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 — STATE/MO/COUNTY/CLARK

Clark County, MO ZIP codes

There are 7 ZIP codes in Clark County, MO, in 7 towns, from 63430 to 63474. The largest are 63445 (Kahoka), 63430 (Alexandria) and 63465 (Revere). 2 more cross into it from a neighbouring county: 63435 and 63473.

The county seat is Kahoka.

ZIP codes
7
Partly in it
2 more
Towns
7
County seat
Kahoka
County FIPS
29045
Population
6,675
Median household income
$51,781
Land area
505 sq mi

Clark County ZIP codes by town

Kahoka (county seat)
63445

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Clark County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Clark County.

Map of Clark County ZIP codes

63430634456345363465634666347263474

The ZIP codes of Clark County, 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.

Clark County in numbers

About 6,675 people live in Clark County, in 2,423 households, the 102nd most populous of Missouri's 115 counties. The median household income is $51,781 a year, 27% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $130,700 (43% below the Missouri median), and median gross rent is $612 a month. The median age is 43.5; 14.9% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 25 minutes.

Population6,675Clark6,675
Households2,423Clark2,423
Median age43.5Clark43.5Missouri39.0US 38.9
Median household income$51,781Clark$51,781Missouri$70,702US $80,734
Median home value$130,700Clark$130,700Missouri$230,300US $332,700
Median gross rent$612Clark$612Missouri$1,033US $1,413
Bachelor's degree or higher14.9%Clark14.9%Missouri32.4%US 35.7%
Mean commute25.3 minClark25.3 minMissouri23.5 minUS 26.4 min
Population density13 / sq miClark13 / sq mi

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

Largest towns in Clark County

Largest towns in Clark County
TownZIP codesPopulation
Kahoka 1 2,072
Wayland 1 439
Wyaconda 1 195
Luray 1 181
Alexandria 1 103
Revere 1 47

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Clark County.

Not sure you are in Clark County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Clark County, with figures

ZIP codes in Clark County
ZIP City Type Population Median income Median home
63430 Alexandria , MO Standard 457 $65,250 —
63445 Kahoka , MO Standard 3,831 $48,370 $109,100
63453 Luray , MO Standard 388 $74,028 $225,000
63465 Revere , MO Standard 633 $57,361 $262,000
63466 Saint Patrick , MO Standard 0 — —
63472 Wayland , MO Standard 439 $22,455 —
63474 Wyaconda , MO Standard 444 $51,000 $68,400

Cite this page

zipcodes.pro. “Clark County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mo/county/clark

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