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/SMITHVILLE

Smithville ZIP code, Tennessee

The ZIP code for Smithville, TN is 37166, and its area codes are 615 and 629.

USPS city name
1 ZIP code
Population
5,288
Area codes
615, 629

Smithville in numbers

About 5,288 people live in Smithville, in 2,185 households. The median household income is $33,192 a year, 52% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $194,200 (32% below the Tennessee median), and median gross rent is $740 a month. The median age is 42.2; 17.0% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 15 minutes.

Population5,288Smithville5,288
Households2,185Smithville2,185
Median age42.2Smithville42.2Tennessee38.9US 38.9
Median household income$33,192Smithville$33,192Tennessee$69,595US $80,734
Median home value$194,200Smithville$194,200Tennessee$286,700US $332,700
Median gross rent$740Smithville$740Tennessee$1,189US $1,413
Bachelor's degree or higher17.0%Smithville17.0%Tennessee31.1%US 35.7%
Mean commute15.1 minSmithville15.1 minTennessee25.7 minUS 26.4 min
Population density897 / sq miSmithville897 / sq mi

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

ZIP codes addressed as Smithville

ZIP codes with the USPS city name Smithville
ZIP City Type Population Median income Median home
37166 Smithville , TN Standard 15,731 $52,797 $224,300

Map of Smithville ZIP codes

37166

The ZIP codes of Smithville, 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 Smithville

The nearest larger towns are McMinnville (13,844 people, 19 mi), Cookeville (36,088 people, 22 mi) and Lebanon (44,788 people, 34 mi).

Towns near Smithville
TownPopulationDistance
Woodbury 2,774 16.8 mi
McMinnville 13,844 18.9 mi
Sparta 4,939 19.6 mi
Cookeville 36,088 21.6 mi
Algood 4,036 26.8 mi

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

Cite this page

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

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