Trigg County, Kentucky
Trigg County, Kentucky, has 14,512 residents (July 2025 estimate). Its county seat is Cadiz. It uses Central Time and covers 441 sq mi (1,143 km²) of land.
- Resident population, July 2025
- 14,512
- Land area
- 441 sq mi (1,143 km²)
- County seat or government
- Cadiz
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $59,857 ± $5,728
- Median home value
- $207,700 ± $13,511
- Median rent, with utilities
- $803 ± $78
- Homes lived in by their owners
- 76.9% ± 2.4 points
- County type
- County
- Metro or micro area
- Clarksville, TN-KY metro areaOutlying county
- Water area
- 39.9 sq mi (103 km²)
- State
- Kentucky
- County code (FIPS)
- 21221
- Coordinates (central point)
- 36.807681, -87.858652
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Trigg County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
5 ZIP Code areas overlap Trigg County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Trigg County, largest first
- Trigg County School District14,315 people
- Fort Campbell Dependent Schools11,356 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Cadiz, Kentucky (city)2,677 people
- Cerulean, Kentucky (CDP)263 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Lyon County, Kentucky19 mi northwest
- Christian County, Kentucky21 mi east
- Caldwell County, Kentucky24 mi north
- Stewart County, Tennessee25 mi south
- Calloway County, Kentucky26 mi southwest
- Marshall County, Kentucky27 mi west
Before using this answer on a form
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