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Licensed to Sin: Women's Public Health and the St. Louis Social Evil Hospital

Posted on 08/19/2026
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Historic photograph of a large, multi-story brick institutional building with a central tower, identified as St. Louis’s Social Evil Hospital. A fence and open grounds surround the building, with trees visible on either side.
Image from "The Social Evil Hospital" July 10, 2021. Cameron Collins. Distilled History.

The name "Social Evil Hospital" likely conjures images of a sinister building with dormer windows filled with darkened silhouettes and occupied by the vilest criminals imaginable. You wouldn't be totally wrong — it did in fact have dormer windows.

Built in 1872, in St. Louis, Missouri, the facility originally served as a clinic where female sex workers received testing and treatment for sexually transmitted diseases.

This followed the Social Evil Ordinance passed by the St. Louis City Council on July 5, 1870. Patterned after European legislation, the law recognized brothels as legitimate, regulated businesses.

 

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Brief newspaper article titled “Further Intelligence—The Social Evil in St. Louis.” It reports that the St. Louis City Council passed an ordinance regulating bawdy houses, drawing on provisions from French, Belgian, and other European laws.
Sacramento Daily Union (published as SACRAMENTO DAILY UNION), Sacramento, CA, July 7, 1870. From Early American Newspapers, 1690-1922.

The ordinance required brothels to obtain police licenses and pay fees to the Board of Health. The funds financed mandatory medical examinations giving life to the Social Evil Hospital. While other U.S. cities prohibited prostitution St. Louis' leaders sought to regulate it. The measure initially enjoyed broad support.

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Newspaper clipping titled “St. Louis Trying to Regulate the Social Evil.” It describes a city ordinance regulating and suppressing “houses of ill repute,” including police registration of residents and medical inspections overseen by the Board of Health.
Click the image to view the full article PDF. Daily Inter Ocean (published as The Chicago Republican), Chicago, IL, July 11 1870. From Early American Newspapers, 1690-1922. 

Nine months after the law took effect results were startling: the Lafayette Daily Courier reported the number of registered prostitutes dropped from 718 to 480, while registered brothels plummeted from 119 to just nine.

Officials also tracked why women entered the trade. Of the original group 702 claimed they chose the occupation, 101 cited seduction, 87 blamed mistreatment by husbands, and 57 cited necessity. 

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Newspaper clipping titled “St. Louis—Social Evil Statistics.” It reports findings on St. Louis’s regulation law, including a decline in registered prostitutes from 718 to 480 and a reduction in houses of ill fame after the law took effect.
Lafayette Daily Courier (published as THE LAFAYETTE DAILY COURIER.), Lafayette, IN, April 5, 1871. From Labor in America.

Critics, however, argued legalization actually increased patronage by attracting men who would otherwise avoid illegal brothels. 
While proponents claimed the law reformed women, the dip in numbers likely stemmed from the high fees and forced examinations. Many women simply returned to unregulated businesses to avoid the city's oversight.

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Printed passage recalling St. Louis’s prostitution regulation law. It describes restrictions on women’s movement and residence, mandatory registration and weekly medical examinations, and claims that some women left prostitution rather than register. It concludes by criticizing those who supported repeal.
The social evil its causes and cure a paper read by Charles H. Kitchell, esq., before the Society of Medical Jurisprudence and state medicine at the Academy of Medicine ... in the city of New York, May 13, 1886, together with the speaches of E.H. Benn, esq., William McLaury. M.D., [et., etc.,]. 1886. Kitchell, Charles H. American Pamphlets Series 1 1820-1922.

In 1873, Judge Calvin, of the Court of Criminal Corrections, declared the ordinance unconstitutional ruling that the city lacked the authority to pass rules contradicting Missouri state law. The justice also condemned the law as "one-sided," noting that it heavily punished and regulated women while ignoring the men involved, arguing that laws must apply uniformly to all parties.

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Newspaper clipping titled “St. Louis Social Evil Ordinance Declared Unconstitutional.” It reports a judge’s ruling that the ordinance regulating prostitution conflicted with state law and the city charter and constituted an unconstitutional special law.
San Francisco Bulletin (published as Evening Bulletin), San Francisco, California, August 25, 1873. From Early American Newspapers, 1690-1922.

By 1874, the council overturned the ordinance in a 15 to 7 vote, amongst a packed room of spectators. Much to the disappointment of the crowd, little to no debate took place, and what little support the ordinance received was quickly quelled. Within a year, the facility transitioned into the "Female Hospital" and remained open until 1910. The building was demolished in 1915 to make room for Sublette Park.

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Newspaper headline reading “Gone by the Board,” reporting that St. Louis’s “Social Evil Ordinance” was defeated 15–7. The subheads describe the council chamber as “besieged by the clergy” and note Captain Harries’s final defense of the ordinance.
Click image to see the full article PDF. Cincinnati Daily Enquirer (published as CINCINNATI DAILY ENQUIRER), Cincinnati, Ohio, February 28, 1874. From Early American Newspapers, 1690-1922. 

Today, Nevada remains the only state with legal brothels though they are restricted to specific rural counties and operate under strict licensing and health regulations. Meanwhile, Maine has moved toward partial decriminalization. By targeting consumers rather than workers Maine aims to protect the worker safety while curbing overall demand.

The rise and fall of the Social Evil Hospital mirror a debate that persists today. Whether through the strict regulation seen in Nevada or the consumer-focused laws in Maine, society continues to grapple with the same fundamental question St. Louis faced in 1870: is it better to push 'social evils' into the shadows, or bring them into the light of the law?

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