A former World War II ammunition plant in Southern Indiana has become a major economic driver in the area. Here is how River Ridge Commerce Center took shape, and what it means for the communities around it.
Between Charlestown and Jeffersonville in Clark County, Indiana, a 6,000-acre business park hums with logistics, aerospace, healthcare, and technology companies. River Ridge Commerce Center is now home to more than 70 companies and tens of thousands of jobs. Its origins, though, trace back to something very different: one of the most important wartime production sites in the country.
In 1940, as the United States prepared for World War II, the federal government chose the farmland outside Charlestown for a smokeless powder plant that would become one of the most productive of the war. Built and first operated by DuPont, the Indiana Army Ammunition Plant transformed the town almost overnight. Charlestown's population climbed from about 900 people to roughly 27,000 in just two years as workers arrived to staff it. The plant went on to produce powder for World War II and, later, for the Korean and Vietnam wars.
Production wound down over the decades, and the plant closed for good in the 1990s. The community that had grown up around it lost the engine that had defined it. Rather than let the land sit idle, the government set aside 6,000 acres for economic redevelopment, and in 1998 the property was conveyed to the newly formed River Ridge Development Authority. The task was substantial. Nearly 1,200 abandoned Army structures still stood on the site, many filled with concrete and asbestos that had to be cleared before modern development could begin.
Turning a decommissioned military site into a modern commerce center takes sustained investment. In 2025 alone, the development authority put $29.8 million into new roads and utilities, plus additional funds to demolish old military structures and prepare sites for new tenants. That public groundwork laid the foundation for private companies to move in and build.
In 2025, River Ridge generated $3.6 billion in total economic impact and supported 21,094 jobs across the region, including 13,304 people working onsite. The center has surpassed 20 million square feet of developed building space, and its tenants now include Amazon, Meta, Collins Aerospace, and Medline. Private companies invested $162.4 million in construction at the site during the year, headlined by a Meta data center that reached 50% completion. All told, activity at the center contributed roughly $1 billion in labor income to the regional economy.
River Ridge is far from finished. Only part of its 6,000 acres has been developed, and the authority is actively preparing a 630-acre north Megasite for future tenants, installing the infrastructure to support continued expansion. For a site that began as a closed military plant, the remaining undeveloped land provides capacity for future development.
A large employment base can play an important role in shaping a region's economy, supporting local businesses and community growth. River Ridge's growth is one example of the broader economic activity occurring across Southern Indiana. Today River Ridge supports more than 21,000 jobs across the region, and it sits in Clark County, the same county as Rossville, our new construction home in Memphis, Indiana.
Disclaimer: Investing in real estate involves risks, including the potential loss of capital. This content is for informational purposes only and is not intended as investment advice. Investors should perform their own research and consult with financial professionals before making investment decisions.
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