Jefferson County, KY ZIP codes
There are 72 ZIP codes in Jefferson County, KY, in 7 towns, from 40018 to 40299. The largest are 40299 (Louisville), 40214 (Louisville) and 40216 (Louisville).
The county seat is Louisville. Jefferson County and the city of Louisville share one consolidated government; a few towns inside the county kept governments of their own. The Louisville town page lists the ZIP codes the Postal Service addresses as Louisville, including any past the line.
- ZIP codes
- 72
- Towns
- 7
- County seat
- Louisville
- County FIPS
21111- State
- Kentucky
- Population
- 783,022
- Median household income
- $69,866
- Land area
- 381 sq mi
- Area code
- 502
- Metro area
- Louisville/Jefferson County
Jefferson County ZIP codes by town
- Louisville (county seat)
- 40201, 40202, 40203, 40204, 40205, 40206, 40207, 40208, 40209, 40210, 40211, 40212, 40213, 40214, 40215, 40216, 40217, 40218, 40219, 40220, 40221, 40222, 40223, 40224, 40225, 40228, 40229, 40231, 40232, 40233, 40241, 40242, 40243, 40245, 40250, 40251, 40252, 40253, 40255, 40256, 40257, 40258, 40259, 40261, 40266, 40268, 40269, 40270, 40272, 40280, 40281, 40282, 40283, 40285, 40287, 40289, 40290, 40291, 40292, 40293, 40294, 40295, 40296, 40297, 40298, 40299
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 Jefferson County ZIP codes
The ZIP codes of Jefferson 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.
Jefferson County in numbers
About 783,022 people live in Jefferson County, in 331,554 households, the most populous of Kentucky's 120 counties. The median household income is $69,866 a year, 10% above the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $248,400 (21% above the Kentucky median), and median gross rent is $1,149 a month. The median age is 38.4; 37.0% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 22 minutes.
| Population | 783,022 |
|---|---|
| Households | 331,554 |
| Median age | 38.4 |
| Median household income | $69,866 |
| Median home value | $248,400 |
| Median gross rent | $1,149 |
| Bachelor's degree or higher | 37.0% |
| Mean commute | 22.2 min |
| Population density | 2,056 / 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 Jefferson County
| Town | ZIP codes | Population |
|---|---|---|
| Louisville | 66 | 631,818 |
| Fairdale | 1 | 10,697 |
| Fisherville | 1 | 6,870 |
| Masonic Home | 1 | 564 |
| Glenview | 1 | 557 |
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 Jefferson County.
Not sure you are in Jefferson County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Jefferson County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
40018 | Eastwood , KY | No street area | — | — | — |
40023 | Fisherville , KY | Standard | 6,870 | $144,635 | $497,800 |
40025 | Glenview , KY | Standard | 565 | $250,000+ | $1,375,000 |
40027 | Harrods Creek , KY | No street area | — | — | — |
40041 | Masonic Home , KY | Standard | 564 | $153,214 | — |
40118 | Fairdale , KY | Standard | 10,697 | $59,316 | $156,800 |
40201 | Louisville , KY | No street area | — | — | — |
40202 | Louisville , KY | Standard | 7,261 | $35,584 | $257,300 |
40203 | Louisville , KY | Standard | 17,742 | $30,794 | $197,300 |
40204 | Louisville , KY | Standard | 14,034 | $71,116 | $329,000 |
40205 | Louisville , KY | Standard | 24,664 | $99,966 | $375,300 |
40206 | Louisville , KY | Standard | 20,161 | $75,798 | $273,900 |
40207 | Louisville , KY | Standard | 28,903 | $101,898 | $421,200 |
40208 | Louisville , KY | Standard | 15,605 | $39,560 | $188,900 |
40209 | Louisville , KY | Standard | 639 | — | $127,200 |
40210 | Louisville , KY | Standard | 13,518 | $35,347 | $98,700 |
40211 | Louisville , KY | Standard | 20,407 | $31,749 | $100,400 |
40212 | Louisville , KY | Standard | 14,661 | $35,753 | $87,600 |
40213 | Louisville , KY | Standard | 16,054 | $55,897 | $173,600 |
40214 | Louisville , KY | Standard | 45,405 | $54,931 | $184,600 |
40215 | Louisville , KY | Standard | 20,532 | $43,725 | $114,900 |
40216 | Louisville , KY | Standard | 44,047 | $56,441 | $167,100 |
40217 | Louisville , KY | Standard | 11,663 | $69,114 | $233,800 |
40218 | Louisville , KY | Standard | 33,736 | $58,811 | $205,300 |
40219 | Louisville , KY | Standard | 39,909 | $55,720 | $204,200 |
40220 | Louisville , KY | Standard | 35,078 | $78,434 | $264,200 |
40221 | Louisville , KY | Standard | 0 | — | — |
40222 | Louisville , KY | Standard | 21,470 | $82,511 | $363,000 |
40223 | Louisville , KY | Standard | 22,798 | $96,607 | $362,500 |
40224 | Louisville , KY | No street area | — | — | — |
40225 | Louisville , KY | No street area | — | — | — |
40228 | Louisville , KY | Standard | 18,085 | $79,404 | $241,300 |
40229 | Louisville , KY | Standard | 41,299 | $79,936 | $215,100 |
40231 | Louisville , KY | Standard | 0 | — | — |
40232 | Louisville , KY | No street area | — | — | — |
40233 | Louisville , KY | No street area | — | — | — |
40241 | Louisville , KY | Standard | 30,696 | $94,078 | $373,900 |
40242 | Louisville , KY | Standard | 11,168 | $75,417 | $299,600 |
40243 | Louisville , KY | Standard | 12,002 | $77,587 | $323,200 |
40245 | Louisville , KY | Standard | 39,835 | $122,948 | $445,300 |
40250 | Louisville , KY | No street area | — | — | — |
40251 | Louisville , KY | No street area | — | — | — |
40252 | Louisville , KY | No street area | — | — | — |
40253 | Louisville , KY | No street area | — | — | — |
40255 | Louisville , KY | No street area | — | — | — |
40256 | Louisville , KY | No street area | — | — | — |
40257 | Louisville , KY | No street area | — | — | — |
40258 | Louisville , KY | Standard | 26,841 | $68,162 | $183,500 |
40259 | Louisville , KY | No street area | — | — | — |
40261 | Louisville , KY | No street area | — | — | — |
40266 | Louisville , KY | No street area | — | — | — |
40268 | Louisville , KY | No street area | — | — | — |
40269 | Louisville , KY | No street area | — | — | — |
40270 | Louisville , KY | No street area | — | — | — |
40272 | Louisville , KY | Standard | 38,289 | $69,940 | $176,200 |
40280 | Louisville , KY | Standard | 182 | — | — |
40281 | Louisville , KY | No street area | — | — | — |
40282 | Louisville , KY | No street area | — | — | — |
40283 | Louisville , KY | No street area | — | — | — |
40285 | Louisville , KY | No street area | — | — | — |
40287 | Louisville , KY | No street area | — | — | — |
40289 | Louisville , KY | No street area | — | — | — |
40290 | Louisville , KY | No street area | — | — | — |
40291 | Louisville , KY | Standard | 41,222 | $81,267 | $276,900 |
40292 | Louisville , KY | No street area | — | — | — |
40293 | Louisville , KY | No street area | — | — | — |
40294 | Louisville , KY | No street area | — | — | — |
40295 | Louisville , KY | No street area | — | — | — |
40296 | Louisville , KY | No street area | — | — | — |
40297 | Louisville , KY | No street area | — | — | — |
40298 | Louisville , KY | No street area | — | — | — |
40299 | Louisville , KY | Standard | 42,207 | $89,440 | $290,200 |
Cite this page
zipcodes.pro. “Jefferson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/jefferson
Underlying data is public domain or openly licensed — sources, vintages and licences.