County Officials

County Information

Courthouse
106 South 1st Street
Oskaloosa, IA 52577
Law Center
214 High Avenue East
Oskaloosa, IA 52577

Countywide Elected Officials

Mark Groenendyk R
Supervisor
Term Ends: 2028
Term Length: 4 Years
Steve Wanders R
Supervisor
Term Ends: 2026
Term Length: 4 Years
Chuck Webb R
Supervisor
Term Ends: 2026
Term Length: 4 Years
Andrew Ritland R
Attorney
Term Ends: 2026
Term Length: 4 Years
Tracey Ver Steegh R
Recorder
Term Ends: 2026
Term Length: 4 Years
Russ VanRenterghem R
Sheriff
Term Ends: 2028
Term Length: 4 Years
Shauna Hol R
Treasurer
Term Ends: 2028
Term Length: 4 Years

Mahaska County Agricultural Extension

212 North I Street
Oskaloosa, IA 52577
(641) 673-5841
Penny Adams
 
Term Ends: 2028
Term Length: 4 Years
Gary Engel - Treasurer
 
Term Ends: 2026
Term Length: 4 Years
Clayton Hester
 
Term Ends: 2028
Term Length: 4 Years
Merle Mann
 
Term Ends: 2026
Term Length: 4 Years
Andrew R. Padgett
 
Term Ends: 2028
Term Length: 4 Years
Joy Prothero - Chair
 
Term Ends: 2026
Term Length: 4 Years
Stacey Scott
 
Term Ends: 2028
Term Length: 4 Years
Michael Sytsma
 
Term Ends: 2028
Term Length: 4 Years
Seth VanZante - Vice Chair
 
Term Ends: 2026
Term Length: 4 Years

County Hospital Board

1229 C. Ave. E.
Oskaloosa, IA 52577
(641) 672-3100
Donna Arendt - Secretary
 
Term Ends: 2027
Term Length: 4 Years
Greg Gordy - Treasurer
 
Term Ends: 2028
Term Length: 4 Years
David Langkamp - President
 
Term Ends: 2027
Term Length: 4 Years
Marsha Riordan - Vice President
 
Term Ends: 2027
Term Length: 4 Years
Joette Stout
 
Term Ends: 2027
Term Length: 4 Years
Guy Vander Linden
 
Term Ends: 2028
Term Length: 4 Years

Soil & Water Conservation District

2503 Todd St # 1
Oskaloosa, IA 52577
(641) 673-3476
Gene De Bruin
 
Term Ends: 2026
Term Length: 4 Years
Steven C. De Jong
 
Term Ends: 2028
Term Length: 4 Years
Ron Groenendyk
 
Term Ends: 2028
Term Length: 4 Years
Steven Plate
 
Term Ends: 2026
Term Length: 4 Years
Marie Vander Wert
 
Term Ends: 2028
Term Length: 4 Years
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