city in St. Louis County, Missouri, United States
via Wikipedia infobox
Black Jack is a second-ring suburb of St. Louis in northern St. Louis County, Missouri, United States. The population was 6,634 at the 2020 census.
A post office called Black Jack was established in 1872, and operated until 1906. The community was named for a grove of blackjack oak trees near the original town site.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).