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/OAKVILLE

Oakville ZIP codes, Missouri

No ZIP code is named for Oakville, MO; addresses there use a neighbouring town's name. The ZIP code covering it is 63129. Its area codes are 314 and 557.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
35,333
Area codes
314, 557

Oakville in numbers

About 35,333 people live in Oakville, in 13,914 households, the 18th-largest of Missouri's 1,062 census places. The median household income is $106,362 a year, 50% above the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $318,600 (38% above the Missouri median), and median gross rent is $1,091 a month. The median age is 45.1; 44.1% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 28 minutes.

Population35,333Oakville35,333
Households13,914Oakville13,914
Median age45.1Oakville45.1Missouri39.0US 38.9
Median household income$106,362Oakville$106,362Missouri$70,702US $80,734
Median home value$318,600Oakville$318,600Missouri$230,300US $332,700
Median gross rent$1,091Oakville$1,091Missouri$1,033US $1,413
Bachelor's degree or higher44.1%Oakville44.1%Missouri32.4%US 35.7%
Mean commute27.6 minOakville27.6 minMissouri23.5 minUS 26.4 min
Population density2,225 / sq miOakville2,225 / sq mi

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

ZIP codes covering Oakville

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

ZIP codes overlapping Oakville
ZIP City Type Population Median income Median home
63129 Saint Louis , MO Standard 51,553 $94,888 $295,600

Map of Oakville ZIP codes

63129

The ZIP codes of Oakville, 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 Oakville

The nearest larger towns are St. Louis (288,512 people, 13 mi), Belleville, IL (41,370 people, 18 mi) and Chesterfield (49,574 people, 20 mi).

Towns near Oakville
TownPopulationDistance
Arnold 20,956 3.2 mi
Mehlville 29,805 3.6 mi
Concord 18,368 4.6 mi
Green Park 2,690 5.2 mi
Columbia, IL 11,127 5.6 mi
Sappington 7,367 6.0 mi
Lemay 16,228 6.1 mi
Affton 19,052 6.9 mi
Dupo, IL 3,879 7.1 mi
Sunset Hills 9,112 7.5 mi
Imperial 5,488 7.6 mi
Crestwood 12,295 8.1 mi
Fenton 4,088 9.0 mi
Barnhart 5,785 9.1 mi

More nearby: every ZIP code in St. Louis County · Missouri ZIP codes

Cite this page

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

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