Beyond the Johnny Cash legend, Folsom was a pioneer of electrified, high-security incarceration.

Beyond the Johnny Cash legend, Folsom was a pioneer of electrified, high-security incarceration.
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In short: Opened in 1880, Folsom State Prison holds a unique place in American history as the first facility in the nation to utilize electricity. While immortalized in popular culture by Johnny Cash, the prison’s reality is defined by a violent past, ingenious escape attempts, and its role as a brutal industrial powerhouse.

Located 20 miles from Sacramento, Folsom began construction in 1857 on a former mining camp. It was designed as a formidable institution, becoming one of the earliest examples of a maximum-security prison in the United States. Its early years were notoriously harsh; inmates were confined in stone cells measuring only 4 by 8 feet, kept in near-total darkness behind solid boiler-plate doors until air holes were finally added in the 1940s. The site’s proximity to the American River provided both its name—Represa, meaning dam—and its power, as it became the first prison globally to be electrified by the nearby Folsom Powerhouse.

The prison’s history is marked by a series of dramatic, often desperate escape attempts. In 1932, one inmate attempted to flee using a homemade diving suit constructed from a football bladder, only to drown when his breathing tube proved too short. Others were more successful, at least temporarily. In 1987, Glen Stewart Godwin executed a sophisticated breakout, crawling through 750 feet of storm drains before floating down the American River on a raft. These incidents, alongside violent riots and the 1937 murder of Warden Clarence Larkin during an escape attempt, cemented Folsom’s reputation as a volatile environment.

Beyond its security challenges, Folsom functioned as a significant industrial hub. Inmates provided labor for the state’s infrastructure, quarrying granite for the California State Capitol and producing gravel for early road construction. Since 1947, the facility has manufactured California’s vehicle license plates. Today, the prison continues to offer vocational training, ranging from welding and electronics to metal fabrication. While the facility has evolved—including the 2013 opening and subsequent pandemic-era closure of a women’s unit—it remains a central, if grim, fixture of the California correctional system, housing thousands of inmates within its historic, high-walled perimeter.

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