Where is Martinez, California, U.S.

Where is Martinez, California Located in the United States? - Martinez is a city located in the Contra Costa County in California, United States. Martinez lies between 38.0194 Degrees North latitudes and -122.1341 Degrees West longitudes.

Location Map of Martinez, Contra Costa, California

About Map: The map shows the location of Martinez in Contra Costa County, in the U.S. state of California.

Martinez Map, California, USA

About Martinez, Contra Costa County, California

Martinez is located in Contra Costa County in the U.S. state of California, United States. It lies in the northern part of the state in the state of the United States along the southern shoreline of the Carquinez Strait in the East Bay region of the San Francisco Bay Area. The city was incorporated in 1876 and was named after the Martínez family, early settlers who owned a large rancho in the area, and it developed from a shipping and railroad town into the county seat and a regional community.

Population

According to the United States Census Bureau, the population of Martinez is 37,287 as recorded in the 2020 Census, and the population density is approximately 3,000 people per square mile.

Area and Geography

According to the United States Census Bureau, Martinez covers a total area of approximately 13.1 square miles (about 33.9 square kilometers), including about 12.1 square miles (31.3 square kilometers) of land and 1.0 square miles (2.6 square kilometers) of water.

Location and Surroundings

Martinez is situated east of Crockett and west of Concord, positioned along the Carquinez Strait where the Sacramento and San Joaquin Rivers meet the San Francisco Bay. The city features historic waterfront areas, residential neighborhoods, and nearby hills that form part of the East Bay landscape. Interstate 680 and State Route 4 provide major transportation routes connecting Martinez to surrounding communities across Northern California.

Attractions and Recreation

Martinez offers historic landmarks, parks, and waterfront recreation areas that support tourism and community activities. Popular destinations include the John Muir National Historic Site, Martinez Regional Shoreline, and the historic downtown district. The city hosts cultural festivals, farmers markets, and community events throughout the year.

Transportation

Martinez is served by Interstate 680 and State Route 4, offering convenient highway access throughout Contra Costa County and the San Francisco Bay Area. Public transportation includes Amtrak rail service and regional bus connections linking the city to surrounding communities. The nearest major airport is Oakland International Airport, located approximately 30 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 Martinez City Website.

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Martinez City Facts

Distance from Martinez, CA to Nearby Cities

• Pleasant Hill, CA – 4 miles (6 km)
• Concord, CA – 6 miles (10 km)
• Walnut Creek, CA – 8 miles (13 km)
• Pacheco, CA – 3 miles (5 km)
• Benicia, CA – 7 miles (11 km)
• Vallejo, CA – 12 miles (19 km)
• Lafayette, CA – 10 miles (16 km)
• Orinda, CA – 12 miles (19 km)
• Moraga, CA – 14 miles (23 km)
• San Ramon, CA – 18 miles (29 km)
• Dublin, CA – 22 miles (35 km)
• Pleasanton, CA – 25 miles (40 km)
• Richmond, CA – 12 miles (19 km)
• Berkeley, CA – 18 miles (29 km)
• Oakland, CA – 22 miles (35 km)
• San Francisco, CA – 30 miles (48 km)
• Napa, CA – 25 miles (40 km)
• Fairfield, CA – 28 miles (45 km)
• Antioch, CA – 25 miles (40 km)
• Brentwood, CA – 35 miles (56 km)

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