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1900s (20th Century) Maps of Mercer Township, Pennsylvania

Explore 19 historic maps of Mercer Township 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 Mercer Township'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 Mercer Township's history through authentic maps from the 1900s. This is your window into the past.

Mercer Township, PA maps

(19)
  1. 1910 Map of Hilliards, 1956 Print
    1910 Map of Hilliards, 1956 Print
    1910 Hilliards
    1956 Print · USGS
    Covers Mercer Township, including Rockland Township, Clintonville, and other nearby areas
  4. 1912 Map of Hilliards
    1912 Map of Hilliards
    1912 Hilliards
    1912 Print · USGS
    Covers Mercer Township, including Rockland Township, Clintonville, and other nearby areas
    4 unique versions available
  7. 1913 Map of Mercer
    1913 Map of Mercer
    1913 Mercer
    1913 Print · USGS
    Covers Mercer Township, including Grove City, Slippery Rock, and other nearby areas
    6 unique versions available
  10. 1939 Map of Mercer, 1959 Print
    1939 Map of Mercer, 1959 Print
    1939 Mercer
    1959 Print · USGS
    Covers Mercer Township, including Grove City, Slippery Rock, and other nearby areas
  13. 1943 Map of Mercer
    1943 Map of Mercer
    1943 Mercer
    1943 Print · USGS
    Covers Mercer Township, including Grove City, Slippery Rock, and other nearby areas
  16. 1944 Map of Hilliards
    1944 Map of Hilliards
    1944 Hilliards
    1944 Print · USGS
    Covers Mercer Township, including Rockland Township, Clintonville, and other nearby areas
  19. 1950 Map of Cleveland
    1950 Map of Cleveland
    1950 Cleveland
    1950 Print · USGS
    Covers Mercer Township, including Cleveland, Akron, and other nearby areas
  22. 1956 Map of Cleveland, 1967 Print
    1956 Map of Cleveland, 1967 Print
    1956 Cleveland
    1967 Print · USGS
    Covers Mercer Township, including Cleveland, Akron, and other nearby areas
    3 unique versions available
  25. 1957 Map of Warren, 1964 Print
    1957 Map of Warren, 1964 Print
    1957 Warren
    1964 Print · USGS
    Covers Mercer Township, including Saint Marys, Sandy Township, and other nearby areas
    4 unique versions available
  28. 1958 Map of Warren
    1958 Map of Warren
    1958 Warren
    1958 Print · USGS
    Covers Mercer Township, including Saint Marys, Sandy Township, and other nearby areas
  31. 1959 Map of Warren
    1959 Map of Warren
    1959 Warren
    1959 Print · USGS
    Covers Mercer Township, including Saint Marys, Sandy Township, and other nearby areas
    2 unique versions available
  34. 1961 Map of Grove City, 1963 Print
    1961 Map of Grove City, 1963 Print
    1961 Grove City
    1963 Print · USGS
    Covers Mercer Township, including Grove City, Harrisville, and other nearby areas
    4 unique versions available
  37. 1961 Map of Slippery Rock, 1964 Print
    1961 Map of Slippery Rock, 1964 Print
    1961 Slippery Rock
    1964 Print · USGS
    Covers Mercer Township, including Slippery Rock, Plain Grove Township, and other nearby areas
    4 unique versions available
  40. 1962 Map of Cleveland
    1962 Map of Cleveland
    1962 Cleveland
    1962 Print · USGS
    Covers Mercer Township, including Cleveland, Akron, and other nearby areas
  43. 1963 Map of West Sunbury, 1965 Print
    1963 Map of West Sunbury, 1965 Print
    1963 West Sunbury
    1965 Print · USGS
    Covers Mercer Township, including West Sunbury, Venango Township, and other nearby areas
    3 unique versions available
  46. 1963 Map of Barkeyville, 1965 Print
    1963 Map of Barkeyville, 1965 Print
    1963 Barkeyville
    1965 Print · USGS
    Covers Mercer Township, including Barkeyville, Venango Township, and other nearby areas
    4 unique versions available
  49. 1971 Map of Warren
    1971 Map of Warren
    1971 Warren
    1971 Print · USGS
    Covers Mercer Township, including Saint Marys, Sandy Township, and other nearby areas
  52. 1983 Map of Oil City, 1984 Print
    1983 Map of Oil City, 1984 Print
    1983 Oil City
    1984 Print · USGS
    Covers Mercer Township, including Oil City, Cranberry Township, and other nearby areas
  55. 1986 Map of Youngstown, 1988 Print
    1986 Map of Youngstown, 1988 Print
    1986 Youngstown
    1988 Print · USGS
    Covers Mercer Township, including Youngstown, Boardman, and other nearby areas
    2 unique versions available
End of results
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Frequently asked questions

  • What are the different types of historical maps available for Mercer Township?
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  • Where are historical maps of Mercer Township sourced from?

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