where is ruthven ia.
Sponsored Topics. Ruthven is a city in Palo Alto County, Iowa, United States. The population was 711 at the 2000 census. Ruthven is located at 43Â°7â²50â³N 94Â°54â²1â³W / 43.13056Â°N 94.90028Â°W / 43.13056; -94.90028 (43.130448, -94.900207). According to the United States Census Bureau, the city has a total area of 0.4 square miles (1.1 kmÂ²), all of it land.