Delmar is a city in Clinton County, Iowa, United States. The population was 542 at the time of the 2020 census.
History
Delmar was platted in 1871, shortly after the railroad was built through the site. The name Delmar is said to be a combination of the initials of the six ladies on the first train to arrive into the station: Della, Emma, Laura, Marie, Anna, and Rose. Le Mars, Iowa was similarly so named.
Geography
According to the United States Census Bureau, the city has a total area of , all land.