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1940s Maps of Umatilla County, Oregon

Explore 1 historic maps of Umatilla County from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Umatilla County's landscape evolved across the 1940s, 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 1940s, 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 Umatilla County's history through authentic maps from the 1940s. This is your window into the past.

Umatilla County, OR maps

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  1. 1942 Map of Pomeroy
    1942 Map of Pomeroy
    1942 Pomeroy
    1942 Print · USGS
    Covers Umatilla County, including Dayton, Pomeroy, and other nearby areas
    2 unique versions available
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Frequently asked questions

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