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Nassau County, Florida

Nassau 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: 104,376 (2024)
ID: 184717
County Official County Government
Contact: CHIEF DEPUTY FINANCIAL SVS
96135 NASSAU PL, YULEE FL 32097-8699
GUS Population: 13,672 (2024)
ID: 207676
Municipal Municipal Government Within County
Contact: COMMUNITY DEVELOPMENT DIRECTOR
204 ASH ST, FERNANDINA BEACH FL 32034-4230
GUS Population: 3,077 (2024)
ID: 207677
Municipal Municipal Government Within County
Contact: ADMINISTRATIVE ASSISTANT
PO BOX 249, HILLIARD FL 32046-0249
TOWN OF CALLAHAN
GUS Population: 1,785 (2024)
ID: 124267
Municipal Municipal Government Within County
Contact: BOOKKEEPER
PO BOX 5016, CALLAHAN FL 32011-5016