Greene County, Iowa

Greene 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
COUNTY OF GREENE GUS Population: 8,662 (2024) ID: 190183	County	Official County Government	Contact: GREENE COUNTY AUDITOR & COMMISSIONER 114 N CHESTNUT ST, JEFFERSON IA 50129-2144
CITY OF JEFFERSON GUS Population: 4,148 (2024) ID: 208017	Municipal	Municipal Government Within County	Contact: MAYOR 220 N CHESTNUT ST, 4, JEFFERSON IA 50129-1997
CITY OF GRAND JUNCTION GUS Population: 715 (2024) ID: 164402	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 15, GRAND JUNCTION IA 50107-0015
CITY OF SCRANTON GUS Population: 496 (2024) ID: 164403	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 428, SCRANTON IA 51462-0428
CITY OF CHURDAN GUS Population: 359 (2024) ID: 208016	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 188, CHURDAN IA 50050-0188
CITY OF RIPPEY GUS Population: 217 (2024) ID: 104390	Municipal	Municipal Government Within County	Contact: CITY OF RIPPEY CLERK PO BOX 230, RIPPEY IA 50235-0230
CITY OF PATON GUS Population: 217 (2024) ID: 204467	Municipal	Municipal Government Within County	Contact: CITY CLERK 219 S MAIN ST, PATON IA 50217-7729
CITY OF DANA GUS Population: 34 (2024) ID: 126622	Municipal	Municipal Government Within County	Contact: CLERK JACKIE OSTRANDER 1874 250TH ST, GRAND JUNCTION IA 50107