County · code 21221
Trigg CountyKentucky
Trigg County is a Kentucky county with its seat in Cadiz. It was formed on April 1, 1820, from Caldwell and Christian counties and named after Stephen Trigg.
- Founded1820
- County seatCadiz
- Named forStephen Trigg
- Land area442 sq mi + 40 sq mi water
- Population14,061 2020 Census
Where it is
Trigg 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 1820 from Caldwell County and Christian County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Trigg County was created from Caldwell and Christian counties in 1820. Between 1825 and 1828, the county gained territory from Caldwell County in a series of boundary adjustments.
- 1820Trigg County created Trigg created from Caldwell and Christian. · Ky. Acts 1819-1820, 28th assy., ch. 489, sec. 1/pp. 853-856, and ch. 554/pp. 938-939
- 1825Gained territory Trigg gained from Caldwell. · Ky. Acts 1824-1825, 33d assy., ch. 96, sec. 1/p. 101
- 1826Gained territory Trigg gained from Caldwell. · Ky. Acts 1825, 34th assy., ch. 43, sec. 1/pp. 46-48
- 1827Gained territory Trigg gained from Caldwell. · Ky. Acts 1826-1827, 35th assy., ch. 26/pp. 34-35
- 1828Gained territory Trigg gained from Caldwell. · Ky. Acts 1827-1828, 36th assy., ch. 177, sec. 1/p. 229
- 1867Changed Legislature authorized creation of Henrietta (proposed) from Trigg and Marshall, dependent on local referendum that failed (no change).HenriettaMarshall· Ky. Acts 1867, Jan. adj. sess., ch. 1131, secs. 1, 9-10/pp. 12-15
Land and parcels
What the maps cover in Trigg
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 Trigg County yet. Lot lines and owners of record are kept by the county (triggcounty.ky.gov).
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Address points Official
One point per address, 9,105 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
Trigg 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
Trigg 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 Trigg County.
See your own lot on these maps
Open Trigg 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 Trigg County
- When was Trigg County founded?
- Trigg County was founded in 1820, formed from Caldwell County and Christian County, and named after Stephen Trigg.
- What is the county seat of Trigg County?
- The county seat of Trigg County is Cadiz.
- Is there an online parcel map for Trigg 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 Trigg County's boundary or name changed?
- Trigg County was created in 1820 from Caldwell County and Christian County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving Caldwell County.
- Is my lot in a flood zone?
- We do not have flood maps for Trigg County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby