(Alphabetical by state)
Alabama
Jimmy Rane (lumber) $900M
Alaska
Leonard Hyde, Jonathan Rubini and Families (real estate/inherited) $300M
Arizona
Ernest Garcia II (automobile retailing) $6.2B
Arkansas
Jim Walton (inherited) $59B
California
Mark Zuckerberg (Facebook) $89B
Colorado
Philip Anschutz (investments) $11B
Connecticut
Ray Dalio (investment banker) $18.7B
Delaware
Elizabeth Snyder and Robert Gore (inherited) $885 million (tied)
Florida
Thomas Peterffy (brokerage) $17.6B
Georgia
Jim Kennedy (inherited) $9.9B
Hawaii
Pierre Omidyar (eBay) $13.2B
Idaho
Frank VanderSloot ("dietary supplements") $3.7B
Illinois: Ken Griffin (brokerage) $13B
Indiana: Carl Cook (inherited) $10.4B
Iowa: Harry Stine (agribusiness) $5.4B
Kansas: Charles Koch (inherited) $42.8B
Kentucky: Tamara Gustavson (inherited) $5B
Louisiana: Gayle Benson (inherited) $3.1B
Maine: Susan Alfond (inherited) $1.2B
Maryland: Ted Lerner and family (real estate) $5.5B
Massachusetts: Abigail Johnson (inherited) $16B
Michigan: Daniel Gilbert (Quicken Loans) $6.5
Minnesota: Glen Taylor (printing) $2.8B
Mississippi: James and Thomas Duff (inherited) $1.4B tied
Missouri: Pauline MacMillan Keinath (inherited) $6.9B
Montana: Dennis Washington (mining) $6.7B
Nebraska: Warren Buffett (investments) $89.6B
Nevada: Sheldon Adelson (gambling) $41B
New Hampshire: Andrea Reimann-Ciardelli (inherited) $720M
New Jersey: John Overdeck (borkerage) $6B
New Mexico: Mack C. Chase (oil & gas) $700M
New York: Michael Bloomberg (media) $58B
North Carolina: James Goodnight (software) $8B
North Dakota: Gary Tharaldson (hotels) $1B
Ohio: Les Wexner and family (underwear) $4.5B
Oklahoma: Harold Hamm & family (oil & gas) $9.7B
Oregon: Phil Knight and family (Nike) $40B
Pennsylvania: Victoria Mars (inherited) $7.5B
Rhode Island: Jonathan Nelson (investments) $1.8B
South Carolina: Anita Zucker (inherited) $1.9B
South Dakota: T. Denny Sanford (banking) $2.5B
Tennessee: Thomas Frist Jr and family (health care) $13B
Texas: Alice Walton (inherited) $51B
Utah: Gail Miller (retailing) #1.6B
Vermont: John Abele (Boston Scientific) $640B
Virginia: Jacqueline Mars (inherited) $30B
Washington: Jeff Bezos (Amazon) $117B
West Virginia: Jim Justice II (coal, also governor of the state) $1.5B
Wisconsin: John Menard Jr (retailing) $11B
Wyoming: John Mars (inherited) $30B
https://www.usatoday.com/story/money/2020/02/14/richest-person-in-every-state/41213471/
there doesn't seem to be anything here