Residential delivery area · Tennessee
ZIP Code 37866: Sharps Chapel, TN
ZIP code 37866 uses the postal name Sharps Chapel, Tennessee and lies entirely in Union County (Census 2020 ZIP-county file). About 2,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $77,091 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sharps Chapel · its only residential ZIP
- County
- Union County
- Metro area
- Knoxville, TN
- House district
- TN-2 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 55.3 sq mi · 45 people per sq mi
Where is ZIP code 37866?
37866 centers on 36.347°, -83.843° and covers 55.3 square miles of land plus 11.5 of water. It borders 5 ZIP codes: 37807, 37870, 37825, 37705, 37766.
The map draws ZIP code areas only. For the streets inside 37866, 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 37866 compare with the rest of Union County?
| Measure | 37866 | In Union County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 2,468 | 9th of 10 | 417th of 636 |
| Median household income | $77k | not ranked | not ranked |
| Median home value | $279k | 2nd of 7 | 150th of 436 |
37866's median household income is not ranked: its 90% margin of error (±$25,637) is more than a quarter of the figure ($77,091). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 40% of 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 37866?
The 2020 Census counted 1,957 people in 37866; the ACS, which samples households over 2020-2024, estimates 2,468. Between the 2010 and 2020 censuses its population grew 15.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,468±533 (90% margin)
- 2020 Census count
- 1,957+15.2% since 2010 (1,699)
- Households
- 1,027
- Median age
- 44.5
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 37866?
Of the 2,468 people the ACS estimates in 37866, 20.9% are under 18 and 28.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.1%).
- Under 1820.9%
- 18 to 6451.0%
- 65 and older28.1%
- White, not Hispanic92.1%
- Hispanic or Latino4.2%
- Other or two or more3.7%
- Black, not Hispanic0.0%
- 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 37866 earn?
Median household income is $77,091 (ACS 2020-2024). It is not measurably different from 2015-2019 ($71,432 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $77,091±$25,637
- Income per person
- $38,942
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 19.0%
- Adjusted gross income per tax return, 2022
- $87,951920 returns; wages 54% 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 37866?
FHFA's house price index for 37866, built from repeat sales and appraisals of the same homes, rose 118% from 2015 to 2025 and rose 83% from 2020 to 2025, and moved +9.0% in 2025.
- Median home value (owners' estimate)
- $279,000
- Median gross rent
- $812
- Homes owned by their occupants
- 93.9%
- Housing units
- 1,404
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 37866?
12 business establishments had a location in this ZIP code in 2023, 1 fewer than in 2018 (ZIP Code Business Patterns).
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 37866?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37807 | Maynardville | 11,069 | $63k | 6.1 mi |
| 37870 | Speedwell | 4,385 | $56k | 8.0 mi |
| 37825 | New Tazewell | 8,409 | $50k | 10.3 mi |
| 37705 | Andersonville | 5,239 | $79k | 12.5 mi |
| 37766 | La Follette | 18,554 | $50k | 13.3 mi |
| 37779 | Luttrell | 3,649 | $51k | 10.6 mi (near) |
| 37848 | Powder Springs | 145 | – | 11.8 mi (near) |
| 37888 | Washburn | 3,432 | $46k | 14.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.