Sumner County, Tennessee

Sumner 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 SUMNER GUS Population: 211,721 (2024) ID: 175700	County	Official County Government	Contact: SUMNER CO EXECUTIVE 355 N BELVEDERE DR, RM 102, GALLATIN TN 37066-5410
CITY OF HENDERSONVILLE GUS Population: 63,947 (2024) ID: 209525	Municipal	Municipal Government Within County	Contact: MAYOR 101 MAPLE DR N, HENDERSONVILLE TN 37075-2586
CITY OF GALLATIN GUS Population: 52,489 (2024) ID: 175829	Municipal	Municipal Government Within County	Contact: MAYOR 132 W MAIN ST, GALLATIN TN 37066-3232
CITY OF WHITE HOUSE GUS Population: 16,463 (2024) ID: 175831	Municipal	Municipal Government Within County	Contact: CITY RECORDER 105 COLLEGE ST, WHITE HOUSE TN 37188-9086
CITY OF PORTLAND GUS Population: 13,651 (2024) ID: 113376	Municipal	Municipal Government Within County	Contact: MAYOR 100 S RUSSELL ST, PORTLAND TN 37148-1208
CITY OF MILLERSVILLE GUS Population: 6,427 (2024) ID: 134921	Municipal	Municipal Government Within County	Contact: OFFICE MANAGER 1246 LOUISVILLE HWY, STE 1, GOODLETTSVILLE TN 37072-3642
TOWN OF WESTMORELAND GUS Population: 2,885 (2024) ID: 175830	Municipal	Municipal Government Within County	Contact: CITY RECORDER/FINANCE OFFICER PO BOX 8, WESTMORELAND TN 37186-0008
TOWN OF MITCHELLVILLE GUS Population: 160 (2024) ID: 205414	Municipal	Municipal Government Within County	Contact: MAYOR 1103 N CHURCH ST, PORTLAND TN 37148-4228