Trigg County, Kentucky ZIP codes
1 ZIP codes are in Trigg County, plus 4 that cross in from neighboring counties. It's part of the Clarksville, TN-KY metro area.
- ZIP codes
- 1
- Population in these ZIPs
- 13,475
- Avg. median income
- $59,800population-weighted
- Cities & towns
- 1
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Trigg County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 42211 | Cadiz | 13,475 | $59,804 | $135,700 |
ZIP codes partly in Trigg County
These ZIP codes are mostly in a neighboring county but cover part of Trigg County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 42215 | Cerulean | Christian County | 1,319 | $83,098 | $207,800 |
| 42232 | Gracey | Christian County | 711 | $90,265 | $234,400 |
| 42236 | Herndon | Christian County | 931 | $68,819 | $250,300 |
| 42445 | Princeton | Caldwell County | 10,533 | $55,096 | $144,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Trigg County
Nearby counties
Frequently asked questions
How many ZIP codes are in Trigg County, Kentucky?
1 ZIP codes are mainly in Trigg County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Trigg County?
ZIP codes in Trigg County use the city names Cadiz.
What metro area is Trigg County in?
Trigg County is part of the Clarksville, TN-KY metropolitan statistical area.