ZIP Code 40031
standardSource:
La Grange · Oldham County · Kentucky
- Population
- 22,863
- Median income
- $98,513
- Median home value
- $341,000
- Bachelor's or higher
- 34.7%
- Land area
- 172.3 sq mi
133/sq mi
▲ 29% vs US
higher than 80% of US ZIPs
▲ 23% vs US
higher than 72% of US ZIPs
Median age 39.4
New York
ZIP code 40031 in La Grange, Kentucky has a population of 22,863. The median household income is $98,513, which is 29% above the national average. Median home value is $341,000, 23% above the US average. 34.7% of residents hold a bachelor's degree or higher.
ZIP code 40031 is classified by USPS as a standard delivery area and covers roughly 172.3 square miles in La Grange, Oldham County, Kentucky. The area is home to 22,863 residents, producing a population density of 133 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 40031 against Kentucky and the nation.
On the economic side, the median household income for ZIP 40031 sits at $98,513 (65% above the Kentucky average), while per-capita income is $38,010. The poverty rate stands at 6.8% and the unemployment rate at 3.0%. On housing, the median home value is $341,000 (114% above the state average) with median rent at $1,092 per month, and 82.0% of occupied units are owner-occupied, a direct signal of whether 40031 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 34.7% of adults hold a bachelor's degree or higher, the median age is 39.4, and the average commute is 25 minutes. We also surface 9 nearby ZIP codes within roughly 10 miles and 5 additional ZIPs sharing Oldham County, so you can benchmark 40031 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 40031
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 40031.
- Health care and social assistance
Health care and social assistance
72 establishments
- Construction
Construction
67 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
60 establishments
- Accommodation and food services
Accommodation and food services
55 establishments
- Retail trade
Retail trade
52 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 40031, La Grange, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
22,863
Population
172.3
Area (sq mi)
133
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 40031?
39.4
Median Age
56.5%
Male
43.5%
Female
4.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$98,513
Median Household Income
+65% vs state
$38,010
Per Capita Income
6.8%
Poverty Rate
3.0%
Unemployment Rate
25.2 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
8,617
Total Housing Units
8,232
Occupied Units
385
Vacant Units
2.73
Avg Household Size
Occupancy Type
$341,000
Median Home Value
+114% vs state
$1,092
Median Rent
1994
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+8.0%
YoY Change (2024)
229
HPI Index (2000 = 100)
+129%
Total Change Since 2000
Home values in ZIP 40031 have increased 8.0% over the past year (2024). Since 2000, this ZIP has seen +129% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.0% | 156 |
| 2021 | +9.7% | 171 |
| 2022 | +13.0% | 194 |
| 2023 | +9.4% | 212 |
| 2024 | +8.0% | 229 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 486 business establishments in ZIP 40031, employing approximately 7,139 people with a combined annual payroll of $427,647,000.
486
Businesses
7,139
Employees
$427.6M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 72 | 14.8% |
| Construction | 67 | 13.8% |
| Professional, scientific, and technical services | 60 | 12.3% |
| Accommodation and food services | 55 | 11.3% |
| Retail trade | 52 | 10.7% |
| Other services (except public administration) | 43 | 8.8% |
| Finance and insurance | 31 | 6.4% |
| Administrative and support and waste management and remediation services | 30 | 6.2% |
| Real estate and rental and leasing | 22 | 4.5% |
| Wholesale trade | 14 | 2.9% |
| Manufacturing | 12 | 2.5% |
| Information | 9 | 1.9% |
| Arts, entertainment, and recreation | 9 | 1.9% |
| Agriculture, forestry, fishing and hunting | 3 | 0.6% |
| Educational services | 3 | 0.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 40031 vs 40010 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 40010 | Buckner, KY | 587 | 4.8 mi |
| 40077 | Westport, KY | 564 | 5.5 mi |
| 40014 | Crestwood, KY | 19,986 | 6.2 mi |
| 40026 | Goshen, KY | 5,458 | 7.4 mi |
| 47104 | Bethlehem, IN | 41 | 7.9 mi |
| 40055 | Pendleton, KY | 1,752 | 6.1 mi |
| 40068 | Smithfield, KY | 2,131 | 7.1 mi |
| 47162 | New Washington, IN | 829 | 9.7 mi |
| 40056 | Pewee Valley, KY | 3,263 | 9.8 mi |
More ZIP Codes in Oldham County
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Frequently Asked Questions
What county is ZIP code 40031 in? ▼
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How many businesses are in ZIP code 40031? ▼
What are the main industries in ZIP code 40031? ▼
How have home values changed in ZIP code 40031? ▼
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What is the average commute time in ZIP 40031? ▼
What percentage of residents own vs. rent in ZIP 40031? ▼
What is the poverty rate in ZIP code 40031? ▼
ZIP Code Research Guides
Official Data Resources for La Grange, KY
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.