Texas Township in Iowa, USA Rose Grove Township is a township in Hamilton County, Iowa, USA.[1] References ^ U.S. Geological Survey Geographic Names Information System: Rose Grove Township, Hamilton County, Iowa Municipalities and communities of Hamilton County, Iowa, United StatesCounty seat: Webster CityCities Blairsburg Ellsworth Jewell Junction Kamrar Randall Stanhope Stratford‡ Webster City Williams Map of Iowa highlighting Hamilton CountyUnincorporatedcommunity Homer Footnotes‡This populated place also has portions in an adjacent county or counties Iowa portal United States portal 42°26′N 93°31′W / 42.433°N 93.517°W / 42.433; -93.517