1940s Maps of Jefferson County, Colorado
Explore 31 historic maps of Jefferson County from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Jefferson County's landscape evolved across the 1940s, 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 1940s, 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 Jefferson County's history through authentic maps from the 1940s. This is your window into the past.
Jefferson County, CO maps
(31)- 1940 Map of Lafayette
1940 Lafayette1940 Print · USGSLafayette and the northern Colorado coalfields are captured in the late 1930s as mining and rail transport shaped the local economy. Genealogists can trace family roots through named landmarks like Mandalay Sch, Lakeview Cem, and the Centennial Mine. - 1941 Map of Arvada
1941 Arvada1941 Print · USGSThe Arvada and Westminster areas of the Colorado Front Range appear here in the early 1940s, showing a landscape defined by irrigation and rail. Researchers can trace historic institutions like Bellevue College, early settlements at Utah Junction, and the Leyden Narrow Gage railroad. - 1941 Map of Fort Logan
1941 Fort Logan1941 Print · USGSThe western edges of Denver and the community of Sheridan are captured here just before the mid-century population boom. Researchers can trace the layout of the Fort Logan Military Reservation and locate local landmarks like Loretto Heights College and Sloan Lake. - 1942 Map of Eldorado Springs
1942 Eldorado Springs1942 Print · USGSJust before the mid-century, the mountain interface west of Boulder was a landscape of remote ranches and rugged rail lines. Trace the early settlement of Eldorado Springs and find vanished landmarks like the Pine Grove Sch and the Coal Creek Store.4 unique versions available - 1942 Map of Morrison
1942 Morrison1942 Print · USGSThe Jefferson County foothills meet the plains during the early 1940s, revealing a landscape of military camps, schools, and landmark parks. Researchers can trace the development of Golden, locate the Pleasant View Ch, and see the early layout of Red Rocks Park.2 unique versions available - 1942 Map of Golden
1942 Golden1942 Print · USGSJefferson County before the post-war suburban boom reveals a landscape of industrial transit and coordinated irrigation. Researchers can trace the path of the Denver and Intermountain (Electric) line or locate rural community hubs like Ralston Ch and Fairmount Sch. - 1942 Map of Littleton
1942 Littleton1942 Print · USGSLittleton and the South Platte River valley appear here just before the mid-century boom, shaped by a vital network of railroads and reservoirs. Researchers can trace early rural life at Deer Creek Sch, the riverside siding at Struby, and the waters of Marston Lake.2 unique versions available - 1942 Map of Louisville
1942 Louisville1942 Print · USGSLouisville and the high plains of Boulder County are captured here just before the mid-century expansion. Genealogists and historians can trace the early footprints of Superior, Marshall, and Louisville, or locate rural landmarks like the Sacred Heart Ch and Shamrock Sch.3 unique versions available - 1942 Map of Tungsten, 1955 Print
1942 Tungsten1955 Print · USGSBoulder and Gilpin counties come alive in the 1940s as mining and mountain ranching define the high-country landscape. Genealogists and historians can trace the Denver and Salt Lake rail line through Pinecliffe P O and find remote sites like the Kekionga Mine.5 unique versions available - 1942 Map of Black Hawk, 1957 Print
1942 Black Hawk1957 Print · USGSThe Colorado high country around Gilpin and Jefferson counties comes into sharp focus during the early 1940s. Genealogists and historians can trace the mining-era roots of Black Hawk and Central City, while finding local landmarks like the Mountain House Sch and Summit Mine.4 unique versions available - 1942 Map of Ralston Buttes, 1957 Print
1942 Ralston Buttes1957 Print · USGSJefferson County ranching and early industry are preserved here just as the Denver region began its mid-century expansion. Genealogists can locate family holdings like Centennial Ranch and three rural schoolhouses including Robinson Sch and Belcher Sch. - 1944 Map of Arvada
1944 Arvada1944 Print · USGSThe northwest Denver suburbs appear as a series of distinct rail-connected towns in the 1940s. Genealogists can locate family landmarks like Arvada Cem, Semper Sch, and the grounds of Regis College. - 1944 Map of Black Hawk
1944 Black Hawk1944 Print · USGSThe mining heart of Gilpin County is frozen in time during the mid-1940s, showing the early layouts of two famous gold-rush towns. Genealogists and historians can trace family-named terrain and remote sites like the Summit Mine, Bay State Sch, and Russell Gulch.2 unique versions available - 1944 Map of Ralston Buttes
1944 Ralston Buttes1944 Print · USGSThe Front Range foothills of Jefferson County are captured here in the early 1940s, showing a landscape of mountain ranching and early rail transport. You can locate rural schoolhouses like Guy Hill Sch and industrial stops along the Denver and Salt Lake RR such as Fireclay.2 unique versions available - 1944 Map of Lafayette
1944 Lafayette1944 Print · USGSThe northern Front Range in the years following the Great Depression was a landscape of coal mines and intricate irrigation reservoirs. You can trace the early footprints of Lafayette and Broomfield while locating industrial landmarks like the Centennial Mine and Burn Lee Sch. - 1944 Map of Eldorado Springs
1944 Eldorado Springs1944 Print · USGSThe Front Range foothills in the 1940s reveal a landscape of mountain ranches and deep canyons just south of Boulder. Genealogists and hikers can trace old homesteads like Walker Ranch, the winding Denver and Salt Lake RR, and early landmarks such as the Copeland Mine.2 unique versions available - 1944 Map of Tungsten
1944 Tungsten1944 Print · USGSBoulder and Gilpin counties are captured here in the mid-1940s, as mountain railroads and mining operations shaped the Front Range. Genealogists can trace family footprints at Lincoln Hills, Pine Glade Sch, and the Kekionga Mine. - 1944 Map of Golden
1944 Golden1944 Print · USGSGolden and the surrounding Jefferson County plains are shown during the early war years, framed by the iconic Table Mountains. Researchers can locate vanished landmarks like the Camp George West and local schools including Fremont Sch and Ralston Sch. - 1945 Map of Indian Hills
1945 Indian Hills1945 Print · USGSJefferson County foothills life comes into focus in the mid-1940s, showing a landscape of high-altitude ranches and early mountain retreats. Genealogists and hikers can trace old school sites like Medlen Sch and early settlements such as Tiny Town and Phillipsburg.2 unique versions available - 1945 Map of Platte Canyon, 1955 Print
1945 Platte Canyon1955 Print · USGSJefferson and Douglas counties appear here during the mid-1940s, centered on the strategic water gaps of the Front Range. Researchers can trace rural school locations like Lamb Sch and explore small settlements such as Foxton and Longview.2 unique versions available - 1945 Map of Pine, 1955 Print
1945 Pine1955 Print · USGSJefferson County settlement in the mid-1940s follows the river valleys and mountain passes just before postwar growth reached the foothills. Researchers can trace family-named sites like Clise Ranch or Z Bar D Ranch and find small communities at Buffalo Creek and Pine.4 unique versions available - 1945 Map of Bailey, 1956 Print
1945 Bailey1956 Print · USGSThe North Fork South Platte River valley comes alive in the mid-1940s, showing a landscape of family ranches and early mountain retreats. Researchers can trace the lineage of the canyon through Bailey, Horn Cem, and historic schools like Dry Creek Sch.5 unique versions available - 1945 Map of Kassler, 1956 Print
1945 Kassler1956 Print · USGSDouglas County and Jefferson County were shaped by water and rail at the end of the Second World War. Researchers can trace the Highline Canal and old rural schoolhouses like Jarre Canyon Sch or visit the once-active settlement of Kassler near the river.2 unique versions available - 1947 Map of Morrison
1947 Morrison1947 Print · USGSThe foothills of Jefferson County are captured in the late 1930s, showing the early infrastructure of Golden and Morrison. Genealogists and historians can trace Golden Cemetery, the Pleasant View Ch, and the landmark Cody Monument.2 unique versions available - 1948 Map of Fort Logan
1948 Fort Logan1948 Print · USGSSouthwest Denver and Jefferson County emerge as a hub of military, medical, and educational institutions in the years following the war. Genealogists and historians can locate specific sites like the Craig Colony sanatorium, Loretto Heights College, and the sprawling Fort Logan Military Reservation.
Showing maps 1-25 of 31
Top cities of Jefferson County
- Lakewood historical maps
- Arvada historical maps
- Wheat Ridge historical maps
- Golden historical maps
- Evergreen historical maps
- Edgewater historical maps
See more
Frequently asked questions
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