ZIP code 37321: Dayton, TN
37321 is a ZIP code in Dayton, Tennessee, mainly in Rhea County. About 21,084 people live here.
- Population
- 21,084
- Median household income
- $54,684
- Typical home value
- $259,900+2.4% in 12 months
- Median rent
- $857gross, per month
- Median age
- 40.2
- Homeowners
- 66.6%of occupied homes
Shaded: ZIP code 37321's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 37321 details
| City | Dayton |
|---|---|
| State | Tennessee |
| County | Rhea County (also partly Bledsoe County) |
| Metro area | Not in a metro or micro area |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 114 sq mi, plus 5.9 sq mi of water |
| Population density | 185 people per sq mi |
| Bachelor's degree or higher | 19.3% of adults 25+ |
| Average commute | 27.4 minutes |
| Center coordinates | 35.50210, -85.00802 |
Median rent in 37321 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $872/mo |
| 3 bedrooms | $940/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 37321
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 37332 | Evensville, TN | 7.6 mi | 1,724 |
| 37373 | Sale Creek, TN | 8.1 mi | 3,273 |
| 37322 | Decatur, TN | 10.3 mi | 9,101 |
| 37308 | Birchwood, TN | 11.0 mi | 3,188 |
| 37338 | Graysville, TN | 12.4 mi | 3,309 |
| 37304 | Bakewell, TN | 13.1 mi | — |
| 37336 | Georgetown, TN | 14.0 mi | 4,483 |
| 37367 | Pikeville, TN | 14.7 mi | 11,169 |
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 37321?
A typical home in ZIP code 37321 is worth about $259,900 (Zillow Home Value Index). The median household here earns $54,684 a year. See what buying here would cost per month, with Tennessee average taxes and insurance filled in.
Monthly payment for a $259,900 homeWhat can a $54,684 income afford?Rental property numbers
About ZIP code 37321
What city is ZIP code 37321?
ZIP code 37321 is in Dayton, TN, in Rhea County.
What county is ZIP code 37321 in?
37321 is mainly in Rhea County, Tennessee, and partly in Bledsoe County.
What is the population of ZIP code 37321?
About 21,084 people live in ZIP code 37321, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 37321 in?
37321 is in Eastern Time (UTC−5). It observes daylight saving time.