La Grange, KY · standard
ZIP Code 40031
Oldham County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 22,863
- 133/sq mi High-density area
- $98,513
- Median income Above-median income area
- $341,000
- Median home value Above-median home value
- 34.7%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
La Grange pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 20%
- household income, US ZIPs
- Top 28%
- home value, US ZIPs
- 133
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40031 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 40031 (La Grange, KY) rose +8.0% from 2023 to 2024. The all-transactions index moved from 211.8 in 2023 to 228.8 in 2024 (2000 = 100).
ZIP code 40031 is a densely settled ZIP (a standard USPS delivery area) in La Grange, Oldham County, Kentucky, with 22,863 residents across 172.3 square miles, a density of 133 people per square mile, in the New York time zone.
ZIP 40031 lands in the middle-income range, with a median household income of $98,513 (65% above the average Kentucky ZIP), while per-capita income is $38,010. Both reported hardship measures are comparatively low in absolute terms: poverty is 6.8% and unemployment is 3.0%. Housing is both higher-cost and owner-heavy: median home value is $341,000 (114% above the average Kentucky ZIP), while 82.0% of occupied homes are owner-occupied and median rent is $1,092.
A solid share of residents have a four-year degree: 34.7% of adults hold a bachelor's degree or higher, the median age is 39.4, and the average commute is 25 minutes. The page also surfaces 9 ZIP codes within roughly 10 miles and 5 more in Oldham County, so 40031 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 40031
Top 5 sectors by establishment count in La Grange, KY
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$38,010
Per Capita Income
6.8%
Poverty Rate
3.0%
Unemployment Rate
25.2 min
Mean Commute Time
How ZIP 40031 ranks among Kentucky ZIPs
La Grange, KY household income vs. every Kentucky ZIP code
Median household income among 646 reporting Kentucky ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$98,513 Top 6% higher than 94% of 646 Kentucky ZIPs
Each bar is a $20K-wide band; taller bars hold more Kentucky ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
8,617housing units
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 ZIP avg
$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 40031 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40031
La Grange (40031)
22,863 residents
- 40014
Crestwood (40014)
19,986 residents
- 40026 5,458
Goshen (40026)
5,458 residents
- 40056 3,263
Pewee Valley (40056)
3,263 residents
- 40068 2,131
Smithfield (40068)
2,131 residents
- 40055 1,752
Pendleton (40055)
1,752 residents
- 47162 829
New Washington (47162)
829 residents
- 40010 587
Buckner (40010)
587 residents
- 40077 564
Westport (40077)
564 residents
What this shows Among its immediate neighbors, ZIP 40031 ranks the most populous - useful context the national average alone can't give.
ZIP 40031 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 40010
Buckner (40010)
$196,125 median income
- 40026
Goshen (40026)
$134,254 median income
- 40056
Pewee Valley (40056)
$134,115 median income
- 40014
Crestwood (40014)
$121,189 median income
- 40031
La Grange (40031)
$98,513 median income
- 40055
Pendleton (40055)
$97,939 median income
- 40068
Smithfield (40068)
$80,750 median income
- 40077 $73,333
Westport (40077)
$73,333 median income
- 47162 $59,444
New Washington (47162)
$59,444 median income
What this shows By household income, ZIP 40031 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 40031, both outside KY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (22,863 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Oldham County
Related Areas
Frequently Asked Questions
What county is ZIP code 40031 in?
ZIP code 40031 (La Grange) is located in Oldham County, Kentucky. Oldham County contains multiple ZIP codes, see the full list at /counties/oldham-ky.
What is the population of ZIP code 40031?
ZIP code 40031 in La Grange, KY has a population of 22,863 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40031?
The median household income in ZIP 40031 is $98,513, which is 29% above the national average of $76,288.
What is the average home value in ZIP 40031?
The median home value in ZIP 40031 is $341,000, which is 23% above the national average of $278,155.
What is the demographic makeup of ZIP 40031?
The largest racial group in ZIP 40031 is White at 85.0%. Hispanic or Latino residents make up 6.8% of the population.
How many businesses are in ZIP code 40031?
ZIP code 40031 has 486 business establishments employing approximately 7,139 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 40031?
The top industries by establishment count in ZIP 40031 are: Health care and social assistance (72), Construction (67), Professional, scientific, and technical services (60). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 40031?
According to the FHFA House Price Index, home values in ZIP 40031 increased by 8.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 129%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 40031?
In ZIP code 40031, 60.0% of residents aged 25+ have a high school diploma or higher, and 34.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 40031?
The mean commute time for workers in ZIP code 40031 is 25.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 40031?
In ZIP code 40031, approximately 82.0% of occupied housing units are owner-occupied and 18.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40031?
The poverty rate in ZIP code 40031 is 6.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 40031's numbers, next.
- See how ZIP 40031 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where La Grange, KY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.