Smithville, TN ZIP code
The ZIP code for Smithville, Tennessee is 37166. It is in DeKalb County.
- Population in these ZIPs
- 15,731
- Avg. median income
- $52,800population-weighted
- Typical home value
- $284,700population-weighted
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Smithville, TN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 37166 | 15,731 | $52,797 | $284,700 |
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 near Smithville
- Dowelltown 8 mi
- Liberty 10 mi
- Walling 10 mi
- Silver Point 13 mi
- Campaign 13 mi
- Lancaster 14 mi
- Quebeck 15 mi
- Baxter 15 mi
- Rock Island 15 mi
- Woodbury 16 mi
- Alexandria 16 mi
- Hickman 17 mi
Frequently asked questions
What is the ZIP code for Smithville, TN?
The ZIP code for Smithville, TN is 37166.
What county is Smithville, Tennessee in?
Smithville ZIP codes are in DeKalb County.