Union City, TN micro area ZIP codes
The Union City, TN micropolitan statistical area (CBSA 46460) covers 1 county in Tennessee and 10 ZIP codes.
- ZIP codes
- 10
- Population
- 29,989
- Avg. median income
- $54,700population-weighted
- Counties
- 1
Click anywhere on the map to see which ZIP code it's in.
Counties in the Union City, TN area
ZIP codes in the Union City, TN area
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 38232 | Hornbeak | Obion County | 2,238 | $46,272 | $164,800 |
| 38240 | Obion | Obion County | 1,620 | $53,095 | $159,500 |
| 38253 | Rives | Obion County | 917 | $69,954 | $197,500 |
| 38254 | Samburg | Obion County | 0 | — | — |
| 38257 | South Fulton | Obion County | 4,437 | $58,849 | $155,800 |
| 38259 | Trimble | Obion County | 672 | $39,896 | $107,000 |
| 38260 | Troy | Obion County | 3,720 | $49,139 | $177,400 |
| 38261 | Union City | Obion County | 16,385 | $55,876 | $173,000 |
| 38271 PO Box | Woodland Mills | Obion County | — | — | — |
| 38281 PO Box | Union City | Obion County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Frequently asked questions
How many ZIP codes are in the Union City, TN micro area?
10 ZIP codes, based on each ZIP code's main county.
Which counties make up the Union City, TN area?
Obion County.
What is an MSA?
A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).