Knox
Source:
Kentucky
Knox is a sparsely populated county in Kentucky with 15 ZIP codes, 24,904 people, and one of the lowest household incomes among US counties among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Knox, KY sits among US counties with one of the lowest household incomes among US counties, on a sparsely populated county population base, across a multi-ZIP patchwork.
- 4th pct
- household income vs 3,210 US counties
- 24,904
- combined ZIP population
- 15
- USPS ZIP codes covered
- $39,126
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Knox lands in the national county income distribution as one of the lowest household incomes among US counties on sparsely populated county footing (FIPS 21121, 15 ZIPs, combined population 24,904). Sort the ZIP table by population before treating the county mean as uniform.
Lower household-income footing across 15 ZIPs (combined population 24,904). Cost-of-living reads should start from the densest ZIP rather than the county mean - sparse codes can dominate land area while a small urban ZIP carries most residents.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
15
Total ZIPs
24,904
Total Population
ZIP Codes in Knox
Side-by-side: Compare 40906 vs 40734 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 40906 | Barbourville | 11,132 | 35 |
| 40734 | Gray | 3,764 | 36 |
| 40935 | Flat Lick | 2,699 | 14 |
| 40771 | Woodbine | 1,068 | 33 |
| 40953 | Hinkle | 998 | 34 |
| 40915 | Bimble | 896 | 36 |
| 40949 | Heidrick | 788 | 94 |
| 40943 | Girdler | 748 | 45 |
| 40923 | Cannon | 735 | 71 |
| 40903 | Artemus | 681 | 31 |
| 40982 | Scalf | 388 | 24 |
| 40997 | Walker | 371 | 7 |
| 40921 | Bryants Store | 295 | 7 |
| 40946 | Green Road | 220 | 8 |
| 40995 | Trosper | 121 | 16 |
Frequently Asked Questions
What is the population of Knox?
Knox has a total population of 24,904 across 15 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Knox?
Knox includes 15 ZIP codes: 40906, 40734, 40935, 40771, 40953, 40915, 40949, 40943, 40923, 40903, and more.