Residential delivery area · Kentucky
ZIP Code 40906: Barbourville, KY
ZIP code 40906 uses the postal name Barbourville, Kentucky and lies mostly in Knox County (98% of its land) with the rest in Whitley County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $23,375 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Barbourville; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Barbourville · its only residential ZIP
- County
- Knox County (98%); Whitley County (2%)
- Census places
- Barbourville
- Micro area
- Corbin, KY
- House district
- KY-5 119th Congress
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 137.4 sq mi · 79 people per sq mi
Where is ZIP code 40906?
40906 centers on 36.889°, -83.876° and covers 137.4 square miles of land plus 0.8 of water. It borders 12 ZIP codes: 40949, 40923, 40915, 40943, 40953, 40946, 40734, 40921, 40903, 40935 and more.
The map draws ZIP code areas only. For the streets inside 40906, 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 40906 compare with the rest of Knox County?
| Measure | 40906 | In Knox County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 10,813 | 2nd of 18 | 128th of 780 |
| Median household income | $23k | not ranked | not ranked |
| Median home value | $129k | 3rd of 4 | 237th of 320 |
40906's median household income is not ranked: its 90% margin of error (±$6,586) is more than a quarter of the figure ($23,375). 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 50% 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 40906?
The 2020 Census counted 11,187 people in 40906; the ACS, which samples households over 2020-2024, estimates 10,813. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 10,813
- 2020 Census count
- 11,187
- Households
- 4,261
- Median age
- 40.0
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 40906?
Of the 10,813 people the ACS estimates in 40906, 22.6% are under 18 and 18.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.5%).
- Under 1822.6%
- 18 to 6458.7%
- 65 and older18.8%
- White, not Hispanic94.5%
- Black, not Hispanic2.5%
- Other or two or more1.4%
- Hispanic or Latino1.1%
- Asian, not Hispanic0.5%
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 40906 earn?
Median household income is $23,375 (ACS 2020-2024).
- Median household income
- $23,375±$6,586
- Income per person
- $19,550
- Below the poverty line
- 42.1%
- Unemployed (of the labor force)
- 10.8%
- Adults 25+ with a bachelor's degree
- 20.4%
- Adjusted gross income per tax return, 2022
- $51,1313,880 returns; wages 73% 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 40906?
- Median home value (owners' estimate)
- $129,100
- Median gross rent
- $693
- Homes owned by their occupants
- 63.7%
- Housing units
- 5,109
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 40906?
232 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance54
- Retail trade50
- Accommodation and food services24
- Finance and insurance20
- Other services (except public administration)19
- Professional, scientific, and technical services18
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 40906?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40949 | Heidrick | 468 | $55k | 0.9 mi |
| 40923 | Cannon | 679 | $48k | 2.7 mi |
| 40915 | Bimble | 564 | $42k | 3.5 mi |
| 40943 | Girdler | 1,117 | $67k | 4.9 mi |
| 40953 | Hinkle | 454 | $16k | 5.3 mi |
| 40946 | Green Road | 28 | – | 5.5 mi |
| 40734 | Gray | 3,602 | $43k | 6.2 mi |
| 40921 | Bryants Store | 147 | – | 6.9 mi |
| 40903 | Artemus | 558 | $61k | 7.3 mi |
| 40935 | Flat Lick | 1,748 | $23k | 8.3 mi |
| 40771 | Woodbine | 1,915 | – | 9.1 mi |
| 40995 | Trosper | 120 | $36k | 9.9 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.