County · code 21041
Carroll CountyKentucky
Carroll County is a county in Kentucky with its county seat in Carrollton. The county was formed on March 1, 1838.
- Founded1838
- County seatCarrollton
- Named forCharles Carroll of Carrollton
- Land area129 sq mi + 8.6 sq mi water
- Population10,810 2020 Census
Where it is
Carroll on the map of Kentucky
Kentucky has 120 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1838 from Gallatin County and Trimble County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Carroll County was created from Gallatin County and Trimble County. The county was named after Charles Carroll of Carrollton. In 1872, Carroll County gained territory from Gallatin County.
- 1838Carroll County created Carroll created from Gallatin and Trimble. · Ky. Acts 1837-1838, ch. 773, sec. 1/pp. 170-172
- 1840Boundary clarified Boundary between Carroll and Trimble was clarified (no change).with Trimbleno change· Ky. Acts 1839-1840, ch. 70/p. 40
- 1872Gained territory Carroll gained from Gallatin. · Ky. Acts 1871-1872, vol. 1, ch. 193, sec. 1/p. 14
Land and parcels
What the maps cover in Carroll
Who publishes each layer, how good it is, and when we last checked.
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Parcels Missing
No public parcel map found for Carroll County yet. Lot lines and owners of record are kept by the county (carrollcountyky.com).
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Address points Official
One point per address, 5,155 in all from Kentucky Division of Geographic Information (DGI) with the Kentucky 911 Services Board.
edited 6 October 2026 · checked 13 October 2026 -
Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Carroll by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Carroll County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Carroll County.
See your own lot on these maps
Open Carroll County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Carroll County
- When was Carroll County founded?
- Carroll County was founded in 1838, formed from Gallatin County and Trimble County, and named after Charles Carroll of Carrollton.
- What is the county seat of Carroll County?
- The county seat of Carroll County is Carrollton.
- Is there an online parcel map for Carroll County?
- Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
- Has Carroll County's boundary or name changed?
- Carroll County was created in 1838 from Gallatin County and Trimble County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Gallatin County.
- Is my lot in a flood zone?
- We do not have flood maps for Carroll County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby