County · code 21097
Harrison CountyKentucky
Harrison County is a county in Kentucky, with its seat in Cynthiana, formed in 1794.
- Founded1794
- County seatCynthiana
- Named forBenjamin Harrison V
- Land area306 sq mi + 3.5 sq mi water
- Population18,692 2020 Census
Where it is
Harrison 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 1794 from Bourbon County and Scott County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Harrison County was created from Bourbon and Scott counties. The county was named after Benjamin Harrison V. Since its formation, Harrison County has gained and lost land to surrounding counties including Mason, Campbell, Nicholas, Bracken, Grant, and Robertson.
- 1794Harrison County created Harrison created from Bourbon and Scott. · Ky. Acts 1793, 2d assy., ch. 24, sec. 1/pp. 29-31
- 1816Gained territory Harrison gained from Nicholas. · Ky. Acts 1815-1816, 24th assy., ch. 351, secs. 1, 3-4/pp. 573-574
- 1820Gained territory Harrison gained from Bracken. · Ky. Acts 1819-1820, 28th assy., ch. 524, sec. 1/pp. 892-893
- 1827
- 1834Gained territory Harrison gained from Bracken. · Ky. Acts 1833-1834, 42d assy., ch. 437/p. 581
Show all 15 changes
- 1794Harrison County created Harrison created from Bourbon and Scott. · Ky. Acts 1793, 2d assy., ch. 24, sec. 1/pp. 29-31
- 1795Gained territory Harrison gained small area from Mason, lost to creation of Campbell. · Ky. Acts 1794, 3d assy., ch. 19, sec. 1/pp, 27-28
- 1809Boundary clarified Boundary between Harrison and Bourbon was clarified (no change).with Bourbonno change· Ky. Acts 1808-1809, 17th assy., ch. 49, sec. 1/p. 62
- 1809Boundary clarified Boundary between Harrison and Bourbon was clarified (no change).with Bourbonno change· Ky. Acts 1808-1809, 17th assy., ch. 73/p. 97
- 1810Boundary clarified In January 1810, Harrison boundaries were clarified (no change).no change· Ky. Acts 1809-1810, 18th assy., ch. 99, secs. 1-2/p. 13
- 1816Gained territory Harrison gained from Nicholas. · Ky. Acts 1815-1816, 24th assy., ch. 351, secs. 1, 3-4/pp. 573-574
- 1817Gained territory Harrison gained small area from Nicholas. · Ky. Acts 1816-1817, 25th assy., ch. 27, secs. 1, 5/pp. 44-45
- 1820Gained territory Harrison gained from Bracken. · Ky. Acts 1819-1820, 28th assy., ch. 524, sec. 1/pp. 892-893
- 1827
- 1834Gained territory Harrison gained from Bracken. · Ky. Acts 1833-1834, 42d assy., ch. 437/p. 581
- 1844Lost territory Harrison lost small area to Bracken to accommodate local property owners. · Ky. Acts 1843-1844, ch. 268/p. 49; Ky. Acts 1843-1844, ch. 271, sec. 1/pp. 50-51
- 1864Lost territory Harrison lost small area to Bracken to accommodate local property owner. · Ky. Acts 1863-1864, ch. 256, sec. 1/p.342
- 1867Lost territory Harrison lost to creation of Robertson. · Ky. Acts 1867, Jan. adj. sess., ch. 1317, sec. 1/pp. 37-41, and ch. 1541, sec. 1/pp. 50-51
- 1878Boundary clarified Boundary between Harrison and Scott was redefined (no change).with Scottno change· Ky. Acts 1877-1878, vol. 2, ch. 907, sec. 1/pp. 460-461
- 1890Boundary clarified Boundary between Harrison and Bourbon was clarified (no change).with Bourbonno change· Ky. Acts 1889-1890, vol. 1, ch. 482, secs. 1-2/pp. 1075-1076
Land and parcels
What the maps cover in Harrison
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 Harrison County yet. Lot lines and owners of record are kept by the county (harrisoncountyfiscalcourt.com).
-
Address points Official
One point per address, 9,605 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
Harrison 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
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Zoning and code
County government
- County government
The official website of Harrison County.
See your own lot on these maps
Open Harrison 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 Harrison County
- When was Harrison County founded?
- Harrison County was founded in 1794, formed from Bourbon County and Scott County, and named after Benjamin Harrison V.
- What is the county seat of Harrison County?
- The county seat of Harrison County is Cynthiana.
- Is there an online parcel map for Harrison 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 Harrison County's boundary or name changed?
- Harrison County was created in 1794 from Bourbon County and Scott County. Since then the Atlas of Historical County Boundaries records 9 later changes, chiefly involving Bracken County, Nicholas County and Campbell County.
- Is my lot in a flood zone?
- We do not have flood maps for Harrison County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby