County · GEOID 21121
Knox County, KY ZIP codes
19 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Knox County (GEOID 21121). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 56,633 (19 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Knox County
Population overlap
Share of each ZIP/ZCTA’s population located within Knox County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 4070124.0%
- 4073496.9%
Directory county
- 407597.6%
- 407631.2%
- 4077152.5%
Directory county
- 40903100.0%
Directory county
- 4090698.7%
Directory county
- 40915100.0%
Directory county
- 40921100.0%
Directory county
- 40923100.0%
Directory county
- 40935100.0%
Directory county
- 409391.7%
- 40943100.0%
Directory county
- 40946100.0%
Directory county
- 40949100.0%
Directory county
- 40953100.0%
Directory county
- 40982100.0%
Directory county
- 40995100.0%
Directory county
- 40997100.0%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Knox County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 40701 | Corbin | Whitley County | 29,767 | $47,288 |
| 40734 | Gray | Knox County | 3,633 | $40,270 |
| 40759 | Rockholds | Whitley County | 3,194 | $31,588 |
| 40763 | Siler | Whitley County | 310 | $21,813 |
| 40771 | Woodbine | Knox County | 1,702 | — |
| 40903 | Artemus | Knox County | 786 | $57,417 |
| 40906 | Barbourville | Knox County | 10,560 | $22,355 |
| 40915 | Bimble | Knox County | 731 | $41,209 |
| 40921 | Bryants Store | Knox County | 129 | — |
| 40923 | Cannon | Knox County | 1,012 | $45,735 |
| 40935 | Flat Lick | Knox County | 1,979 | $21,707 |
| 40939 | Fourmile | Bell County | 189 | — |
| 40943 | Girdler | Knox County | 675 | — |
| 40946 | Green Road | Knox County | 32 | — |
| 40949 | Heidrick | Knox County | 409 | $75,521 |
| 40953 | Hinkle | Knox County | 642 | $59,861 |
| 40982 | Scalf | Knox County | 454 | — |
| 40995 | Trosper | Knox County | 68 | — |
| 40997 | Walker | Knox County | 361 | — |
USPS associates these ZIPs with Knox County
These codes list Knox County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 40930 | Dewitt | Knox County | 463 | — |
| 40999 | Woollum | Knox County | 348 | — |