1900s (20th Century) Maps of Ada County, Idaho
Explore 80 historic maps of Ada County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Ada County's landscape evolved across the 1900s, 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 1900s, 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 Ada County's history through authentic maps from the 1900s. This is your window into the past.
Ada County, ID maps
(80)- 1947 Map of Jackass Butte, 1971 Print
1947 Jackass Butte1971 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas2 unique versions available - 1947 Map of Wild Horse Butte, 1973 Print
1947 Wild Horse Butte1973 Print · USGSCovers Ada County, including Owyhee County, United States, and other nearby areas - 1947 Map of Dorsey Butte, 1979 Print
1947 Dorsey Butte1979 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas - 1948 Map of Castle Butte
1948 Castle Butte1948 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas2 unique versions available - 1948 Map of Big Foot Butte
1948 Big Foot Butte1948 Print · USGSCovers Ada County, including United States, Idaho, and other nearby areas4 unique versions available - 1948 Map of Wild Horse Butte
1948 Wild Horse Butte1948 Print · USGSCovers Ada County, including Owyhee County, United States, and other nearby areas - 1948 Map of Jackass Butte
1948 Jackass Butte1948 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas - 1948 Map of Dorsey Butte
1948 Dorsey Butte1948 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas - 1948 Map of Big Foot Butte, 1952 Print
1948 Big Foot Butte1952 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas - 1948 Map of Sinker Butte, 1966 Print
1948 Sinker Butte1966 Print · USGSCovers Ada County, including Owyhee County, United States, and other nearby areas2 unique versions available - 1948 Map of Little Joe Butte, 1976 Print
1948 Little Joe Butte1976 Print · USGSCovers Ada County, including United States, Idaho, and other nearby areas - 1949 Map of Sinker Butte
1949 Sinker Butte1949 Print · USGSCovers Ada County, including Owyhee County, United States, and other nearby areas - 1949 Map of Little Joe Butte
1949 Little Joe Butte1949 Print · USGSCovers Ada County, including United States, Idaho, and other nearby areas - 1949 Map of Oreana, 1952 Print
1949 Oreana1952 Print · USGSCovers Ada County, including Elmore County, Owyhee County, and other nearby areas2 unique versions available - 1949 Map of Robie Creek, 1986 Print
1949 Robie Creek1986 Print · USGSCovers Ada County, including Boise County, United States, and other nearby areas - 1953 Map of Eagle, 1955 Print
1953 Eagle1955 Print · USGSCovers Ada County, including Boise, Meridian, and other nearby areas5 unique versions available - 1953 Map of Cloverdale, 1955 Print
1953 Cloverdale1955 Print · USGSCovers Ada County, including Boise, Meridian, and other nearby areas4 unique versions available - 1953 Map of Meridian, 1955 Print
1953 Meridian1955 Print · USGSCovers Ada County, including Meridian, Nampa, and other nearby areas4 unique versions available - 1953 Map of Star, 1955 Print
1953 Star1955 Print · USGSCovers Ada County, including Meridian, Nampa, and other nearby areas3 unique versions available - 1953 Map of Montour, 1956 Print
1953 Montour1956 Print · USGSCovers Ada County, including Eagle, Emmett, and other nearby areas3 unique versions available - 1954 Map of Boise South, 1956 Print
1954 Boise South1956 Print · USGSCovers Ada County, including Boise, Garden City, and other nearby areas2 unique versions available - 1954 Map of Boise North, 1957 Print
1954 Boise North1957 Print · USGSCovers Ada County, including Boise, Garden City, and other nearby areas2 unique versions available - 1954 Map of Boise, 1958 Print
1954 Boise1958 Print · USGSCovers Ada County, including Boise, Garden City, and other nearby areas2 unique versions available - 1955 Map of Christmas Mtn, 1956 Print
1955 Christmas Mtn1956 Print · USGSCovers Ada County, including United States, Idaho, and other nearby areas2 unique versions available - 1955 Map of Coyote Butte, 1956 Print
1955 Coyote Butte1956 Print · USGSCovers Ada County, including United States, Idaho, and other nearby areas2 unique versions available
Showing maps 1-25 of 80
Top cities of Ada County
- Boise historical maps
- Meridian historical maps
- Eagle historical maps
- Kuna historical maps
- Star historical maps
- Garden City historical maps
See more
Frequently asked questions
- What are the different types of historical maps available for Ada County?
- What is the oldest map of Ada County?
- Where can I purchase historical maps of Ada County for my home or office?
- Where can I download high-res historical maps of Ada County?
- Are there historical topographic maps available for Ada County?
- Is there historical aerial imagery available for Ada County?
- Where are historical maps of Ada County sourced from?