ZIP code 37166: Smithville, TN
37166 is a ZIP code in Smithville, Tennessee, mainly in DeKalb County. About 15,731 people live here.
- Population
- 15,731
- Median household income
- $52,797
- Typical home value
- $284,700+1.8% in 12 months
- Median rent
- $813gross, per month
- Median age
- 41.2
- Homeowners
- 71.8%of occupied homes
Shaded: ZIP code 37166's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 37166 details
| City | Smithville |
|---|---|
| State | Tennessee |
| County | DeKalb County (also partly Warren County, Cannon County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 154.6 sq mi, plus 11.5 sq mi of water |
| Population density | 102 people per sq mi |
| Bachelor's degree or higher | 20.1% of adults 25+ |
| Average commute | 26.1 minutes |
| Center coordinates | 35.91798, -85.78690 |
Median rent in 37166 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $460/mo |
| 2 bedrooms | $779/mo |
| 3 bedrooms | $1,012/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 37166
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 37059 | Dowelltown, TN | 8.0 mi | 1,590 |
| 37095 | Liberty, TN | 10.3 mi | 1,697 |
| 38587 | Walling, TN | 10.4 mi | 1,446 |
| 38582 | Silver Point, TN | 12.6 mi | 1,729 |
| 38550 | Campaign, TN | 13.4 mi | 17 |
| 38569 | Lancaster, TN | 14.4 mi | 390 |
| 38579 | Quebeck, TN | 14.5 mi | 1,475 |
| 38544 | Baxter, TN | 15.2 mi | 8,175 |
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
Buying a home in 37166?
A typical home in ZIP code 37166 is worth about $284,700 (Zillow Home Value Index). The median household here earns $52,797 a year. See what buying here would cost per month, with Tennessee average taxes and insurance filled in.
Monthly payment for a $284,700 homeWhat can a $52,797 income afford?Rental property numbers
About ZIP code 37166
What city is ZIP code 37166?
ZIP code 37166 is in Smithville, TN, in DeKalb County.
What county is ZIP code 37166 in?
37166 is mainly in DeKalb County, Tennessee, and partly in Warren County and Cannon County.
What is the population of ZIP code 37166?
About 15,731 people live in ZIP code 37166, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 37166 in?
37166 is in Central Time (UTC−6). It observes daylight saving time.