ZIP code 37321
Where is ZIP code 37321?
Dayton, Tennessee
Rhea County · Standard ZIP code
ZIP code 37321 belongs to Dayton, Tennessee in Rhea County. 37321 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area code 423. About 21,084 people live in the 37321 area, where the median household income is $54,684. The closest ZIP codes are 37332 (Evensville, 8 mi north), 37373 (Sale Creek, 9.4 mi southwest) and 37338 (Graysville, 10 mi west).
| ZIP code | 37321 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Dayton |
| State | Tennessee (TN) |
| County | Rhea County |
| Time zone | Eastern Time · now |
| Area code | 423 |
| Coordinates | 35.5002, -85.0135 map |
| 3-digit prefix | 373 |
Population and income in 37321
| Population | 21,084 · higher than 81% of Tennessee ZIP codes |
|---|---|
| People per square mile | 185 · higher than 68% of Tennessee ZIP codes |
| Median age | 40.2 years · lower than 63% of Tennessee ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $54,684 · lower than 67% of Tennessee ZIP codes |
| Income per person | $30,389 |
| Below the poverty line | 15% |
| Bachelor’s degree or higher | 19% of adults 25+ |
| Median home value | $192,700 · lower than 59% of Tennessee ZIP codes |
| Median rent | $857 a month |
| Housing units | 9,274 |
| Households | 8,321 (2.46 people on average) |
| Owners / renters | 67% / 33% |
| Land area | 114.01 sq mi (plus 5.94 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 37321. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 37321
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 37332 | Evensville, TN | 8 mi N | Standard |
| 37373 | Sale Creek, TN | 9.4 mi SW | Standard |
| 37338 | Graysville, TN | 10 mi W | Standard |
| 37308 | Birchwood, TN | 10.6 mi S | Standard |
| 37322 | Decatur, TN | 11.6 mi E | Standard |
| 37304 | Bakewell, TN | 12.8 mi SW | Standard |
| 37367 | Pikeville, TN | 14.6 mi NW | Standard |
| 37336 | Georgetown, TN | 15.4 mi S | Standard |
| 37381 | Spring City, TN | 17.2 mi NE | Standard |
| 37379 | Soddy Daisy, TN | 19.1 mi SW | Standard |
| 37309 | Calhoun, TN | 19.8 mi SE | Standard |
| 37337 | Grandview, TN | 19.9 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 37321 or measure the distance to another ZIP code.
How to address mail to 37321
123 MAIN ST
DAYTON TN 37321
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (37321-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 37321?
- 37321 is a Dayton, Tennessee ZIP code.
- What county is 37321 in?
- ZIP code 37321 is in Rhea County, Tennessee.
- What time zone is ZIP code 37321 in?
- 37321 is in the Eastern Time zone (America/New_York).
- What area code is 37321?
- Phone numbers in ZIP code 37321 use area code 423.
- What is the population of ZIP code 37321?
- About 21,084 people live in ZIP code 37321, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 37321?
- The median household income in 37321 is $54,684 a year, lower than 67% of Tennessee ZIP codes.
- What ZIP codes are near 37321?
- The nearest ZIP codes to 37321 are 37332 (Evensville, 8 miles), 37373 (Sale Creek, 9.4 miles), 37338 (Graysville, 10 miles) and 37308 (Birchwood, 10.6 miles).