Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TN/DAYTON

Dayton ZIP code, Tennessee

The ZIP code for Dayton, TN is 37321, and its area code is 423.

USPS city name
1 ZIP code
Population
7,625
Area code
423

Dayton in numbers

About 7,625 people live in Dayton, in 3,359 households. The median household income is $49,719 a year, 29% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $214,900 (25% below the Tennessee median), and median gross rent is $848 a month. The median age is 40.3; 22.6% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 22 minutes.

Population7,625Dayton7,625
Households3,359Dayton3,359
Median age40.3Dayton40.3Tennessee38.9US 38.9
Median household income$49,719Dayton$49,719Tennessee$69,595US $80,734
Median home value$214,900Dayton$214,900Tennessee$286,700US $332,700
Median gross rent$848Dayton$848Tennessee$1,189US $1,413
Bachelor's degree or higher22.6%Dayton22.6%Tennessee31.1%US 35.7%
Mean commute22.2 minDayton22.2 minTennessee25.7 minUS 26.4 min
Population density897 / sq miDayton897 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Dayton city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Dayton

ZIP codes with the USPS city name Dayton
ZIP City Type Population Median income Median home
37321 Dayton , TN Standard 21,084 $54,684 $192,700

Map of Dayton ZIP codes

37321

The ZIP codes of Dayton, TN, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Dayton

The nearest larger towns are Soddy-Daisy (13,231 people, 19 mi), Athens (14,471 people, 23 mi) and Cleveland (48,829 people, 23 mi).

Towns near Dayton
TownPopulationDistance
Sale Creek 2,955 8.6 mi
Hopewell 2,634 18.5 mi
Soddy-Daisy 13,231 18.6 mi
Athens 14,471 22.9 mi
Cleveland 48,829 23.1 mi
Dunlap 5,678 23.2 mi
Middle Valley 12,187 23.6 mi
Lake Tansi 4,437 26.1 mi
Harrison 8,011 26.8 mi
South Cleveland 7,452 27.3 mi
Etowah 3,658 29.2 mi
Wildwood Lake 3,495 29.6 mi

More nearby: every ZIP code in Rhea County · Tennessee ZIP codes

Cite this page

zipcodes.pro. “Dayton, TN ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tn/dayton

Underlying data is public domain or openly licensed — sources, vintages and licences.