1900s (20th Century) Maps of Erin, Wisconsin
Explore 12 historic maps of Erin 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 Erin'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 Erin's history through authentic maps from the 1900s. This is your window into the past.
Erin, WI maps
(12)- 1904 Map of Hartford
1904 Hartford1904 Print · USGSThe Kettle Moraine region of Washington and Dodge counties comes into focus in this early century survey of Wisconsin’s glacial landscape. Genealogists can trace family roots through small settlements like Schleisingerville, Hochheim, and St. Lawrence, or locate landmarks like Holy Hill and Pike Lake.3 unique versions available - 1909 Map of Oconomowoc
1909 Oconomowoc1909 Print · USGSThe Lake Country of Waukesha County is captured here at the height of its early resort era. You can trace family roots in Oconomowoc, locate the historic Nashotah Mission, and find long-lost stops like Waukesha Beach and Lakeside Sta.6 unique versions available - 1957 Map of Madison, 1967 Print
1957 Madison1967 Print · USGSSouth-central Wisconsin in the mid-fifties reveals a landscape of industrial hubs and glacial lakes linked by a dense rail and highway network. Genealogists and historians can trace the development of lakeside communities and find notable sites like Badger Ordnance Works and the Horicon National Wildlife Refuge.3 unique versions available - 1959 Map of Stonebank, 1961 Print
1959 Stonebank1961 Print · USGSWaukesha County's lake country is captured here during a transition from quiet rural townships to popular lakeside retreats in the late fifties. Genealogists and historians can trace community roots through numerous country schools and cemeteries, including Mapleton Sch, Mt Hope Cem, and St Paul Ch.4 unique versions available - 1959 Map of Hartford, 1961 Print
1959 Hartford1961 Print · USGSSoutheastern Wisconsin's kettle moraine landscape is shown here in the late fifties as rail lines and rural schools defined local life. Trace ancestral roots through sites like Christs Manger Sch Cem, the old Lincoln Sch, and the rail junction at Slinger.2 unique versions available - 1959 Map of Hartland, 1961 Print
1959 Hartland1961 Print · USGSWaukesha County at the close of the 1950s shows a landscape defined by glacial lakes and a maturing rail network. Genealogists and historians can trace old community hubs like Stonebank and Merton, identifying local landmarks from St Olaf Ch to University Lake Sch. - 1959 Map of Merton, 1961 Print
1959 Merton1961 Print · USGSThe glacial lakelands of Waukesha and Washington Counties are shown in the late 1950s as quiet rural communities began to evolve. Genealogists and historians can trace family locations near Holy Hill, the village of Merton, and numerous historic sites like St Johns Cemetery and Center Oak School.4 unique versions available - 1959 Map of Hartford East, 1964 Print
1959 Hartford East1964 Print · USGSMid-century Washington County is captured here at a time when rail lines and rural schools defined the community. Genealogists can trace family roots through landmarks like Union Cem, St Augustine Sch, and the junction at Slinger.3 unique versions available - 1959 Map of Hartford West, 1964 Print
1959 Hartford West1964 Print · USGSDodge and Washington Counties are shown here in the late fifties as the area balanced industrial growth with its agricultural roots. Genealogists can trace family landmarks through numerous sites like Hallowell Cemetery, Saylesville, and the St Kilian School.3 unique versions available - 1960 Map of Madison
1960 Madison1960 Print · USGSCentral and Southern Wisconsin are captured in the late fifties, showing the region as its rail-and-river network matured. Trace the paths of the Soo Line RR or locate family roots near Lake Mendota and Horicon National Wildlife Refuge.2 unique versions available - 1984 Map of Oconomowoc, 1985 Print
1984 Oconomowoc1985 Print · USGSSoutheast Wisconsin in the mid-eighties shows a landscape defined by its glacial heritage and expanding metropolitan corridors. Genealogists and historians can trace the development of lakeside communities like Oconomowoc and Pewaukee, or find established settlements such as Watertown and Beaver Dam. - 1991 Map of Oconomowoc
1991 Oconomowoc1991 Print · USGSSoutheastern Wisconsin in the early nineties shows a landscape of glacial lakes and growing suburbs. Trace local history through Aztalan State Park, Carroll College, and the sprawling Horicon Marsh State Wildlife Area.
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