1900s (20th Century) Maps of Monroe County, Illinois
Explore 68 historic maps of Monroe County 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 Monroe County'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 Monroe County's history through authentic maps from the 1900s. This is your window into the past.
Monroe County, IL maps
(68)- 1910 Map of Waterloo, 1956 Print
1910 Waterloo1956 Print · USGSCovers Monroe County, including Belleville, Columbia, and other nearby areas - 1912 Map of New Athens
1912 New Athens1912 Print · USGSCovers Monroe County, including Belleville, Mascoutah, and other nearby areas2 unique versions available - 1912 Map of Kimmswick
1912 Kimmswick1912 Print · USGSCovers Monroe County, including Oakville, Arnold, and other nearby areas2 unique versions available - 1912 Map of Baldwin, 1967 Print
1912 Baldwin1967 Print · USGSCovers Monroe County, including Sparta, Red Bud, and other nearby areas - 1913 Map of Waterloo
1913 Waterloo1913 Print · USGSCovers Monroe County, including Belleville, Columbia, and other nearby areas3 unique versions available - 1914 Map of Baldwin
1914 Baldwin1914 Print · USGSCovers Monroe County, including Sparta, Red Bud, and other nearby areas2 unique versions available - 1915 Map of Renault
1915 Renault1915 Print · USGSCovers Monroe County, including Sainte Genevieve, Red Bud, and other nearby areas4 unique versions available - 1915 Map of Crystal City
1915 Crystal City1915 Print · USGSCovers Monroe County, including Festus, Crystal City, and other nearby areas4 unique versions available - 1916 Map of Kimmswick
1916 Kimmswick1916 Print · USGSCovers Monroe County, including Oakville, Arnold, and other nearby areas6 unique versions available - 1933 Map of Jefferson Barracks
1933 Jefferson Barracks1933 Print · USGSCovers Monroe County, including Mehlville, Webster Groves, and other nearby areas - 1933 Map of Cahokia
1933 Cahokia1933 Print · USGSCovers Monroe County, including Cahokia Heights, East St. Louis, and other nearby areas - 1934 Map of Cahokia
1934 Cahokia1934 Print · USGSCovers Monroe County, including Cahokia Heights, East St. Louis, and other nearby areas2 unique versions available - 1940 Map of Cahokia
1940 Cahokia1940 Print · USGSCovers Monroe County, including Cahokia Heights, East St. Louis, and other nearby areas3 unique versions available - 1940 Map of Renault, 1955 Print
1940 Renault1955 Print · USGSCovers Monroe County, including Sainte Genevieve, Red Bud, and other nearby areas2 unique versions available - 1941 Map of Jefferson Barracks
1941 Jefferson Barracks1941 Print · USGSCovers Monroe County, including Mehlville, Webster Groves, and other nearby areas3 unique versions available - 1942 Map of Baldwin, 1960 Print
1942 Baldwin1960 Print · USGSCovers Monroe County, including Sparta, Red Bud, and other nearby areas - 1948 Map of Kimmswick, 1955 Print
1948 Kimmswick1955 Print · USGSCovers Monroe County, including Oakville, Arnold, and other nearby areas - 1949 Map of Saint Louis
1949 Saint Louis1949 Print · USGSCovers Monroe County, including St. Louis, O'Fallon, and other nearby areas2 unique versions available - 1949 Map of Cahokia, 1954 Print
1949 Cahokia1954 Print · USGSCovers Monroe County, including Cahokia Heights, East St. Louis, and other nearby areas2 unique versions available - 1949 Map of Crystal City, 1959 Print
1949 Crystal City1959 Print · USGSCovers Monroe County, including Festus, Crystal City, and other nearby areas2 unique versions available - 1951 Map of Columbia
1951 Columbia1951 Print · USGSCovers Monroe County, including Columbia, Waterloo, and other nearby areas - 1954 Map of New Athens West, 1959 Print
1954 New Athens West1959 Print · USGSCovers Monroe County, including Smithton, New Athens, and other nearby areas4 unique versions available - 1954 Map of Oakville, 1959 Print
1954 Oakville1959 Print · USGSCovers Monroe County, including Oakville, Arnold, and other nearby areas4 unique versions available - 1954 Map of Webster Groves, 1959 Print
1954 Webster Groves1959 Print · USGSCovers Monroe County, including Mehlville, Webster Groves, and other nearby areas5 unique versions available - 1954 Map of Millstadt, 1959 Print
1954 Millstadt1959 Print · USGSCovers Monroe County, including Belleville, Millstadt, and other nearby areas3 unique versions available
Showing maps 1-25 of 68
Top cities of Monroe County
- Columbia historical maps
- Waterloo historical maps
- Valmeyer historical maps
- Maeystown historical maps
- Fults historical maps
Frequently asked questions
- What are the different types of historical maps available for Monroe County?
- What is the oldest map of Monroe County?
- Where can I purchase historical maps of Monroe County for my home or office?
- Where can I download high-res historical maps of Monroe County?
- Are there historical topographic maps available for Monroe County?
- Is there historical aerial imagery available for Monroe County?
- Where are historical maps of Monroe County sourced from?