ZIP codes
15
Knox County, KY Demographics & ZIP Codes
Knox County, Kentucky demographics and median household income by ZIP code — 15 ZIP codes — population 23,173 — avg. income $45,509 — avg. home value $84,931. Compare income, housing, and ZIP-level data on US5.
Population
23,173
Median household income (avg.)
$45,509
61% of U.S. median
Average home value
$84,931
24% of U.S. median
Average rent
$351
30% of U.S. median
Knox County demographics
Knox County, Kentucky covers 15 ZIP codes, with a combined ZIP-area population of about 23,173.
Median household income in Knox County
The average median household income across ZIP codes in Knox County, Kentucky is about $45,509 — about 20% below the KY ZIP average ($57,217), and about 39% below the U.S. median ($75,149).
Among ZIPs with income data, 40949 (Barbourville) is near the top at about $75,521, while 40935 (Flat Lick) is near the bottom at about $21,707.
Housing in Knox County
For housing in Knox County, Kentucky, the average median home value is about $84,931 and the average median rent is about $351.
The most populous ZIP is 40906 (Barbourville) with about 10,560 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Knox County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 40906 | Barbourville | Knox County | KY | 10,560 | $22,355 | $120,900 |
| 40734 | — | Knox County | KY | 3,633 | $40,270 | $112,400 |
| 40935 | Flat Lick | Knox County | KY | 1,979 | $21,707 | $50,900 |
| 40771 | Corbin | Knox County | KY | 1,702 | — | $80,200 |
| 40923 | — | Knox County | KY | 1,012 | $45,735 | $130,700 |
| 40903 | Artemus | Knox County | KY | 786 | $57,417 | $50,000 |
| 40915 | Barbourville | Knox County | KY | 731 | $41,209 | $9,999 |
| 40943 | — | Knox County | KY | 675 | — | $99,800 |
| 40953 | — | Knox County | KY | 642 | $59,861 | $82,400 |
| 40982 | — | Knox County | KY | 454 | — | $137,100 |
| 40949 | Barbourville | Knox County | KY | 409 | $75,521 | $136,200 |
| 40997 | — | Knox County | KY | 361 | — | $47,700 |
| 40921 | — | Knox County | KY | 129 | — | $45,800 |
| 40995 | — | Knox County | KY | 68 | — | — |
| 40946 | — | Knox County | KY | 32 | — | — |
Frequently asked questions
What are the demographics of Knox County?
Knox County, Kentucky has a combined ZIP-area population of about 23,173 across 15 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Knox County?
The average median household income across ZIP codes in Knox County, Kentucky is about $45,509, about 20% below the state ZIP average ($57,217), and about 39% below the U.S. median ($75,149). Average median home value is about $84,931. Among ZIPs with data, 40949 (Barbourville) is near the top ($75,521) and 40935 (Flat Lick) is near the bottom ($21,707).
How many ZIP codes are in Knox County?
Knox County, Kentucky includes 15 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Knox County?
This page lists ZIP codes in Knox County, Kentucky with population, median household income, and home value. Select a ZIP for a full demographics profile.