1940s Maps of Mercer County, Ohio
Explore 3 historic maps of Mercer 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 Mercer 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 Mercer County's history through authentic maps from the 1940s. This is your window into the past.
Mercer County, OH maps
(3)- 1944 Map of Loramie
1944 Loramie1944 Print · USGSCovers Mercer County, including New Bremen, Minster, and other nearby areas - 1944 Map of Celina
1944 Celina1944 Print · USGSCovers Mercer County, including Celina, Rockford, and other nearby areas - 1944 Map of Spencerville
1944 Spencerville1944 Print · USGSCovers Mercer County, including Saint Marys, Spencerville, and other nearby areas
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Top cities of Mercer County
- Celina historical maps
- Coldwater historical maps
- St. Henry historical maps
- Fort Recovery historical maps
- Rockford historical maps
- Mendon historical maps
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Frequently asked questions
- What are the different types of historical maps available for Mercer County?
- What is the oldest map of Mercer County?
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- Are there historical topographic maps available for Mercer County?
- Is there historical aerial imagery available for Mercer County?
- Where are historical maps of Mercer County sourced from?