Jones County, Iowa

Jones 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 JONES GUS Population: 21,116 (2024) ID: 164257	County	Official County Government	Contact: COUNTY AUDITOR PO BOX 109, ANAMOSA IA 52205-0109
CITY OF ANAMOSA GUS Population: 5,845 (2024) ID: 164457	Municipal	Municipal Government Within County	Contact: CITY CLERK 107 S FORD ST, ANAMOSA IA 52205-1841
CITY OF MONTICELLO GUS Population: 4,095 (2024) ID: 164458	Municipal	Municipal Government Within County	Contact: CITY CLERK/TREASURER 200 E 1ST ST, MONTICELLO IA 52310-1501
CITY OF OLIN GUS Population: 652 (2024) ID: 138227	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 301, OLIN IA 52320-0301
CITY OF WYOMING GUS Population: 526 (2024) ID: 204473	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 76, WYOMING IA 52362-0076
CITY OF OXFORD JUNCTION GUS Population: 424 (2024) ID: 164460	Municipal	Municipal Government Within County	Contact: MAYOR 518 2ND AVE N, OXFORD JCT IA 52323-9706
CITY OF MARTELLE GUS Population: 250 (2024) ID: 126650	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 96, MARTELLE IA 52305-0096
CITY OF ONSLOW GUS Population: 198 (2024) ID: 192049	Municipal	Municipal Government Within County	Contact: CITY CLEDRK PO BOX 25, ONSLOW IA 52321-0025
CITY OF MORLEY GUS Population: 94 (2024) ID: 164459	Municipal	Municipal Government Within County	Contact: CITY CLERK 306 VINE ST, MORLEY IA 52312-8811