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/MO/SMITHVILLE

Smithville ZIP code, Missouri

The ZIP code for Smithville, MO is 64089, and its area code is 816.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
10,705
Area code
816

Mail addressed to Smithville uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Smithville in numbers

About 10,705 people live in Smithville, in 4,075 households. The median household income is $101,165 a year, 43% above the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $290,600 (26% above the Missouri median), and median gross rent is $1,323 a month. The median age is 37.4; 32.4% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 29 minutes.

Population10,705Smithville10,705
Households4,075Smithville4,075
Median age37.4Smithville37.4Missouri39.0US 38.9
Median household income$101,165Smithville$101,165Missouri$70,702US $80,734
Median home value$290,600Smithville$290,600Missouri$230,300US $332,700
Median gross rent$1,323Smithville$1,323Missouri$1,033US $1,413
Bachelor's degree or higher32.4%Smithville32.4%Missouri32.4%US 35.7%
Mean commute28.5 minSmithville28.5 minMissouri23.5 minUS 26.4 min
Population density663 / sq miSmithville663 / 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
64089 Smithville , MO Standard 14,380 $101,009 $327,200

Other ZIP codes overlapping Smithville

These ZIP codes cover part of Smithville but are addressed as somewhere else.

ZIP codes overlapping Smithville
ZIP City Type Population Median income Median home
64164 Kansas City , MO Standard 208 $145,208 $407,100

Map of Smithville ZIP codes

64089

The ZIP codes of Smithville, MO, 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 Kearney (10,885 people, 12 mi), Gladstone (27,207 people, 13 mi) and Liberty (30,689 people, 13 mi).

Towns near Smithville
TownPopulationDistance
Platte City 4,824 10.2 mi
Kearney 10,885 11.7 mi
Gladstone 27,207 12.7 mi
Pleasant Valley 2,736 13.3 mi
Liberty 30,689 13.5 mi
Parkville 8,366 14.5 mi
Riverside 4,276 15.9 mi
Lathrop 2,560 17.6 mi
North Kansas City 4,983 17.8 mi
Excelsior Springs 10,484 18.1 mi
Kansas City 510,612 18.8 mi
Lawson 2,905 18.9 mi
Leavenworth, KS 37,195 19.6 mi
Sugar Creek 3,249 19.8 mi

More nearby: every ZIP code in Clay County · Missouri ZIP codes

Cite this page

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

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