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/KY/CLAY-CITY

Clay City ZIP code, Kentucky

The ZIP code for Clay City, KY is 40312, and its area code is 606.

USPS city name
1 ZIP code
Population
1,204
Area code
606

NANPA lists no telephone rate centre for Clay City itself, so these are the area codes of the nearest one, Stanton (7.7 miles). A town on an area-code boundary can differ from its neighbour.

Clay City in numbers

About 1,204 people live in Clay City, in 530 households. The median household income is $23,816 a year, 63% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $63,500 (69% below the Kentucky median), and median gross rent is $666 a month. The median age is 42.8; 5.0% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 22 minutes.

Population1,204Clay City1,204
Households530Clay City530
Median age42.8Clay City42.8Kentucky39.1US 38.9
Median household income$23,816Clay City$23,816Kentucky$63,726US $80,734
Median home value$63,500Clay City$63,500Kentucky$205,600US $332,700
Median gross rent$666Clay City$666Kentucky$967US $1,413
Bachelor's degree or higher5.0%Clay City5.0%Kentucky27.6%US 35.7%
Mean commute21.7 minClay City21.7 minKentucky24.0 minUS 26.4 min
Population density1,137 / sq miClay City1,137 / sq mi

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

ZIP codes addressed as Clay City

ZIP codes with the USPS city name Clay City
ZIP City Type Population Median income Median home
40312 Clay City , KY Standard 5,994 $42,564 $144,600

Map of Clay City ZIP codes

The ZIP codes of Clay City, KY, 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 Clay City

The nearest larger towns are Stanton (3,218 people, 4.1 mi), Jeffersonville (1,651 people, 8.8 mi) and Irvine (2,723 people, 12 mi).

Towns near Clay City
TownPopulationDistance
Stanton 3,218 4.1 mi
Irvine 2,723 11.5 mi
Mount Sterling 7,551 14.2 mi
Winchester 19,213 17.3 mi
Richmond 37,111 22.1 mi
Berea 15,786 27.4 mi
Paris 10,160 30.0 mi

More nearby: every ZIP code in Powell County · Kentucky ZIP codes

Cite this page

zipcodes.pro. “Clay City, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/clay-city

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