Residential delivery area · Tennessee
ZIP Code 37650: Erwin, TN
ZIP code 37650 uses the postal name Erwin, Tennessee and lies mostly in Unicoi County (96% of its land) with the rest in Washington County (Census 2020 ZIP-county file). About 13,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,654 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Erwin (4%), Banner Hill (1%) and Embreeville (1%); 93% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Erwin · its only residential ZIP
- County
- Unicoi County (96%); Washington County (4%)
- Census places
- Erwin (4%); Banner Hill (1%) census-designated place; Embreeville (1%) census-designated place
- Metro area
- Johnson City, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 97.0 sq mi · 132 people per sq mi
Where is ZIP code 37650?
37650 centers on 36.088°, -82.469° and covers 97.0 square miles of land plus 0.5 of water. It borders 6 ZIP codes: 37657, 28740, 37692, 37641, 37659, 28714.
The map draws ZIP code areas only. For the streets inside 37650, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 37650 compare with the rest of Unicoi County?
| Measure | 37650 | In Unicoi County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 12,774 | 3rd of 5 | 185th of 636 |
| Median household income | $51k | 5th of 5 | 348th of 425 |
| Median home value | $168k | 3rd of 4 | 336th of 436 |
Its median household income is higher than in 15% of U.S. residential ZIP codes, and it is denser than 58% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 37650?
The 2020 Census counted 12,329 people in 37650; the ACS, which samples households over 2020-2024, estimates 12,774. Between the 2010 and 2020 censuses its population fell 3.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,774
- 2020 Census count
- 12,329−3.3% since 2010 (12,750)
- Households
- 5,336
- Median age
- 43.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 37650?
Of the 12,774 people the ACS estimates in 37650, 21.1% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.3%).
- Under 1821.1%
- 18 to 6457.2%
- 65 and older21.7%
- White, not Hispanic91.3%
- Hispanic or Latino7.1%
- Black, not Hispanic0.8%
- Other or two or more0.8%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 37650 earn?
Median household income is $50,654 (ACS 2020-2024), the 5th highest of the 5 ranked ZIP codes in Unicoi County. It is not measurably different from 2015-2019 ($51,619 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $50,654±$6,663
- Income per person
- $27,809
- Below the poverty line
- 12.4%
- Unemployed (of the labor force)
- 4.0%
- Adults 25+ with a bachelor's degree
- 18.9%
- Adjusted gross income per tax return, 2022
- $53,7775,230 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 37650?
FHFA's house price index for 37650, built from repeat sales and appraisals of the same homes, rose 103% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +0.4% in 2025.
- Median home value (owners' estimate)
- $168,100
- Median gross rent
- $722
- Homes owned by their occupants
- 75.8%
- Housing units
- 6,000
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 37650?
193 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)41
- Retail trade27
- Accommodation and food services25
- Health care and social assistance24
- Manufacturing17
- Construction11
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 37650?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37657 | Flag Pond | 1,060 | $73k | 7.1 mi |
| 28740 | Green Mountain, NC | 2,158 | $48k | 10.1 mi |
| 37692 | Unicoi | 4,766 | $54k | 11.4 mi |
| 37641 | Chuckey | 9,733 | $67k | 13.4 mi |
| 37659 | Jonesborough | 29,080 | $71k | 13.4 mi |
| 28714 | Burnsville, NC | 16,397 | $59k | 17.1 mi |
| 37690 | Telford | 4,722 | $74k | 12.4 mi (near) |
| 37681 | Limestone | 5,723 | $66k | 14.5 mi (near) |
| 28754 | Mars Hill, NC | 9,682 | $69k | 14.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.