Johnson County, Iowa
Johnson County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 160,080 (2024)
ID: 185367
|
County | Official County Government |
Contact: CHAIR PERSON
913 S DUBUQUE ST, IOWA CITY IA 52240-4273
|
|
GUS Population: 76,710 (2024)
ID: 164452
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
410 E WASHINGTON ST, IOWA CITY IA 52240-1826
|
|
GUS Population: 23,959 (2024)
ID: 164451
|
Municipal | Municipal Government Within County |
Contact: MAYOR
1512 7TH ST, CORALVILLE IA 52241-1708
|
|
GUS Population: 21,904 (2024)
ID: 194912
|
Municipal | Municipal Government Within County |
Contact: ASSISTANT CITY ADMINISTRATOR
PO BOX 77, NORTH LIBERTY IA 52317-0077
|
|
GUS Population: 6,695 (2024)
ID: 164455
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK TREASURER
PO BOX 259, TIFFIN IA 52340-0259
|
|
GUS Population: 3,284 (2024)
ID: 204472
|
Municipal | Municipal Government Within County |
Contact: CITY ADMINISTRATOR
101 N IOWA ST, SOLON IA 52333
|
|
GUS Population: 1,341 (2024)
ID: 164453
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
123 N DEVOE ST, LONE TREE IA 52755-7743
|
|
GUS Population: 1,188 (2024)
ID: 164456
|
Municipal | Municipal Government Within County |
Contact: MAYOR
1004 MELROSE AVE, IOWA CITY IA 52246-1925
|
|
GUS Population: 911 (2024)
ID: 126648
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
PO BOX 345, HILLS IA 52235-0345
|
|
GUS Population: 909 (2024)
ID: 104415
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
PO BOX 279, 66 2ND ST SW, SWISHER IA 52338
|
|
CITY OF SHUEYVILLE
GUS Population: 725 (2024)
ID: 126649
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
2863 120TH ST NE, SWISHER IA 52338-9595
|
|
CITY OF OXFORD
GUS Population: 715 (2024)
ID: 164454
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 481, OXFORD IA 52322-0481
|