Rickardsville is a city in Dubuque County, Iowa, United States. The population was 202 at the time of the 2020 census, up from 191 in 20…Rickardsville is a city in Dubuque County, Iowa, United States. The population was 202 at the time of the 2020 census, up from 191 in 2000. Rickardsville is located at 42°34′58″N 90°52′50″W / 42.58278°N 90.88056°W.
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