ZIP code 40031: La Grange, KY
40031 is a ZIP code in La Grange, Kentucky, mainly in Oldham County, part of the Louisville/Jefferson County, KY-IN metro area. About 26,259 people live here.
- Population
- 26,259
- Median household income
- $98,513
- Typical home value
- $390,800+1.3% in 12 months
- Median rent
- $1,092gross, per month
- Median age
- 39.4
- Homeowners
- 82%of occupied homes
Shaded: ZIP code 40031's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 40031 details
| City | La Grange |
|---|---|
| State | Kentucky |
| County | Oldham County (also partly Henry County) |
| Metro area | Louisville/Jefferson County, KY-IN |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 66.9 sq mi, plus 0.9 sq mi of water |
| Population density | 393 people per sq mi |
| Bachelor's degree or higher | 34.7% of adults 25+ |
| Average commute | 25.2 minutes |
| Center coordinates | 38.42942, -85.40081 |
Median rent in 40031 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $616/mo |
| 2 bedrooms | $995/mo |
| 3 bedrooms | $1,281/mo |
| 4 bedrooms | $974/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 40031
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 40032 | La Grange, KY | 3.7 mi | — |
| 40010 | Buckner, KY | 5.1 mi | 678 |
| 40077 | Westport, KY | 5.1 mi | 678 |
| 40055 | Pendleton, KY | 6.1 mi | 1,942 |
| 40026 | Goshen, KY | 6.3 mi | 5,975 |
| 40014 | Crestwood, KY | 6.4 mi | 23,101 |
| 40068 | Smithfield, KY | 6.8 mi | 2,570 |
| 47104 | Bethlehem, IN | 8.8 mi | 9 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 40031?
A typical home in ZIP code 40031 is worth about $390,800 (Zillow Home Value Index). The median household here earns $98,513 a year. See what buying here would cost per month, with Kentucky average taxes and insurance filled in.
Monthly payment for a $390,800 homeWhat can a $98,513 income afford?Rental property numbers
About ZIP code 40031
What city is ZIP code 40031?
ZIP code 40031 is in La Grange, KY, in Oldham County.
What county is ZIP code 40031 in?
40031 is mainly in Oldham County, Kentucky, and partly in Henry County.
What is the population of ZIP code 40031?
About 26,259 people live in ZIP code 40031, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 40031 in?
40031 is in Eastern Time (UTC−5). It observes daylight saving time.
What other ZIP codes does La Grange have?
La Grange, KY also uses 40032.