Where is Antioch, California Located in the United States? - Antioch is a city located in the Contra Costa County in California, United States. Antioch lies between 38.0049 Degrees North latitudes and -121.8058 Degrees West longitudes.
Location Map of Antioch, Contra Costa, California
About Map: The map shows the location of Antioch in Contra Costa County, in the U.S. state of California.
Antioch Map, California, USA
About Antioch Map: This Google Map provides a detailed view with zoom, satellite, and street options to explore the area and its surroundings.
About Antioch, Contra Costa County, California
Antioch is located in Contra Costa County in the U.S. state of California, United States. It lies in the eastern part of the state in the state of the United States along the banks of the San Joaquin River. The city was incorporated in 1872 and was named after the biblical city of Antioch, and it developed as a river port and agricultural trading center before expanding into a suburban residential community within the East Bay region.
Population
According to the United States Census Bureau, the population of Antioch is 115,291 as recorded in the 2020 Census, and the population density is approximately 4,000 people per square mile.
Geography
According to the United States Census Bureau, Antioch covers a total area of approximately 29.1 square miles (about 75.4 square kilometers), including about 28.3 square miles (73.3 square kilometers) of land and 0.8 square miles (2.1 square kilometers) of water.
Location and Surroundings
Antioch is situated east of Concord and northeast of Oakland, positioned near the Sacramento–San Joaquin River Delta region. The city features waterfront areas, residential neighborhoods, and nearby hills that offer scenic views and outdoor recreation. State Route 4 serves as the primary transportation corridor, linking Antioch to other parts of Contra Costa County and the greater Bay Area.
Top Attractions
Antioch provides access to parks, trails, and waterfront recreation along the San Joaquin River. Popular destinations include Contra Loma Regional Park, Black Diamond Mines Regional Preserve, and the Antioch Marina. The city is also home to Los Medanos College, supporting higher education and workforce training in the eastern Contra Costa region.
Transportation
Antioch is primarily served by State Route 4, which connects the city to Interstate 680 and other major highways in the Bay Area. Public transportation includes Bay Area Rapid Transit (BART) service extending to the Antioch station, offering commuter access to Oakland and San Francisco. The nearest major airport is Oakland International Airport, located approximately 40 miles to the southwest.
Explore more cities in California or visit the United States Map section to learn more about the country’s geography.
Sources:
Population and area data sourced from the United States Census Bureau (2020 Census). General city information referenced from the Official Antioch City Website.
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Antioch City Facts
| City | Antioch |
| State | California |
| County | Contra Costa County |
| Country | United States |
| Region | San Francisco Bay Area - East Bay |
| Incorporated | February 6, 1872 |
| Founded | 1850 |
| Total Area | Approximately 30.5 sq mi (79.0 km2) |
| Land Area | Approximately 29.1 sq mi (75.4 km2) |
| Water Area | Approximately 1.4 sq mi (3.6 km2) |
| Elevation | Approximately 43 ft (13 m) |
| Population (2023 estimate) | Approximately 115,000+ |
| Population (2020 Census) | 115,291 |
| Population Density | Approximately 3,900 people per sq mi |
| Time Zone | Pacific Time (UTC-8 / UTC-7 DST) |
| ZIP Codes | 94509, 94531 |
| Area Code | 925 |
| Major Highways | State Route 4 |
| Public Transit | BART - Antioch Station, Tri Delta Transit |
| Major Attractions | Antioch Waterfront, Black Diamond Mines Regional Preserve, Contra Loma Regional Park |
| Official Website | https://www.antiochca.gov/ |
Distance from Antioch City, CA to Nearby Cities in California
- Concord, CA – 18 miles (29 km)
- Walnut Creek, CA – 20 miles (32 km)
- Richmond, CA – 28 miles (45 km)
- Oakland, CA – 35 miles (56 km)
- Berkeley, CA – 33 miles (53 km)
- San Francisco, CA – 43 miles (69 km)
- Vallejo, CA – 32 miles (51 km)
- Fairfield, CA – 30 miles (48 km)
- Livermore, CA – 26 miles (42 km)
- Pleasanton, CA – 30 miles (48 km)
- Hayward, CA – 37 miles (60 km)
- Fremont, CA – 44 miles (71 km)
- Napa, CA – 41 miles (66 km)
- Santa Rosa, CA – 63 miles (101 km)
- Sacramento, CA – 63 miles (101 km)
- Stockton, CA – 46 miles (74 km)
- Modesto, CA – 74 miles (119 km)
- Daly City, CA – 48 miles (77 km)
- San Mateo, CA – 54 miles (87 km)
- San Jose, CA – 60 miles (97 km)
Antioch, California Climate and Weather Overview
| Month | Avg High (°F) | Avg Low (°F) | Avg Precipitation (in) |
|---|---|---|---|
| January | 57 | 40 | 3.2 |
| April | 71 | 47 | 1.2 |
| July | 92 | 58 | 0.1 |
| October | 82 | 53 | 0.6 |
| Annual | 75 | 49 | 14.0 |
| Climate Attribute | Details |
|---|---|
| Climate Classification (Köppen) | Csa - Hot-Summer Mediterranean |
| Annual Precipitation | Approximately 14 inches |
| Annual Sunshine Days | Approximately 260 days |
| Summer Weather Risk | High Heat and Dry Conditions |
| Average Snowfall | 0 inches annually |
Driving Distances from Antioch, California
| City | State | Distance (mi) | Approx. Drive Time |
|---|---|---|---|
| Pittsburg | California | 5 | 10 min |
| Oakley | California | 6 | 10 min |
| Bay Point | California | 8 | 15 min |
| Brentwood | California | 10 | 15 min |
| Discovery Bay | California | 15 | 20 min |
| Concord | California | 18 | 25 min |
| Walnut Creek | California | 25 | 30 min |
| Livermore | California | 28 | 35 min |
| Stockton | California | 42 | 45 min |
| San Francisco | California | 50 | 1 hr |
Transportation and Connectivity in Antioch, California
| Nearest Airport | Buchanan Field Airport (Regional) |
| IATA Code | CCR |
| Major Airport | Oakland International Airport (OAK) |
| Major Highways | State Route 4, State Route 160 |
| Rail Service | BART Antioch Extension and Freight Rail |
| Public Transit | Tri Delta Transit and BART |
- Antioch is one of the largest cities in Contra Costa County and a major community in East Contra Costa County.
- The city is connected to the San Francisco Bay Area by the BART extension and State Route 4.
- Oakland International Airport is approximately 45 miles southwest of Antioch.
- Healthcare, retail, logistics and public services are important contributors to the local economy.
- The city provides access to the Sacramento-San Joaquin Delta recreation region.
Key Landmarks and Places to Visit in Antioch, California
| Landmark Name | Type |
|---|---|
| Black Diamond Mines Regional Preserve | Regional Preserve |
| Antioch Marina | Waterfront Recreation Area |
| Contra Loma Regional Park | Regional Park |
| Downtown Rivertown District | Historic District |
| El Campanil Theatre | Historic Theater |
| Antioch Water Park | Family Attraction |
| Prewett Family Park | Community Park |
| Big Break Regional Shoreline | Nature Preserve |
| Lone Tree Golf Course | Golf Course |
| John Muir National Historic Site | Nearby Historic Site |
Colleges and Universities Near Antioch, California
| Institution Name | Type | Distance | Notable For |
|---|---|---|---|
| Los Medanos College | Community College | 6 mi | Transfer and career programs |
| California State University East Bay - Concord Center | Public University | 18 mi | Business and education programs |
| Saint Mary's College of California | Private College | 24 mi | Liberal arts education |
| University of the Pacific | Private University | 42 mi | Health sciences and business |
| University of California, Berkeley | Public University | 38 mi | Research and higher education |
Waterbodies in and Near Antioch, California
San Joaquin River, Sacramento River Delta, Contra Loma Reservoir, Big Break, Franks Tract, Dutch Slough, False River, Sherman Lake, Suisun Bay, Old River
Golf Courses in and Near Antioch, California
Lone Tree Golf Course, Brentwood Golf Club, Deer Ridge Golf Club, Shadow Lakes Golf Club, Diablo Creek Golf Course, The Bridges Golf Club, Callippe Preserve Golf Course, Discovery Bay Country Club
Antioch, California - Key Historical Facts
- Antioch was founded in 1850 and was originally named Smith's Landing.
- The city was renamed Antioch after the biblical city of Antioch in ancient Syria.
- Its location along the San Joaquin River helped establish it as an important transportation and shipping center.
- Coal mining, agriculture and manufacturing played major roles in the city's early growth.
- Population growth accelerated during the late twentieth century as the San Francisco Bay Area expanded eastward.
- Today, Antioch is known for its diverse population, waterfront recreation and role as a regional center in East Contra Costa County.
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