Knox County, Tennessee
Knox County, Tennessee, has 511,453 residents (July 2025 estimate). Its county seat is Knoxville. It uses Eastern Time and covers 508 sq mi (1,317 km²) of land.
- Resident population, July 2025
- 511,453
- Land area
- 508 sq mi (1,317 km²)
- County seat or government
- Knoxville
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $74,222 ± $1,390
- Median home value
- $320,900 ± $5,524
- Median rent, with utilities
- $1,261 ± $26
- Homes lived in by their owners
- 65.2% ± 0.7 points
- County type
- County
- Metro or micro area
- Knoxville, TN metro areaCentral county
- Water area
- 17.6 sq mi (45.5 km²)
- State
- Tennessee
- County code (FIPS)
- 47093
- Coordinates (central point)
- 35.992726, -83.937721
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
- 3791845,971 people
- 3792044,995 people
- 3792240,394 people
- 3783033,038 people
- 3793131,842 people
- 3791931,754 people
- 3792330,131 people
- 3784929,375 people
- 3792128,717 people
- 3793428,272 people
- 3793225,424 people
- 3791724,615 people
All 31
- 3791221,505 people
- 3791421,478 people
- 3793817,437 people
- 3790916,774 people
- 3791615,583 people
- 3777214,646 people
- 3792414,420 people
- 3772114,306 people
- 3776412,562 people
- 3780711,069 people
- 378719,926 people
- 379155,991 people
- 377544,211 people
- 377094,177 people
- 378063,674 people
- 377793,649 people
- 378533,365 people
- 379022,412 people
- 379290 people
31 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 District494,148 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.
- Knoxville, Tennessee (city)195,185 people
- Farragut, Tennessee (town)24,634 people
- Powell, Tennessee (CDP)13,739 people
- Halls, Tennessee (CDP)10,272 people
- Karns, Tennessee (CDP)4,115 people
- Mascot, Tennessee (CDP)3,277 people
- John Sevier, Tennessee (CDP)1,177 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Anderson County, Tennessee17 mi northwest
- Union County, Tennessee21 mi north
- Blount County, Tennessee21 mi south
- Sevier County, Tennessee27 mi southeast
- Loudon County, Tennessee28 mi southwest
- Jefferson County, Tennessee28 mi east
- Grainger County, Tennessee31 mi northeast
- Roane County, Tennessee34 mi west
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.
Find the county where you are now, check its ZIP area, or check the time zone where you are.
Areas that only touch the edge
These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.