Smith County, Tennessee ZIP codes
9 ZIP codes are in Smith County, plus 6 that cross in from neighboring counties. It's part of the Nashville-Davidson--Murfreesboro--Franklin, TN metro area.
- ZIP codes
- 9
- Population in these ZIPs
- 18,355
- Avg. median income
- $68,700population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Smith County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 37030 | Carthage | 8,183 | $61,800 | $278,000 |
| 37145 | Pleasant Shade | 2,442 | $69,150 | $252,800 |
| 37151 | Riddleton | 457 | $102,168 | $302,700 |
| 38547 | Brush Creek | 2,088 | $80,843 | $338,300 |
| 38552 | Chestnut Mound | 472 | $71,250 | $269,500 |
| 38560 | Elmwood | 1,432 | $77,986 | $296,900 |
| 38563 | Gordonsville | 1,826 | $50,313 | $311,900 |
| 38567 | Hickman | 1,065 | $100,368 | $315,600 |
| 38569 | Lancaster | 390 | — | $434,700 |
ZIP codes partly in Smith County
These ZIP codes are mostly in a neighboring county but cover part of Smith County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 37012 | Alexandria | DeKalb County | 2,118 | $49,265 | $289,900 |
| 37057 | Dixon Springs | Trousdale County | 1,016 | $78,940 | $294,700 |
| 37087 | Lebanon | Wilson County | 56,655 | $82,143 | $437,500 |
| 37090 | Lebanon | Wilson County | 19,774 | $84,299 | $452,300 |
| 37184 | Watertown | Wilson County | 7,289 | $83,125 | $424,300 |
| 38548 | Buffalo Valley | Putnam County | 1,154 | — | $286,700 |
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
Cities and towns in Smith County
Nearby counties
Frequently asked questions
How many ZIP codes are in Smith County, Tennessee?
9 ZIP codes are mainly in Smith County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Smith County?
ZIP codes in Smith County use the city names Brush Creek, Carthage, Chestnut Mound, Elmwood, Gordonsville, Hickman, Lancaster, Pleasant Shade and Riddleton.
What metro area is Smith County in?
Smith County is part of the Nashville-Davidson--Murfreesboro--Franklin, TN metropolitan statistical area.