Old Maps of Union County, Oregon
Explore 118 old maps of Union County, spanning from 1901 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.
What you can do with these maps:
- See how Union County changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
- View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
- Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
- Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
- Access maps your way: View online, download high-res files, or order prints for personal or research use.
Start exploring old maps of Union County to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.
Union County, OR maps
(118)- 1901 Map of Baker City
1901 Baker City1901 Print · USGSCovers Union County, including Baker City, Haines, and other nearby areas4 unique versions available - 1901 Map of Sumpter
1901 Sumpter1901 Print · USGSCovers Union County, including Sumpter, Granite, and other nearby areas4 unique versions available - 1906 Map of Telocaset
1906 Telocaset1906 Print · USGSCovers Union County, including Union, Cove, and other nearby areas3 unique versions available - 1951 Map of Desolation Butte, 1954 Print
1951 Desolation Butte1954 Print · USGSCovers Union County, including Umatilla County, Grant County, and other nearby areas3 unique versions available - 1953 Map of Pendleton, 1957 Print
1953 Pendleton1957 Print · USGSCovers Union County, including Pendleton, Hermiston, and other nearby areas4 unique versions available - 1954 Map of Eagle Cap, 1958 Print
1954 Eagle Cap1958 Print · USGSCovers Union County, including Baker County, Wallowa County, and other nearby areas4 unique versions available - 1955 Map of Baker, 1964 Print
1955 Baker1964 Print · USGSCovers Union County, including Ontario, Baker City, and other nearby areas4 unique versions available - 1955 Map of Grangeville, 1964 Print
1955 Grangeville1964 Print · USGSCovers Union County, including Grangeville, Enterprise, and other nearby areas4 unique versions available - 1955 Map of Canyon City, 1966 Print
1955 Canyon City1966 Print · USGSCovers Union County, including John Day, Prairie City, and other nearby areas4 unique versions available - 1956 Map of Pendleton
1956 Pendleton1956 Print · USGSCovers Union County, including Pendleton, Hermiston, and other nearby areas - 1959 Map of Baker
1959 Baker1959 Print · USGSCovers Union County, including Ontario, Baker City, and other nearby areas2 unique versions available - 1959 Map of Grangeville
1959 Grangeville1959 Print · USGSCovers Union County, including Grangeville, Enterprise, and other nearby areas2 unique versions available - 1959 Map of Canyon City
1959 Canyon City1959 Print · USGSCovers Union County, including John Day, Prairie City, and other nearby areas2 unique versions available - 1963 Map of La Grande SE, 1965 Print
1963 La Grande SE1965 Print · USGSCovers Union County, including La Grande, Island City, and other nearby areas2 unique versions available - 1963 Map of Andies Prairie, 1965 Print
1963 Andies Prairie1965 Print · USGSCovers Union County, including Umatilla County, United States, and other nearby areas3 unique versions available - 1963 Map of Sanderson Spring, 1965 Print
1963 Sanderson Spring1965 Print · USGSCovers Union County, including Umatilla County, United States, and other nearby areas2 unique versions available - 1963 Map of Meacham Lake, 1965 Print
1963 Meacham Lake1965 Print · USGSCovers Union County, including Umatilla County, United States, and other nearby areas2 unique versions available - 1963 Map of Tollgate, 1965 Print
1963 Tollgate1965 Print · USGSCovers Union County, including Tollgate, Umatilla County, and other nearby areas3 unique versions available - 1963 Map of Hilgard, 1966 Print
1963 Hilgard1966 Print · USGSCovers Union County, including Hilgard, Perry, and other nearby areas3 unique versions available - 1963 Map of Summerville, 1966 Print
1963 Summerville1966 Print · USGSCovers Union County, including Summerville, Umatilla County, and other nearby areas2 unique versions available - 1964 Map of Partridge Creek, 1965 Print
1964 Partridge Creek1965 Print · USGSCovers Union County, including United States, Oregon, and other nearby areas2 unique versions available - 1964 Map of Howard Butte, 1965 Print
1964 Howard Butte1965 Print · USGSCovers Union County, including Wallowa County, United States, and other nearby areas3 unique versions available - 1964 Map of Mc Intyre Creek, 1965 Print
1964 Mc Intyre Creek1965 Print · USGSCovers Union County, including Umatilla County, United States, and other nearby areas2 unique versions available - 1964 Map of Cricket Flat, 1966 Print
1964 Cricket Flat1966 Print · USGSCovers Union County, including United States, Oregon, and other nearby areas2 unique versions available - 1964 Map of Minam, 1966 Print
1964 Minam1966 Print · USGSCovers Union County, including Wallowa County, United States, and other nearby areas2 unique versions available
Showing maps 1-25 of 118
Top cities of Union County
- La Grande historical maps
- Union historical maps
- Elgin historical maps
- Island City historical maps
- Cove historical maps
- North Powder historical maps
See more
Frequently asked questions
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- Where are historical maps of Union County sourced from?