Knox County, Kentucky
Knox County, Kentucky, has 29,532 residents (July 2025 estimate). Its county seat is Barbourville. It uses Eastern Time and covers 386 sq mi (1,001 km²) of land.
- Resident population, July 2025
- 29,532
- Land area
- 386 sq mi (1,001 km²)
- County seat or government
- Barbourville
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $32,527 ± $6,385
- Median home value
- $118,700 ± $14,145
- Median rent, with utilities
- $681 ± $39
- Homes lived in by their owners
- 65.3% ± 3.5 points
- County type
- County
- Metro or micro area
- Corbin, KY micro areaCentral county
- Water area
- 1.42 sq mi (3.68 km²)
- State
- Kentucky
- County code (FIPS)
- 21121
- Coordinates (central point)
- 36.888500, -83.855551
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Knox County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 4070130,526 people
- 4090610,813 people
- 407343,602 people
- 407593,122 people
- 407711,915 people
- 409351,748 people
- 409431,117 people
- 40923679 people
- 40915564 people
- 40903558 people
- 40949468 people
- 40953454 people
All 19
19 ZIP Code areas overlap Knox County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Knox County, largest first
- Knox County School District25,744 people
- Corbin Independent School District10,513 people
- Barbourville Independent School District2,911 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Corbin, Kentucky (city)8,246 people
- Barbourville, Kentucky (city)3,146 people
- North Corbin, Kentucky (CDP)2,190 people
- Flat Lick, Kentucky (CDP)634 people
- Artemus, Kentucky (CDP)426 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Bell County, Kentucky15 mi southeast
- Whitley County, Kentucky18 mi southwest
- Clay County, Kentucky21 mi north
- Laurel County, Kentucky21 mi northwest
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
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