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zipcodes.pro — STATE/KY/COUNTY/CASEY

Casey County, KY ZIP codes

There are 7 ZIP codes in Casey County, KY, in 7 towns, from 40437 to 42566. The largest are 42539 (Liberty), 40437 (Hustonville) and 42528 (Dunnville).

The county seat is Liberty.

ZIP codes
7
Towns
7
County seat
Liberty
County FIPS
21045
Population
15,914
Median household income
$45,510
Land area
444 sq mi

Casey County ZIP codes by town

Liberty (county seat)
42539

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 Casey County ZIP codes

40437425164252842539425414256542566

The ZIP codes of Casey 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.

Casey County in numbers

About 15,914 people live in Casey County, in 6,482 households, the 71st most populous of Kentucky's 120 counties. The median household income is $45,510 a year, 29% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $136,300 (34% below the Kentucky median), and median gross rent is $670 a month. The median age is 42.0; 12.9% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 29 minutes.

Population15,914Casey15,914
Households6,482Casey6,482
Median age42.0Casey42.0Kentucky39.1US 38.9
Median household income$45,510Casey$45,510Kentucky$63,726US $80,734
Median home value$136,300Casey$136,300Kentucky$205,600US $332,700
Median gross rent$670Casey$670Kentucky$967US $1,413
Bachelor's degree or higher12.9%Casey12.9%Kentucky27.6%US 35.7%
Mean commute29.2 minCasey29.2 minKentucky24.0 minUS 26.4 min
Population density36 / sq miCasey36 / 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 Casey County

Largest towns in Casey County
TownZIP codesPopulation
Dunnville 1 2,126
Liberty 1 1,672
Windsor 1 758
Hustonville 1 612
Yosemite 1 541
Bethelridge 1 540
Middleburg 1 498

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 Casey County.

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

Every ZIP code in Casey County, with figures

ZIP codes in Casey County
ZIP City Type Population Median income Median home
40437 Hustonville , KY Standard 4,488 $53,775 $126,000
42516 Bethelridge , KY Standard 540 $43,375 $172,000
42528 Dunnville , KY Standard 2,126 $50,227 $158,800
42539 Liberty , KY Standard 9,249 $40,862 $130,500
42541 Middleburg , KY Standard 498 $43,232 $127,800
42565 Windsor , KY Standard 758 $70,692 $165,900
42566 Yosemite , KY Standard 541 $60,156 $130,600

Cite this page

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

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