City Guide
National City
Birthplace of the American Dream
San Diego County's first: National City's legacy as pioneer settlement and South Bay industrial anchor
Located on San Diego Bay's eastern shore, National City holds the distinction of being the first official settlement in San Diego County's American period — a community where railroad history, naval heritage, and contemporary redevelopment intersect in the South Bay. As one of the county's oldest incorporated cities, National City combines historic neighborhoods, active industrial corridors, and bayfront land targeted for transformation.
Indigenous Bay Shore Lands
The shores of San Diego Bay and adjacent mesas were Kumeyaay territory, with village sites utilizing bay fisheries, shellfish, and tidal zone resources. Sweetwater River outflow and bay mudflats supported seasonal camps and travel routes connecting coastal and inland communities throughout the region.
Founding and Railroad Era
Frank Kimball and brothers arrive and acquire Rancho de la Nación, promoting settlement and agricultural development on the bay shore.
National City is platted; Kimball brothers offer land to the Santa Fe Railway, securing the terminus that would define the city's economic future.
National City incorporates on March 5, becoming one of San Diego County's earliest municipalities.
Naval Base San Diego development on adjacent bay land establishes military employment patterns lasting more than a century.
The Kimball vision of a railroad-connected agricultural and industrial city shaped National City's grid, commercial core, and relationship to the bay. Early promotion materials marketed the area as a destination for settlers seeking California opportunity — a narrative reflected in civic nicknames referencing the American Dream.
Twentieth-Century Growth
National City developed as a working-class industrial and residential community supporting bay-adjacent shipbuilding, manufacturing, and naval activity. The Mile of Cars along National City Boulevard became a regional auto retail landmark. Postwar suburban neighborhoods expanded eastward into mesa areas, while the waterfront remained dominated by industrial and military uses.
Decline of heavy industry and shifting retail patterns challenged National City's economy in late twentieth century, prompting redevelopment initiatives focused on bayfront land, downtown revitalization, and transit-oriented growth.
Economy and Employment
National City's economy includes retail, manufacturing, logistics, healthcare, and public sector employment. The Mile of Cars, Westfield Plaza Bonita, and commercial corridors along Highland Avenue and National City Boulevard support thousands of service and sales jobs. Naval Base San Diego — adjacent though largely within San Diego city limits — influences regional employment and housing demand.
Bayfront redevelopment projects including Paradise Creek and the National City Marine Terminal area represent long-term economic repositioning. Healthcare facilities, schools, and city government provide stable institutional employment for local residents.
Market and Housing Context
The 2020 U.S. Census recorded a National City population of 56,173 and approximately 16,500 housing units. Census data indicate a higher share of renter-occupied units compared to many San Diego County cities, with housing stock including historic bungalows, postwar tract homes, apartment complexes, and newer infill near transit corridors.
Single-family neighborhoods appear primarily on eastern mesas, while denser multifamily housing clusters near the bay, commercial corridors, and Blue Line trolley stations. National City's Housing Element and specific plans guide bayfront and downtown redevelopment with housing components.
Structure types across National City reflect more than a century of South Bay development. Pre-war bungalows and small-lot single-family homes dominate historic grids near downtown, while postwar ranch-style tract homes fill eastern mesa neighborhoods developed between the 1940s and 1970s. Multifamily apartment buildings and townhome projects concentrate along National City Boulevard, Highland Avenue, and within walking distance of trolley stations — areas targeted for infill under the city's transit-oriented development policies. Mobile home communities represent an additional housing type providing affordability within the city's limited land area.
Living in National City
National City offers Pepper Park on the bay, Sweetwater Marsh National Wildlife Refuge, and the National City Marina. Kimball Park and local recreation centers support community programming. The Stein Family Farm preserves agricultural heritage amid urban surroundings.
National School District and Sweetwater Union High School District serve local students. The National City Branch Library and civic events including parades and cultural festivals connect diverse community groups throughout the city.
National City Today
56K
Population (2020 Census)
7.3 sq mi
City Land Area
1887
Year Incorporated
1869
Railroad Terminus Established
Government and Civic Life
National City operates under a council-manager form of government with an elected mayor and four council members. City priorities include bayfront redevelopment, downtown revitalization, public safety, and affordable housing production. National City participates in South Bay regional planning and binational economic initiatives linked to border proximity.
Historic Significance
As San Diego County's first American-era planned settlement with railroad connection, National City preserves elements of nineteenth-century grid planning and Kimball-era architecture in historic districts and civic monuments including the Kimball House museum.
Port and Maritime Activity
The National City Marine Terminal and adjacent port facilities support cargo handling, ship repair, and maritime logistics along the bay — industrial uses that have defined the city's western edge for generations and remain part of ongoing bayfront planning discussions balancing employment, environmental restoration, and public access.
Geography and Environment
National City occupies bayfront lowlands and adjacent mesas east of Interstate 5. Sweetwater River drainage, tidal wetlands, and bay mudflats define western terrain, while eastern neighborhoods rise toward Lemon Grove and Paradise Hills. Climate is moderated by bay influence, with warmer conditions than the immediate coast but cooler than inland valleys.
Transportation and Connectivity
Interstate 5 and Interstate 805 converge near National City, providing regional north-south access. The MTS Blue Line trolley serves National City with stations including National City and Eighteenth Street, linking the South Bay to downtown San Diego. Local and regional bus routes connect commercial corridors and residential neighborhoods.
Looking Forward
National City's planning agenda includes bayfront buildout, Paradise Creek restoration, downtown streetscape improvements, and transit-oriented development near trolley stations. Climate resilience planning addresses bay flooding, heat island effects, and environmental justice concerns in communities adjacent to industrial corridors.
The City's Character
National City carries the weight and pride of being first — a South Bay city that built itself around railroads and bay work, survived industrial transition, and now faces the challenge of reconnecting residents to a waterfront long fenced off by commerce and infrastructure.
"National City arrived before the county's story was fully written — a railroad town on the bay that still rewrites its chapters through waterfront ambition and neighborhood persistence."
Whether walking Sweetwater Marsh trails, driving the Mile of Cars, or riding the trolley toward downtown, residents encounter a city balancing historic identity with redevelopment momentum — a South Bay community that has always been a starting point.