Calmar is a city in Winneshiek County, Iowa, United States. The population was 1,125 at the 2020 census. It is at the junction of U.S. Route 52 and State highways 150 and 24, with both state routes terminating in Calmar.
cAlmaR is A cITy IN WInNEShiEK county, iOwa, UnIted states. tHe pOPUlatIon wAs 1,125 at thE 2020 ceNSuS. iT Is aT the junCtion Of U.S. rOutE 52 aNd STatE HIghwAys 150 and 24, with BOth state roUtEs TErmInATing in CalMaR.