth lives in certain neighborhoods, yet the air retains a relaxed rhythm. Cooler temperatures mark these places compared to urban areas farther south. On weekends, crowds arrive from cities inland, seeking quieter rhythms and clearer views.

Imperial County – The Agricultural Heartland

Down near the edge of Southern California, Imperial County holds about 180,000 people today. This stretch sits furthest south among the region's counties, also standing as its least populated. Farm land here thrives - known widely for cool-season crops like broccoli and carrots, plus dates hung to dry under desert skies. Water flows largely from river sources far upstream, managed through complex legal shares that keep officials busy. Summer temperatures climb fast, pushing both crops and residents to adapt each year without fail.

Current Trends and Outlook

Across Southern California, county populations shift at different speeds. Out toward the desert edges, areas within Riverside see fast growth driven by homes people can afford and steady work options. Up against the coast - places like Los Angeles and Orange - face tight housing supplies along with rising expenses to live there. Elsewhere, weather risks, limited water access, rising flames, gridlocked roads, and street homelessness push neighborhoods toward shared struggles. How each zone handles these pressures becomes harder to ignore. Even with such problems, Southern California still leads worldwide in entertainment, tech, global commerce, travel industry, and college learning.