Johnson County, website

Johnson County in Iowa uses area codes 319 and 563. This page is a phonebook directory where you will find the physical address and contact information of the most relevant government offices in Johnson, including the Clerk’s Office, Sheriff’s Office, and the Health Department. 

Sheriff’s Office

P. O. Box 2540
511 S. Capitol Street
Iowa City, IA 52244

Phone: (319) 356-6020

Police Department

410 E. Washington St.

Iowa City, IA 52240

Phone: (319) 356-5275

Clerk of Court

417 South Clinton Street
Iowa City, IA 52240

Phone: (319) 356-6060

District Court

417 South Clinton Street
Iowa City, IA 52240

Phone: (319) 356-6060

Assessor

500 S. Clinton St.

Suite 400, Iowa City, IA 52240

Phone: (319) 339-6100

Treasurer

913 S. Dubuque St.

Iowa City, IA 52240

Phone: (319) 356-6091

Assessor

913 S. Dubuque Street
Suite 206
Iowa City, IA 52240

Phone: (319) 356-6066

Johnson County Jail

511 S. Capitol St.

Iowa City, IA 52240

Phone: (319) 356-6020

Emergency Management

4529 Melrose Avenue
Iowa City, IA 52246

Phone: (319) 356-6700

Fax: (319) 338-0028

Fire Department

410 E. Washington St.

Iowa City, IA 52240

Phone: (319) 356-5260

Human Resources Department

911 North Governor

Iowa City, IA 52245

Phone: (319) 356-6050

Health Department

855 S. Dubuque St., Ste. 217

Iowa City, IA 52240

Phone: (319) 356-6040

School District

1725 North Dodge St.
Iowa City, IA 52245
Phone: (319) 688-1000