Erwin is a town in Unicoi County, Tennessee, home to about 5,988 people across 4.1 square miles. Its ZIP code is 37650.
Homes sold for a median of $155 per square foot in the three months ending August 2026, a seller’s market.
Mostly Erwin; also Banner Hill and Embreeville
Each card is that ZIP code’s whole market, including any part outside Erwin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Erwin’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)91 miles away |
|---|---|
| Closer regional airport | Tri-Cities Regional TN/VA Airport (TRI)24 miles away |
| Nearest city of 250,000+ | Charlotte, NC109 miles away |
| Nearest city of 1 million+ | Philadelphia, PA478 miles away |
Straight-line distances from the center of Erwin; 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.
Erwin had 6,083 residents in the 2020 census, up 8% since 2000.
It’s the 102nd largest of 502 towns in Tennessee by population.
Unicoi County grew from 5,851 residents in 1900 to 17,928 in 2020.
Unicoi 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 47 inches of rain and melted snow fall in a typical year, with about 9 inches of snow.
Source: NOAA 1991–2020 climate normals, Erwin 1 W, TN weather station (about a mile away).
4,203 jobs at 243 businesses in Unicoi County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
67 doctors and other health care providers list an office in Erwin.
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 4 |
| Nurse practitioners and physician assistants | 30 |
| Mental health providers | 8 |
| Physical and occupational therapists | 10 |
| Optometrists | 1 |
| Chiropractors | 1 |
| Pharmacies | 7 |
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 (2 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
Counts are within about 1.5 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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Unicoi County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Temple Hill ElementaryErwin | Pre-K–5 | 96 | Public | 5.0 mi |
| Unicoi Community Learning CenterErwin | Pre-K | 84 | Public | 0.3 mi |
| Love Chapel ElementaryErwin | K–5 | 333 | Public | 0.4 mi |
| Rock Creek ElementaryErwin | K–5 | 190 | Public | 1.8 mi |
| Unicoi Co Middle SchoolErwin | 6–8 | 432 | Public | 0.3 mi |
| Unicoi Co High SchoolErwin | 9–12 | 609 | Public | 0.3 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 Banner Hill and Embreeville.
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.