Grayson County, KY ZIP codes
Grayson County, KY has 5 ZIP codes, in 4 towns: 42754, 42726, 42721, 42762 and 42755. 2 more cross into it from neighbouring counties: 40119 and 42712.
The county seat is Leitchfield.
- ZIP codes
- 5
- Partly in it
- 2 more
- Towns
- 4
- County seat
- Leitchfield
- County FIPS
21085- State
- Kentucky
- Population
- 26,707
- Median household income
- $50,757
- Land area
- 500 sq mi
Grayson County ZIP codes by town
- Leitchfield (county seat)
- 42754, 42755
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.
ZIP codes partly in Grayson County
These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Grayson County.
- 40119 Falls Of Rough · mostly in Breckinridge County
- 42712 Big Clifty · mostly in Hardin County
Map of Grayson County ZIP codes
The ZIP codes of Grayson 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.
Grayson County in numbers
About 26,707 people live in Grayson County, in 10,129 households, the 41st most populous of Kentucky's 120 counties. The median household income is $50,757 a year, 20% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $164,600 (20% below the Kentucky median), and median gross rent is $658 a month. The median age is 40.5; 16.1% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 28 minutes.
| Population | 26,707 |
|---|---|
| Households | 10,129 |
| Median age | 40.5 |
| Median household income | $50,757 |
| Median home value | $164,600 |
| Median gross rent | $658 |
| Bachelor's degree or higher | 16.1% |
| Mean commute | 27.9 min |
| Population density | 53 / 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 Grayson County
| Town | ZIP codes | Population |
|---|---|---|
| Leitchfield | 2 | 6,819 |
| Clarkson | 1 | 865 |
| Caneyville | 1 | 474 |
| Millwood | 1 | 229 |
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 Grayson County.
Not sure you are in Grayson County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Grayson County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
42721 | Caneyville , KY | Standard | 4,353 | $49,583 | $130,700 |
42726 | Clarkson , KY | Standard | 4,758 | $60,078 | $204,200 |
42754 | Leitchfield , KY | Standard | 16,918 | $48,737 | $171,800 |
42755 | Leitchfield , KY | No street area | — | — | — |
42762 | Millwood , KY | Standard | 229 | — | $113,000 |
Cite this page
zipcodes.pro. “Grayson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/grayson
Underlying data is public domain or openly licensed — sources, vintages and licences.