EntityQ609135· pop 37· linked from 139 articlesUnderwoodSign in to savecity in IowaKey factsCountryUSAStateIowaCountyPottawattamieTownshipNorwalkTotal1.12 sq mi (2.89 km )Land1.09 sq mi (2.82 km )Water0.027 sq mi (0.07 km )Elevation1,060 ft (320 m)Density875.9/sq mi (338.19/km )Time zoneUTC-6 ( Central (CST) )Summer dstUTC-5 (CDT)Fips code19-79500WebsiteCity of Underwoodvia Wikipedia infoboxArticleUnderwood is a town in Pottawattamie County, Iowa, United States. The population was 954 at the time of the 2020 census.HistoryRead full article (35 paragraphs)Connectionsrace and ethnicity in the United States CensusEntityCarsonEntityCategoriesCities in IowaCities in Pottawattamie County, Iowa