ZIP Codes of Clark County, MO

Population & People
Population & People
Total Population
6,192
Household Income
Household Income
Median Income
$53,077
Housing
Housing
Total Housing Units
2,845
Business & Economy
Business & Economy
Total Businesses
132
Employment
Employment
Employment Rate
50.97%
Education
Education
Bachelor's Degree+
14.82%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:660
Timezone:Central (GMT -06:00)
Local Time:11:53:59 PM
Population:6,192 [See All]
FIPS:29045
Land Area:418 sq mi
Water Area:6 sq mi
Coordinates:40.4064, -91.6986
Quick Link:
https://www.zip-codes.com/county/mo-clark.asp
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Extreme geographic sprawl
The largest ZIP spans 395× the smallest by area — 165.4 sq mi down to 0.42.
Notable income spread
Median income ranges $22,455 to $74,028 across ZIPs — a 3.3× gap.

Standout ZIPs in this County


Most Populous
Kahoka · 3,831 people
61.9% of county total
Highest Income
Luray · $74,028 median
1.4× county average
Largest Land Area
Kahoka · 165.4 sq mi
Spans the most ground
Fastest Growth
Kahoka · 7.6% (10-yr)
3,561 → 3,831 residents
Most Educated
Kahoka · 15.5% bachelor's+
402 of 2,593 adults 25+

Things worth knowing about Clark County


6,192 residents live across 7 ZIPs covering 418 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 6,236 to 6,192 from 2014 to 2024 — a -0.7% change. 2 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 63453 (Luray, $74,028 median) and poorest ZIP 63472 (Wayland, $22,455) are 17.8 miles apart — a 3.3× income gap across local geography.

Median home values vary 3.8× across this county — from $68,400 in 63474 (Wyaconda) to $262,000 in 63465 (Revere).

Density varies 171× across the county — from 6 people/sq mi in 63453 (Luray) to 1,049 in 63472 (Wayland).

Educational attainment ranges from 2.4% bachelor's+ in 63472 (Wayland) to 25.5% in 63430 (Alexandria) — the breadth of educational profiles across the area.

Within Missouri, this is the #104 most populous of 116 counties and ranks #93 for median household income .

Weighted by population, the typical household earns about $50,494 across the county — reflecting what a typical resident sees, not a simple ZIP average.

14.8% of adults age 25+ hold a bachelor's degree or higher (619 of 4,178 reporting).

6 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Clark County


Two counties in one

Median household income spans 3.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Luray
Median income: $74,028
Population: 388
Bachelor's+: 22.5%
vs
Poorest ZIP (pop >= 500)
Wayland
Median income: $22,455
Population: 439
Bachelor's+: 2.4%
For every $1 of household income in 63472, the typical household in 63453 earns $3.30.

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Kahoka

All ZIP Codes in Clark County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
63445KahokaStandard3,831$48,370165.47.6%
63465RevereStandard633$57,36168.820.3%
63430AlexandriaStandard457$65,25055.3-7.5%
63474WyacondaStandard444$51,00064.9-9.6%
63472WaylandStandard439$22,4550.4-25.8%
63453LurayStandard388$74,02863.1-32.2%
63466Saint PatrickPO Box00.0

Adjacent & Nearby Counties