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Union County, Oregon

Union 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: 26,058 (2024)
ID: 209186
County Official County Government
Contact: ADMINISTRATIVE OFFICER
1106 K AVE, LA GRANDE OR 97850-2131
GUS Population: 13,058 (2024)
ID: 173698
Municipal Municipal Government Within County
Contact: CITY PLANNER
PO BOX 670, LA GRANDE OR 97850-0670
GUS Population: 2,123 (2024)
ID: 133234
Municipal Municipal Government Within County
Contact: CITY ADMINISTRATOR
PO BOX 529, UNION OR 97883-0529
CITY OF ELGIN
GUS Population: 1,694 (2024)
ID: 173696
Municipal Municipal Government Within County
Contact: CITY ADMINISTRATOR
PO BOX 128, ELGIN OR 97827-0128
CITY OF ISLAND CITY
GUS Population: 1,131 (2024)
ID: 205222
Municipal Municipal Government Within County
Contact: CITY RECORDER
10605 ISLAND AVE, ISLAND CITY OR 97850-8449
CITY OF COVE
GUS Population: 617 (2024)
ID: 205221
Municipal Municipal Government Within County
Contact: CITY RECORDER
PO BOX 8, COVE OR 97824-0008
CITY OF NORTH POWDER
GUS Population: 498 (2024)
ID: 173699
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 309, NORTH POWDER OR 97867-0309
CITY OF IMBLER
GUS Population: 242 (2024)
ID: 173697
Municipal Municipal Government Within County
Contact: CITY RECORDER
PO BOX 40, IMBLER OR 97841-0040
TOWN OF SUMMERVILLE
GUS Population: 121 (2024)
ID: 111619
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 92, SUMMERVILLE OR 97876-0092