1950s Maps of Ontario, California
Explore 12 historic maps of Ontario from the 1950s. These maps offer a rare glimpse into what life looked like during the 1950s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Ontario's landscape evolved across the 1950s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1950s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Ontario's history through authentic maps from the 1950s. This is your window into the past.
Ontario, CA maps
(12)- 1950 Map of Prado Dam
1950 Prado Dam1950 Print · USGSThe Prado Dam area at the start of the 1950s shows a unique mix of institutional expansion, aviation history, and flood control. Local researchers can trace the Cal-Aero Flight Academy, the California Institution for Men, and the Rancho Santa Ana Botanic Gardens. - 1953 Map of San Bernardino
1953 San Bernardino1953 Print · USGSSouthern California underwent massive post-war growth as suburban sprawl reached the foothills of the San Bernardino Mountains. Genealogists and historians can trace the rail-and-road roots of the Inland Empire through the Union Pacific RR and Lake Arrowhead resorts.2 unique versions available - 1953 Map of Guasti, 1955 Print
1953 Guasti1955 Print · USGSSan Bernardino and Riverside Counties are shown here during the post-war industrial boom, where vineyards and heavy industry collide. Genealogists and historians can trace the development of Cucamonga and Guasti alongside the Kaiser Steel Plant.2 unique versions available - 1954 Map of Corona North, 1955 Print
1954 Corona North1955 Print · USGSThe northern Chino Basin and the Santa Ana River valley are captured here in the mid-fifties, showing a mix of military installations and citrus groves. Genealogists and local historians can trace family-named sites like Fuller Ranch, early education at East Vale School, and the grounds of the Naval Hospital.2 unique versions available - 1954 Map of Ontario, 1955 Print
1954 Ontario1955 Print · USGSThe Pomona Valley was undergoing rapid postwar transformation in the mid-fifties as academic and industrial expansion reshaped the landscape. Researchers can find prominent landmarks like Pomona College, the Ontario International Airport, and the sprawling grounds of the Chino Prison.2 unique versions available - 1954 Map of Ontario, 1959 Print
1954 Ontario1959 Print · USGSThe Pomona Valley in the mid-fifties is captured here as a sprawling network of citrus-era settlements and rising post-war industry. Genealogists and local researchers can trace the early footprints of the Claremont Associated Colleges, the Steel Plant, and Ontario International Airport.5 unique versions available - 1956 Map of San Bernardino
1956 San Bernardino1956 Print · USGSSouthern California's Inland Empire and High Desert come into focus in the mid-fifties as agriculture gives way to suburban and military growth. Trace early rail lines like the Pacific Electric or find remote landmarks like Camp Rock Mine and George AFB. - 1956 Map of Santa Ana
1956 Santa Ana1956 Print · USGSSouthern California underwent massive mid-century transformation as suburban growth met major military and water projects. Trace the postwar expansion of Santa Ana and Riverside, the layout of Camp Pendleton, and the path of the Colorado River Aqueduct. - 1957 Map of San Bernardino
1957 San Bernardino1957 Print · USGSSouthern California's Inland Empire and High Desert met during the postwar expansion of the late fifties. Genealogists and historians can trace the growth of San Bernardino and Redlands alongside remote landmarks like Edwards AFB and the Camp Rock Mine. - 1958 Map of San Bernardino, 1975 Print
1958 San Bernardino1975 Print · USGSSouthern California’s Inland Empire and High Desert come into focus during the mid-century boom, showing the rise of suburbs and massive military installations. Researchers can trace the rail networks of the Union Pacific RR or locate landmarks like Norton AFB and Big Bear Lake. - 1959 Map of San Bernardino
1959 San Bernardino1959 Print · USGSSouthern California underwent a massive transformation in the late fifties as suburban growth and military power reshaped the desert and valley. Researchers can trace the legacy of the Union Pacific Railroad and locate early footprints of Joshua Tree National Monument and Edwards Air Force Base. - 1959 Map of Santa Ana, 1971 Print
1959 Santa Ana1971 Print · USGSSouthern California is captured in a decade of transformation, from the Orange County coast to the desert floor. Researchers can trace the mid-century footprints of Camp Pendleton, March Air Force Base, and the original Ortega Highway.3 unique versions available
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Top cities near Ontario
- Anaheim historical maps
- Riverside historical maps
- Fontana historical maps
- Rancho Cucamonga historical maps
- Pomona historical maps
- Corona historical maps
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Top neighborhoods of Ontario
- Champagne historical maps
- Guasti historical maps
- Racimo historical maps
- Ballou historical maps
- Creekside historical maps
- Creekside Community historical maps
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Frequently asked questions
- What are the different types of historical maps available for Ontario?
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