Monona County

Monona County, website

monona county map

Monona County in Iowa uses area code 712. This page is a phonebook directory where you will find the physical address and contact information of the most relevant government offices in Monona, including the Clerk’s Office, Sheriff’s Office, and the Health Department. 

Sheriff’s Office

909 7th St.

Onawa, IA 51040

Phone: (712) 433-1414
Fax: (712) 433-1398

Police Department

909 7th Street
Onawa, Iowa 51040

Phone: (712) 433-1379

Clerk of Court

610 Iowa Avenue
Onawa, IA 51040

Phone: (712) 423-2491

District Court

610 Iowa Avenue
Onawa, IA 51040

Phone: (712) 423-2491

County Attorney

610 Iowa Avenue
Onawa, IA 51040
Phone: (712) 423-1728
Fax: (712) 433-9592

Treasurer

610 Iowa Ave.

Onawa, IA 51040

Phone: (712) 433-2347

County Assessor

P. O. Box 175
Onawa, IA 51040
Phone: (712) 433-2271
Fax: (712) 433-9578

Monona County Jail

909 7th Street

Onawa, IA 51040

Phone: (712) 433-1414

Emergency Management

909 7th Street
Onawa, Iowa 51040

Phone: (712) 433-1294

Fire Department

211 Maple St.

Onawa, IA 51040

Phone: (712) 433-1511

Human Resources Department

610 Iowa Ave.

Onawa, IA 51040

Phone: (712) 644-2460

Health Department

1600 Diamond Street

Onawa, IA 51040

Phone: (712) 423-2311

School District

1314 15th St.
Onawa, IA 51040
Phone: (712) 433-2043