ZIP Codes of Clay County, AR

Population & People
Population & People
Total Population
14,722
Household Income
Household Income
Median Income
$56,796
Housing
Housing
Total Housing Units
7,714
Business & Economy
Business & Economy
Total Businesses
278
Employment
Employment
Employment Rate
53.58%
Education
Education
Bachelor's Degree+
15.72%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (8 Standard, 3 PO Box, 0 Unique) [See All]
Area Codes:327 / 870
Timezone:Central (GMT -06:00)
Local Time:2:11:22 PM
Population:14,722 [See All]
FIPS:05021
Land Area:655 sq mi
Water Area:2 sq mi
Coordinates:36.3845, -90.4239
Quick Link:
https://www.zip-codes.com/county/ar-clay.asp
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Arkansas's #50 most populous county
14,722 residents across 11 ZIPs — #50 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Piggott · 4,833 people
32.8% of county total
Highest Income
Knobel · $97,637 median
1.7× county average
Largest Land Area
Rector · 169.6 sq mi
Spans the most ground
Fastest Growth
Piggott · -2.2% (10-yr)
4,942 → 4,833 residents
Most Educated
Corning · 20.6% bachelor's+
659 of 3,201 adults 25+

Things worth knowing about Clay County


14,722 residents live across 11 ZIPs covering 655 sq mi, served by 11 distinct USPS-recognized cities.

Population moved from 15,802 to 14,722 from 2014 to 2024 — a -6.8% change. 5 ZIPs gained residents, 6 lost.

The county's wealthiest ZIP 72435 (Knobel, $97,637 median) and poorest ZIP 72454 (Piggott, $46,509) are 21.6 miles apart — a 2.1× income gap across local geography.

Median home values vary 1.2× across this county — from $96,500 in 72422 (Corning) to $116,500 in 72456 (Pollard).

Density varies 11× across the county — from 4 people/sq mi in 72435 (Knobel) to 44 in 72454 (Piggott).

Educational attainment ranges from 1.4% bachelor's+ in 72430 (Greenway) to 20.6% in 72422 (Corning) — the breadth of educational profiles across the area.

Within Arkansas, this is the #50 most populous of 78 counties and ranks #29 for median household income .

Weighted by population, the typical household earns about $52,896 across the county — reflecting what a typical resident sees, not a simple ZIP average.

15.7% of adults age 25+ hold a bachelor's degree or higher (1,635 of 10,402 reporting).

8 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Clay County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
655
square miles
Avg density
22.5
people per sq mi
Population
14,722
across 11 ZIPs
Rector
169.6 sq mi
3,643 residents
Corning
165.2 sq mi
4,324 residents
Piggott
110.2 sq mi
4,833 residents

Population decline

Clay County lost 6.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Corning
-12.2%
4,924 → 4,324 residents
Rector
-10.9%
4,087 → 3,643 residents

All ZIP Codes in Clay County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
72454PiggottStandard4,833$46,509110.2-2.2%
72422CorningStandard4,324$56,507165.2-12.2%
72461RectorStandard3,643$53,893169.6-10.9%
72430GreenwayStandard684$57,60425.665.6%
72456PollardStandard433$49,86150.90.2%
72470SuccessStandard278$55,69437.732.4%
72435KnobelStandard224$97,63757.8-52.4%
72453Peach OrchardStandard17537.427.7%
72424DattoPO Box67$36,6670.948.9%
72441Mc DougalPO Box510.0-41.4%
72464Saint FrancisPO Box100.0-81.5%

Adjacent & Nearby Counties