ZIP code 40031
Where is ZIP code 40031?
La Grange, Kentucky
Oldham County · Standard ZIP code
ZIP code 40031 belongs to La Grange, Kentucky in Oldham County. 40031 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 26,259 people live in the 40031 area, where the median household income is $98,513. The closest ZIP codes are 40032 (La Grange, 3.7 mi west), 40010 (Buckner, 3.7 mi southwest) and 40014 (Crestwood, 6.1 mi southwest).
| ZIP code | 40031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | La Grange |
| Also accepted | Lagrange |
| State | Kentucky (KY) |
| County | Oldham County |
| Time zone | Eastern Time · now |
| Area code | 502 |
| Coordinates | 38.4029, -85.3928 map |
| 3-digit prefix | 400 |
Population and income in 40031
| Population | 26,259 · higher than 94% of Kentucky ZIP codes |
|---|---|
| People per square mile | 393 · higher than 86% of Kentucky ZIP codes |
| Median age | 39.4 years · lower than 67% of Kentucky ZIP codes |
| Men / women | 57% / 44% |
| Median household income | $98,513 · higher than 95% of Kentucky ZIP codes |
| Income per person | $38,010 |
| Below the poverty line | 6.8% |
| Bachelor’s degree or higher | 35% of adults 25+ |
| Median home value | $341,000 · higher than 96% of Kentucky ZIP codes |
| Median rent | $1,092 a month |
| Housing units | 8,617 |
| Households | 8,232 (2.73 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 66.89 sq mi (plus 0.87 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 40031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 40031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 40032 | La Grange, KY | 3.7 mi W | Unique |
| 40010 | Buckner, KY | 3.7 mi SW | Standard |
| 40014 | Crestwood, KY | 6.1 mi SW | Standard |
| 40055 | Pendleton, KY | 6.8 mi NE | Standard |
| 40068 | Smithfield, KY | 6.9 mi E | Standard |
| 40077 | Westport, KY | 7 mi NW | Standard |
| 40056 | Pewee Valley, KY | 8.4 mi SW | Standard |
| 47104 | Bethlehem, IN | 9.6 mi N | Standard |
| 40026 | Goshen, KY | 9.7 mi W | Standard |
| 40070 | Sulphur, KY | 9.8 mi NE | Standard |
| 40245 | Louisville, KY | 10.5 mi SW | Standard |
| 47162 | New Washington, IN | 11.3 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 40031 or measure the distance to another ZIP code.
How to address mail to 40031
123 MAIN ST
LA GRANGE KY 40031
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LAGRANGE as the city name for 40031. Adding the 4-digit ZIP+4 code (40031-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in La Grange, KY
All La Grange ZIP codes with population and income →
Questions
- What city is ZIP code 40031?
- 40031 is a La Grange, Kentucky ZIP code. Lagrange is also accepted as the city name.
- What county is 40031 in?
- ZIP code 40031 is in Oldham County, Kentucky.
- What time zone is ZIP code 40031 in?
- 40031 is in the Eastern Time zone (America/New_York).
- What area code is 40031?
- Phone numbers in ZIP code 40031 use area code 502.
- What is the population of ZIP code 40031?
- About 26,259 people live in ZIP code 40031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 40031?
- The median household income in 40031 is $98,513 a year, higher than 95% of Kentucky ZIP codes.
- What ZIP codes are near 40031?
- The nearest ZIP codes to 40031 are 40032 (La Grange, 3.7 miles), 40010 (Buckner, 3.7 miles), 40014 (Crestwood, 6.1 miles) and 40055 (Pendleton, 6.8 miles).