Milwaukee County Stadium was originally built as a home for the Milwaukee Brewers of the minor league American Association, replacing the outdated and deteriorating Borchert Field. Both locations would be influenced by the future Milwaukee County freeway system, as Borchert Field's footprint would be cleared to make way for Interstate 43, with County Stadium located southwest of the interchange with the Stadium Freeway and Interstate 94.

Several locations around the city, including the Wisconsin State Fair Park in West Allis were considered before the city settled on the defunct site of the Story Quarry, on the west side of Milwaukee near the Story Hill neighborhood. County Stadium was the first ballpark in the United States financed with public funds. Construction began in October 1950 and, hampered by steel shortages during the Korean War, was completed in 1953. Construction cost was $5.9 million, with the bonds paid off in 1964.

The city of Milwaukee also hoped to use the new facility to attract a Major League Baseball franchise (the city had been considered a potential relocation target for years), and in this respect their efforts were immediately successful. In fact, the minor league Brewers would never get a chance to play at the new stadium.

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