Knox County, Kentucky ZIP codes
16 ZIP codes are in Knox County, plus 4 that cross in from neighboring counties. It's part of the Corbin, KY micro area.
- ZIP codes
- 16
- Population in these ZIPs
- 22,785
- Avg. median income
- $32,100population-weighted
- Cities & towns
- 16
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Knox County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 40734 | Gray | 3,602 | $42,500 | $138,000 |
| 40771 | Woodbine | 1,915 | — | $127,200 |
| 40903 | Artemus | 558 | $60,833 | $84,000 |
| 40906 | Barbourville | 10,813 | $23,375 | $140,100 |
| 40915 | Bimble | 564 | $41,822 | $129,700 |
| 40921 | Bryants Store | 147 | — | — |
| 40923 | Cannon | 679 | $47,865 | $136,000 |
| 40930 PO Box | Dewitt | — | — | — |
| 40935 | Flat Lick | 1,748 | $23,157 | $85,700 |
| 40943 | Girdler | 1,117 | $67,143 | $144,400 |
| 40946 | Green Road | 28 | — | — |
| 40949 | Heidrick | 468 | $54,688 | $136,900 |
| 40953 | Hinkle | 454 | $16,375 | $105,300 |
| 40982 | Scalf | 168 | $16,442 | $117,000 |
| 40995 | Trosper | 120 | $36,188 | — |
| 40997 | Walker | 404 | — | $64,100 |
ZIP codes partly in Knox County
These ZIP codes are mostly in a neighboring county but cover part of Knox County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 40701 | Corbin | Whitley County | 30,526 | $47,204 | $170,500 |
| 40759 | Rockholds | Whitley County | 3,122 | $34,909 | $126,000 |
| 40763 | Siler | Whitley County | 411 | — | $80,700 |
| 40939 | Fourmile | Bell County | 165 | — | — |
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 Knox County
Nearby counties
Frequently asked questions
How many ZIP codes are in Knox County, Kentucky?
16 ZIP codes are mainly in Knox County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Knox County?
ZIP codes in Knox County use the city names Artemus, Barbourville, Bimble, Bryants Store, Cannon, Dewitt, Flat Lick, Girdler, Gray, Green Road, Heidrick and Hinkle and others.
What metro area is Knox County in?
Knox County is part of the Corbin, KY micropolitan statistical area.