Union County, Arkansas

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
COUNTY OF UNION GUS Population: 37,008 (2024) ID: 160885	County	Official County Government	Contact: UNION COUNTY 911 COORDINATOR 2476 CHAMPAGNOLLE RD, EL DORADO AR 71730
CITY OF EL DORADO GUS Population: 16,657 (2024) ID: 194955	Municipal	Municipal Government Within County	Contact: COMPTROLLER PO BOX 2170, EL DORADO AR 71731-2170
CITY OF SMACKOVER GUS Population: 1,573 (2024) ID: 100451	Municipal	Municipal Government Within County	Contact: DIRECTOR OF PUBLIC WORKS PO BOX 146, SMACKOVER AR 71762-0146
CITY OF NORPHLET GUS Population: 719 (2024) ID: 122931	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 23, NORPHLET AR 71759-0023
CITY OF JUNCTION CITY GUS Population: 480 (2024) ID: 161072	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 787, JUNCTION CITY AR 71749-0787
CITY OF HUTTIG GUS Population: 430 (2024) ID: 207573	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 406, HUTTIG AR 71747-0406
CITY OF CALION GUS Population: 412 (2024) ID: 100450	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 406, CALION AR 71724-0406
CITY OF STRONG GUS Population: 398 (2024) ID: 161073	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 737, STRONG AR 71765-0737
TOWN OF FELSENTHAL GUS Population: 84 (2024) ID: 161074	Municipal	Municipal Government Within County	Contact: MAYOR 1000 S 3RD ST, HUTTIG AR 71747-9514