Plainview is a city in Knox County, Tennessee, home to about 2,458 people across 6.4 square miles. It has no ZIP code of its own: it’s part of 37721 and 37779.
Homes sold for a median of $197 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Part is in Plainview
Mostly Luttrell; part is in Plainview
Each card is that ZIP code’s whole market, including any part outside Plainview. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Plainview’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | McGhee Tyson Airport (TYS)27 miles away |
|---|---|
| Nearest city of 250,000+ | Lexington-Fayette, KY135 miles away |
| Nearest city of 1 million+ | Chicago, IL444 miles away |
Straight-line distances from the center of Plainview; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Plainview had 2,060 residents in the 2020 census, up 10% since 2000.
It’s the 185th largest of 502 towns in Tennessee by population.
Knox County grew from 74,302 residents in 1900 to 478,971 in 2020.
Knox County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 25°F. About 57.9 inches of rain and melted snow fall in a typical year, with about 3 inches of snow.
Source: NOAA 1991–2020 climate normals, Norris, TN weather station (16 miles away).
242,117 jobs at 12,519 businesses in Knox County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
15 doctors and other health care providers list an office in Plainview’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Specialist doctors | 1 |
| Nurse practitioners and physician assistants | 11 |
| Mental health providers | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Knox County, Union County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gibbs ElementaryCorryton | Pre-K–5 | 966 | Public | 4.3 mi |
| Luttrell ElementaryLuttrell | Pre-K–5 | 341 | Public | 3.6 mi |
| Corryton ElementaryCorryton | K–5 | 195 | Public | 1.2 mi |
| Gibbs Middle SchoolCorryton | 6–8 | 609 | Public | 4.5 mi |
| Gibbs High SchoolCorryton | 9–12 | 1,029 | Public | 4.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Luttrell.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.