Residential delivery area · Tennessee
ZIP Code 37888: Washburn, TN
ZIP code 37888 uses the postal name Washburn, Tennessee and lies mostly in Grainger County (91% of its land) with the rest in Union County (Census 2020 ZIP-county file). About 3,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $45,669 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Washburn · its only residential ZIP
- County
- Grainger County (91%); Union County (9%)
- Metro area
- Knoxville, TN
- House district
- TN-2 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 55.7 sq mi · 62 people per sq mi
Where is ZIP code 37888?
37888 centers on 36.330°, -83.579° and covers 55.7 square miles of land plus 1.4 of water. It borders 7 ZIP codes: 37861, 37825, 37848, 37879, 37779, 37881, 37807.
The map draws ZIP code areas only. For the streets inside 37888, 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 37888 compare with the rest of Grainger County?
| Measure | 37888 | In Grainger County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 3,432 | 6th of 8 | 365th of 636 |
| Median household income | $46k | not ranked | not ranked |
| Median home value | $137k | 6th of 7 | 389th of 436 |
37888's median household income is not ranked: its 90% margin of error (±$11,668) is more than a quarter of the figure ($45,669). 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 46% 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 37888?
The 2020 Census counted 2,734 people in 37888; the ACS, which samples households over 2020-2024, estimates 3,432. Between the 2010 and 2020 censuses its population fell 0.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,432±579 (90% margin)
- 2020 Census count
- 2,734−0.3% since 2010 (2,741)
- Households
- 1,261
- Median age
- 48.6
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 37888?
Of the 3,432 people the ACS estimates in 37888, 21.2% are under 18 and 19.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.6%).
- Under 1821.2%
- 18 to 6459.8%
- 65 and older19.0%
- White, not Hispanic95.6%
- Hispanic or Latino3.4%
- Other or two or more0.9%
- 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 37888 earn?
Median household income is $45,669 (ACS 2020-2024). It is not measurably different from 2015-2019 ($55,521 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $45,669±$11,668
- Income per person
- $22,567
- Below the poverty line
- 23.0%
- Unemployed (of the labor force)
- 8.3%
- Adults 25+ with a bachelor's degree
- 14.1%
- Adjusted gross income per tax return, 2022
- $56,1361,070 returns; wages 76% 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 37888?
- Median home value (owners' estimate)
- $137,400
- Median gross rent
- $907
- Homes owned by their occupants
- 78.7%
- Housing units
- 1,532
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 37888?
19 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction5
- Retail trade5
- Transportation and warehousing4
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 37888?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37861 | Rutledge | 8,608 | $52k | 7.2 mi |
| 37825 | New Tazewell | 8,409 | $50k | 8.1 mi |
| 37848 | Powder Springs | 145 | – | 8.6 mi |
| 37879 | Tazewell | 11,854 | $48k | 10.6 mi |
| 37779 | Luttrell | 3,649 | $51k | 12.9 mi |
| 37881 | Thorn Hill | 1,677 | $37k | 12.9 mi |
| 37807 | Maynardville | 11,069 | $63k | 14.6 mi |
| 37709 | Blaine | 4,177 | $76k | 12.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.