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zipcodes.pro — STATE/KY/COUNTY/CLARK

Clark County, KY ZIP codes

Clark County, KY has 2 ZIP codes: 40391 and 40392.

The county seat is Winchester.

ZIP codes
2
Towns
1
County seat
Winchester
County FIPS
21049
Population
37,192
Median household income
$64,348
Land area
252 sq mi
Area code
859

Clark County ZIP codes by town

Winchester (county seat)
40391, 40392

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.

Map of Clark County ZIP codes

4039140392

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 37,192 people live in Clark County, in 15,055 households, the 27th most populous of Kentucky's 120 counties. The median household income is $64,348 a year, about the same as the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $205,800 (about the same as the Kentucky median), and median gross rent is $938 a month. The median age is 40.5; 22.9% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 24 minutes.

Population37,192Clark37,192
Households15,055Clark15,055
Median age40.5Clark40.5Kentucky39.1US 38.9
Median household income$64,348Clark$64,348Kentucky$63,726US $80,734
Median home value$205,800Clark$205,800Kentucky$205,600US $332,700
Median gross rent$938Clark$938Kentucky$967US $1,413
Bachelor's degree or higher22.9%Clark22.9%Kentucky27.6%US 35.7%
Mean commute24.2 minClark24.2 minKentucky24.0 minUS 26.4 min
Population density147 / sq miClark147 / 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.

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
40391 Winchester , KY Standard 36,796 $64,144 $204,900
40392 Winchester , KY No street area — — —

Cite this page

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

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