Historical Maps of Allegheny County

Journey back in time with 255 historical maps of Allegheny County, dating from 1901 to present day. Explore and discover the history of Allegheny County through detailed topographic maps, featuring cities, landmarks, and geographical changes. Dive deeper into each map with our interactive high-resolution viewer and extensive library data. Every map in our collection is also available for purchase as a framed or unframed museum-quality print for those interested interested in bringing a part of history into their home. Begin your historical adventure now!

Allegheny County maps (255)

  1. 1901 Map of Beaver, 1958 Print
    1901 Map of Beaver, 1958 Print
    1901 Beaver
    1958 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  2. 1902 Map of Brownsville
    1902 Map of Brownsville
    1902 Brownsville
    1902 Print · USGS
    Covers portions of Allegheny County, including Brownsville, Westmoreland County, and others.

  3. 1904 Map of Beaver
    1904 Map of Beaver
    1904 Beaver
    1904 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  4. 1904 Map of Beaver, 1909 Print
    1904 Map of Beaver, 1909 Print
    1904 Beaver
    1909 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  5. 1904 Map of Beaver, 1914 Print
    1904 Map of Beaver, 1914 Print
    1904 Beaver
    1914 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  6. 1904 Map of Beaver, 1930 Print
    1904 Map of Beaver, 1930 Print
    1904 Beaver
    1930 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  7. 1904 Map of Beaver, 1938 Print
    1904 Map of Beaver, 1938 Print
    1904 Beaver
    1938 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  8. 1904 Map of Beaver, 1944 Print
    1904 Map of Beaver, 1944 Print
    1904 Beaver
    1944 Print · USGS
    Covers portions of Allegheny County, including Beaver, and others.

  9. 1904 Map of Burgettstown, 1958 Print
    1904 Map of Burgettstown, 1958 Print
    1904 Burgettstown
    1958 Print · USGS
    Covers portions of Allegheny County, including Burgettstown, Beaver County, and others.

  10. 1904 Map of Carnegie, 1954 Print
    1904 Map of Carnegie, 1954 Print
    1904 Carnegie
    1954 Print · USGS
    Covers portions of Allegheny County, including Carnegie, Washington County, and others.

Showing maps 1-10 of 255

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