Join Free

Old Maps of Union County, Pennsylvania

Explore 47 old maps of Union County, spanning from 1893 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, PA maps

(47)
  1. 1893 Map of Sunbury
    1893 Map of Sunbury
    1893 Sunbury
    1893 Print · USGS
    Covers Union County, including Sunbury, Lewisburg, and other nearby areas
    6 unique versions available
  4. 1921 Map of Williamsport
    1921 Map of Williamsport
    1921 Williamsport
    1921 Print · USGS
    Covers Union County, including Williamsport, White Deer Township, and other nearby areas
  7. 1923 Map of Williamsport
    1923 Map of Williamsport
    1923 Williamsport
    1923 Print · USGS
    Covers Union County, including Williamsport, White Deer Township, and other nearby areas
    6 unique versions available
  10. 1924 Map of Milton
    1924 Map of Milton
    1924 Milton
    1924 Print · USGS
    Covers Union County, including Williamsport, South Williamsport, and other nearby areas
    4 unique versions available
  13. 1937 Map of Millheim
    1937 Map of Millheim
    1937 Millheim
    1937 Print · USGS
    Covers Union County, including Decatur Township, Millheim, and other nearby areas
  16. 1938 Map of Mifflinburg
    1938 Map of Mifflinburg
    1938 Mifflinburg
    1938 Print · USGS
    Covers Union County, including Mifflinburg, Middleburg, and other nearby areas
  19. 1941 Map of Millheim
    1941 Map of Millheim
    1941 Millheim
    1941 Print · USGS
    Covers Union County, including Decatur Township, Millheim, and other nearby areas
    3 unique versions available
  22. 1943 Map of Sunbury
    1943 Map of Sunbury
    1943 Sunbury
    1943 Print · USGS
    Covers Union County, including Sunbury, Lewisburg, and other nearby areas
  25. 1943 Map of Mifflinburg
    1943 Map of Mifflinburg
    1943 Mifflinburg
    1943 Print · USGS
    Covers Union County, including Mifflinburg, Middleburg, and other nearby areas
  28. 1944 Map of Williamsport
    1944 Map of Williamsport
    1944 Williamsport
    1944 Print · USGS
    Covers Union County, including Williamsport, White Deer Township, and other nearby areas
  31. 1950 Map of Harrisburg, 1952 Print
    1950 Map of Harrisburg, 1952 Print
    1950 Harrisburg
    1952 Print · USGS
    Covers Union County, including Lancaster, Harrisburg, and other nearby areas
  34. 1953 Map of Mifflinburg, 1955 Print
    1953 Map of Mifflinburg, 1955 Print
    1953 Mifflinburg
    1955 Print · USGS
    Covers Union County, including Mifflinburg, Middleburg, and other nearby areas
    2 unique versions available
  37. 1953 Map of Sunbury, 1956 Print
    1953 Map of Sunbury, 1956 Print
    1953 Sunbury
    1956 Print · USGS
    Covers Union County, including Sunbury, Lewisburg, and other nearby areas
    3 unique versions available
  40. 1953 Map of Williamsport, 1956 Print
    1953 Map of Williamsport, 1956 Print
    1953 Williamsport
    1956 Print · USGS
    Covers Union County, including Williamsport, White Deer Township, and other nearby areas
    3 unique versions available
  43. 1953 Map of Milton, 1956 Print
    1953 Map of Milton, 1956 Print
    1953 Milton
    1956 Print · USGS
    Covers Union County, including Williamsport, South Williamsport, and other nearby areas
    2 unique versions available
  46. 1954 Map of Williamsport
    1954 Map of Williamsport
    1954 Williamsport
    1954 Print · USGS
    Covers Union County, including Vestal, Williamsport, and other nearby areas
  49. 1957 Map of Harrisburg
    1957 Map of Harrisburg
    1957 Harrisburg
    1957 Print · USGS
    Covers Union County, including Lancaster, Harrisburg, and other nearby areas
    7 unique versions available
  52. 1957 Map of Millheim, 1959 Print
    1957 Map of Millheim, 1959 Print
    1957 Millheim
    1959 Print · USGS
    Covers Union County, including Decatur Township, Millheim, and other nearby areas
    3 unique versions available
  55. 1960 Map of Williamsport
    1960 Map of Williamsport
    1960 Williamsport
    1960 Print · USGS
    Covers Union County, including Vestal, Williamsport, and other nearby areas
  58. 1961 Map of Harrisburg
    1961 Map of Harrisburg
    1961 Harrisburg
    1961 Print · USGS
    Covers Union County, including Lancaster, Harrisburg, and other nearby areas
    2 unique versions available
  61. 1962 Map of Williamsport, 1966 Print
    1962 Map of Williamsport, 1966 Print
    1962 Williamsport
    1966 Print · USGS
    Covers Union County, including Vestal, Williamsport, and other nearby areas
    5 unique versions available
  64. 1964 Map of Harrisburg
    1964 Map of Harrisburg
    1964 Harrisburg
    1964 Print · USGS
    Covers Union County, including Lancaster, Harrisburg, and other nearby areas
  67. 1965 Map of Williamsport
    1965 Map of Williamsport
    1965 Williamsport
    1965 Print · USGS
    Covers Union County, including Vestal, Williamsport, and other nearby areas
  70. 1965 Map of Mifflinburg, 1966 Print
    1965 Map of Mifflinburg, 1966 Print
    1965 Mifflinburg
    1966 Print · USGS
    Covers Union County, including Mifflinburg, Buffalo Township, and other nearby areas
    2 unique versions available
  73. 1965 Map of Beavertown, 1966 Print
    1965 Map of Beavertown, 1966 Print
    1965 Beavertown
    1966 Print · USGS
    Covers Union County, including Beavertown, Lewis Township, and other nearby areas
    3 unique versions available
Showing maps 1-25 of 47

Top cities of Union County

Frequently asked questions

  • What are the different types of historical maps available for Union County?
  • What is the oldest map of Union County?
  • Where can I purchase historical maps of Union County for my home or office?
  • Where can I download high-res historical maps of Union County?
  • Are there historical topographic maps available for Union County?
  • Is there historical aerial imagery available for Union County?
  • Where are historical maps of Union County sourced from?