First—
City of St. Louis (part)
St. Louis County (part)

Second—
Lincoln
St. Charles (part)

Third—
Carter
Iron
Jefferson (part)
Reynolds
St. Francois
Ste. Genevieve
Washington

Fourth—
City of St. Louis (part)

Fifth—
City of St. Louis (part)

Sixth—
Callaway
Cole
Miller
Moniteau
Morgan

Seventh—
St. Louis County (part)

Eighth—
Jackson (part)

Ninth—
Jackson (part)

Tenth—
Jackson (part)

Eleventh—
Jackson (part)

Twelfth—
Andrew
Atchison
Caldwell
Clinton
Daviess
DeKalb
Gentry
Grundy
Harrison
Holt
Linn
Livingston
Mercer
Nodaway
Sullivan
Worth

Thirteenth—
St. Louis County (part)

Fourteenth—
St. Louis County (part)

Fifteenth—
St. Louis County (part)

Sixteenth—
Crawford
Dent
Gasconade
Maries
Montgomery
Osage
Phelps
Pulaski

Seventeenth—
Clay (part)

Eighteenth—
Adair
Audrain
Clark
Knox
Lewis
Marion
Monroe
Pike
Putnam
Ralls
Schuyler
Scotland
Shelby

Nineteenth—
Boone
Randolph

Twentieth—
Christian
Douglas
Greene (part)
Webster

Twenty-First—
Carroll
Chariton
Clay (part)
Cooper
Howard
Lafayette
Macon
Ray
Saline

Twenty-Second—
Jefferson (part)

Twenty-Third—
St. Charles (part)

Twenty-Fourth—
St. Louis County (part)

Twenty-Fifth—
Butler
Dunklin
New Madrid
Pemiscot
Ripley
Stoddard
Wayne

Twenty-Sixth—
Franklin
St. Louis County (part)
Warren

Twenty-Seventh—
Bollinger
Cape Girardeau
Madison
Mississippi
Perry
Scott

Twenty-Eighth—
Barton
Benton
Cedar
Dallas
Henry
Hickory
Pettis
Polk
St. Clair

Twenty-Ninth—
Barry
Lawrence
McDonald
Ozark
Stone
Taney

Thirtieth—
Greene (part)

Thirty-First—
Bates
Cass
Johnson
Vernon

Thirty-Second—
Dade
Jasper
Newton

Thirty-Third—
Camden
Howell
Laclede
Oregon
Shannon
Texas
Wright

Thirty-Fourth—
Buchanan
Platte