There is no source available that lists the top 20 richest people in Iowa. The richest person in Iowa is Harry Stine, owner of Stine Seed.
Iowa
1st Dennis albough
Iowa is the richest agricultural state; it is also called "the land where the tall corn grows"
ophra is the richest person on earth
well, Carlos Slim, is the most richest person of the world until yet and i guess nobody knows how long he will be the richest.
here are some things about Iowa! they have lots of corn. they also have the richest soil & they raise hogs!
the richest person in peru, Mr. Brescia
Richest Person In Sikkim Ladhaki and Ladhaki enterprise.
The richest person in Botswana .This is difficult to answer, modesty at its best.
the richest person in Madagascar are Jimmy ,Iky and Markus
Cfrick is the richest person nicktropolis she has over 2,000,000,000 nickpoints. And Starjewel4 is the second richest person with over 400,000 nickpoints. He used to own a Nicktropolis army. lildele619 is the third richest person with 1000,000