Cosby is a community in Cocke County, Tennessee, home to about 779 people across 5.5 square miles. It has no ZIP code of its own: it’s part of 37722.
Homes sold for a median of $239 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Cosby. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Cosby’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)43 miles away |
|---|---|
| Nearest city of 250,000+ | Charlotte, NC141 miles away |
| Nearest city of 1 million+ | Chicago, IL479 miles away |
Straight-line distances from the center of Cosby; 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.
It’s the 331st largest of 502 towns in Tennessee by population.
Cocke County grew from 19,153 residents in 1900 to 35,999 in 2020.
Cocke County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 29°F. About 53.9 inches of rain and melted snow fall in a typical year, with about 6 inches of snow.
Source: NOAA 1991–2020 climate normals, Waterville 2, NC weather station (8 miles away).
5,871 jobs at 474 businesses in Cocke County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Cosby.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|---|
| Physical and occupational therapists | 1 |
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.
Libraries (1 nearby)
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 Sevier County, Cocke County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Jones Cove ElementaryCosby | Pre-K–6 | 102 | Public | 5.2 mi |
| Smoky Mountain ElementaryCosby | Pre-K–8 | 176 | Public | 3.1 mi |
| Cosby ElementaryCosby | K–8 | 429 | Public | 0.5 mi |
| Cosby High SchoolCosby | 9–12 | 343 | Public | 0.5 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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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.