ZIP code 40203
Where is ZIP code 40203?
Louisville, Kentucky
Jefferson County · Standard ZIP code
ZIP code 40203 belongs to Louisville, Kentucky in Jefferson County. 40203 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area code 502. About 17,742 people live in the 40203 area, where the median household income is $30,794. The closest ZIP codes are 40041 (Masonic Home, 0.6 mi northeast), 40259 (Louisville, 0.6 mi northeast) and 40270 (Louisville, 0.6 mi northeast).
| ZIP code | 40203 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Louisville |
| State | Kentucky (KY) |
| County | Jefferson County |
| Time zone | Eastern Time · now |
| Area code | 502 |
| Coordinates | 38.2493, -85.7694 map |
| 3-digit prefix | 402 |
Population and income in 40203
| Population | 17,742 · higher than 88% of Kentucky ZIP codes |
|---|---|
| People per square mile | 6,128 · higher than 100% of Kentucky ZIP codes |
| Median age | 32.8 years · lower than 89% of Kentucky ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $30,794 · lower than 93% of Kentucky ZIP codes |
| Income per person | $23,941 |
| Below the poverty line | 43% |
| Bachelor’s degree or higher | 23% of adults 25+ |
| Median home value | $197,300 · higher than 76% of Kentucky ZIP codes |
| Median rent | $809 a month |
| Housing units | 10,481 |
| Households | 8,911 (1.86 people on average) |
| Owners / renters | 25% / 75% |
| Land area | 2.9 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 40203. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 40203
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 40041 | Masonic Home, KY | 0.6 mi NE | Standard |
| 40259 | Louisville, KY | 0.6 mi NE | PO Box only |
| 40270 | Louisville, KY | 0.6 mi NE | PO Box only |
| 40289 | Louisville, KY | 0.6 mi NE | Unique |
| 40293 | Louisville, KY | 0.6 mi NE | Standard |
| 40294 | Louisville, KY | 0.6 mi NE | Unique |
| 40295 | Louisville, KY | 0.6 mi NE | PO Box only |
| 40296 | Louisville, KY | 0.6 mi NE | Unique |
| 40297 | Louisville, KY | 0.6 mi NE | Unique |
| 40298 | Louisville, KY | 0.6 mi NE | PO Box only |
| 40202 | Louisville, KY | 1.2 mi E | Standard |
| 40210 | Louisville, KY | 1.7 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 40203 or measure the distance to another ZIP code.
How to address mail to 40203
123 MAIN ST
LOUISVILLE KY 40203
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (40203-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Louisville, KY
- 40201
- 40202
- 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
All Louisville ZIP codes with population and income →
Questions
- What city is ZIP code 40203?
- 40203 is a Louisville, Kentucky ZIP code.
- What county is 40203 in?
- ZIP code 40203 is in Jefferson County, Kentucky.
- What time zone is ZIP code 40203 in?
- 40203 is in the Eastern Time zone (America/Kentucky/Louisville).
- What area code is 40203?
- Phone numbers in ZIP code 40203 use area code 502.
- What is the population of ZIP code 40203?
- About 17,742 people live in ZIP code 40203, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 40203?
- The median household income in 40203 is $30,794 a year, lower than 93% of Kentucky ZIP codes.
- What ZIP codes are near 40203?
- The nearest ZIP codes to 40203 are 40041 (Masonic Home, 0.6 miles), 40259 (Louisville, 0.6 miles), 40270 (Louisville, 0.6 miles) and 40289 (Louisville, 0.6 miles).