It was a private church town, administratively located in the Piotrków County in the Sieradz Voivodeship in the Greater Poland Province of the Kingdom of Poland.

In 1469, the Kraków Cathedral Chapter built the Saint Stanislaus church.

[3] In the interwar period, it was administratively located in the Łódź Voivodeship of Poland.

[4] Following the joint German-Soviet invasion of Poland, which started World War II in September 1939, Rzgów was occupied by Germany until 1945.

In July 1940, the occupiers carried out expulsions of Poles, who were deported to a transit camp in Łódź and then to the Lublin District in the more-eastern part of German-occupied Poland, while their houses were handed over to German colonists as part of the Lebensraum policy.