Unicoi County, TN ZIP Codes
3 ZIP codes cover all or part of Unicoi County, Tennessee: 37650, 37692 and 37657. The Census Bureau counts 17,756 residents in the county, with a median household income of $52,218 and a median home value of $189,600. Median household income ranges from $50,654 in 37650 to $73,108 in 37657. Its largest communities include Erwin, Unicoi, Banner Hill and Embreeville.
Unicoi County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 17,756 |
| Households | 7,795 |
| Median household income | $52,218 |
| Median home value | $189,600 |
| Median age | 46.9 |
| Median rent | $750 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,600 |
| Households (sum of ZIP codes) | 7,975 |
| Median household income, range across ZIP codes | $50,654 (37650) to $73,108 (37657) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $52,588 |
| Homeowners | 73.6% |
| Households with kids under 18 | 26.5% |
| Moved in the past year | 7.6% |
| Carrier routes in EDDM2GO's route library | 13 routes, 8,338 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Unicoi County: 37657 ($73,108)
- Most residents: 37650 (12,774 people)
- Highest homeownership: 37657 (85.8% own their home)
- Most households with kids: 37657 (42.0% of households)
- Most new movers: 37650 (8.6% moved in last year)
- Youngest median age: 37657 (41.7 years)
- Highest median home value: 37692 ($232,600)
Every ZIP code in Unicoi County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37650 | Erwin | 12,774 | 5,336 | $50,654 | $168,100 | 75.8% | 28.9% | 8.6% | 9 | 6,070 | 96% of its land |
| 37692 | Unicoi | 4,766 | 2,239 | $53,531 | $232,600 | 66.1% | 17.9% | 6.8% | 3 | 2,215 | 100% of its land |
| 37657 | Flag Pond | 1,060 | 400 | $73,108 | $190,600 | 85.8% | 42.0% | 0.0% | 1 | 456 | 100% of its land |
A ZIP code is listed for Unicoi County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Erwin — 5,988 residents · 1 ZIP code
- Unicoi — 3,806 residents · 1 ZIP code
- Banner Hill — 1,211 residents · 1 ZIP code
- Embreeville — 1,062 residents · 1 ZIP code
Price a mailing to Unicoi County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Unicoi County, TN?
- 37650, 37692 and 37657. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Unicoi County?
- 17,756 residents in 7,795 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Unicoi County?
- $52,218 for the county as a whole. Its ZIP codes range from $50,654 (37650) to $73,108 (37657).
- Which Unicoi County ZIP code has the highest median household income?
- 37657, at $73,108, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Unicoi County?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 13 carrier routes reaching 8,338 residential and 403 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.