Obion County, TN ZIP codes
There are 10 ZIP codes in Obion County, TN, in 9 towns, from 38232 to 38281. The largest are 38261 (Union City), 38257 (South Fulton) and 38260 (Troy). 1 more crosses into it from a neighbouring county: 38233.
The county seat is Union City.
- ZIP codes
- 10
- Partly in it
- 1 more
- Towns
- 9
- County seat
- Union City
- County FIPS
47131- State
- Tennessee
- Population
- 30,453
- Median household income
- $54,613
- Land area
- 545 sq mi
- Area code
- 731
- Metro area
- Union City
Obion County ZIP codes by town
- Union City (county seat)
- 38261, 38281
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Obion County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Obion County.
- 38233 Kenton · mostly in Gibson County
Map of Obion County ZIP codes
The ZIP codes of Obion County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Obion County in numbers
About 30,453 people live in Obion County, in 12,527 households, the 50th most populous of Tennessee's 95 counties. The median household income is $54,613 a year, 22% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $133,600 (53% below the Tennessee median), and median gross rent is $770 a month. The median age is 41.8; 18.3% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 20 minutes.
| Population | 30,453 |
|---|---|
| Households | 12,527 |
| Median age | 41.8 |
| Median household income | $54,613 |
| Median home value | $133,600 |
| Median gross rent | $770 |
| Bachelor's degree or higher | 18.3% |
| Mean commute | 20.2 min |
| Population density | 56 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Obion County
| Town | ZIP codes | Population |
|---|---|---|
| Union City | 2 | 10,982 |
| South Fulton | 1 | 2,379 |
| Troy | 1 | 1,827 |
| Obion | 1 | 1,087 |
| Woodland Mills | 1 | 624 |
| Trimble | 1 | 554 |
| Hornbeak | 1 | 540 |
| Samburg | 1 | 231 |
| Rives | 1 | 162 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Obion County.
Not sure you are in Obion County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Obion County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
38232 | Hornbeak , TN | Standard | 2,238 | $46,272 | $103,200 |
38240 | Obion , TN | Standard | 1,620 | $53,095 | $115,200 |
38253 | Rives , TN | Standard | 917 | $69,954 | $250,000 |
38254 | Samburg , TN | Standard | 0 | — | — |
38257 | South Fulton , TN | Standard | 4,437 | $58,849 | $103,100 |
38259 | Trimble , TN | Standard | 672 | $39,896 | $108,700 |
38260 | Troy , TN | Standard | 3,720 | $49,139 | $122,000 |
38261 | Union City , TN | Standard | 16,385 | $55,876 | $153,400 |
38271 | Woodland Mills , TN | No street area | — | — | — |
38281 | Union City , TN | No street area | — | — | — |
Cite this page
zipcodes.pro. “Obion County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/obion
Underlying data is public domain or openly licensed — sources, vintages and licences.