Kentucky Counties Directory & Interactive Map
Complete official guide to all 120 counties in Kentucky (KY). Explore 2024 US Census population estimates, county seats, FIPS codes, land areas, and interactive mapping tools powered by GeoMap Suite.
Kentucky County Breakdown
Showing 7 of 7 documented counties and seats.
County Name | FIPS | County Seat | Population (Census) | Land Area | Quick Tool |
|---|---|---|---|---|---|
| Jefferson County (Louisville) | 21111 | Louisville | 782,969 | 380 sq mi | Lookup |
| Fayette County (Lexington) | 21067 | Lexington | 322,570 | 284 sq mi | Lookup |
| Kenton County | 21117 | Covington / Independence | 169,064 | 160 sq mi | Lookup |
| Boone County | 21015 | Burlington | 135,966 | 246 sq mi | Lookup |
| Warren County | 21227 | Bowling Green | 134,500 | 542 sq mi | Lookup |
| Hardin County | 21093 | Elizabethtown | 110,702 | 623 sq mi | Lookup |
| Franklin County | 21073 | Frankfort | 51,541 | 210 sq mi | Lookup |
Geographic Structure of Kentucky Counties
County Administration & Governance
In Kentucky, county governments manage vital public infrastructure, tax assessments, law enforcement, judicial courts, election administration, and public records. The county seat (Louisville and other municipal headquarters) houses the primary courthouse, commissioners, and sheriff’s department.
All Kentucky counties carry a unique 5-digit Federal Information Processing Standard (FIPS) code, where the first two digits (21) designate the state and the remaining three digits identify each specific jurisdiction.
Geographic & Demographic Highlights
- Most Populous County:Jefferson County (Louisville) (782,969 residents)
- Largest by Land Area:Hardin County (623 sq mi)
- State Capital:Frankfort
- Census Bureau Region:South United States
Demographic calculations derive from the United States Census Bureau 2024 Population Estimates Program (PEP) and TIGER/Line geographic boundary files.