PlainZIP

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
$98,513
Median income
$341,000
Median home value
34.7%
Bachelor's or higher

The verdict

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.

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 Kentucky average), while per-capita income is $38,010. Local economic indicators show a 6.8% poverty rate alongside 3.0% unemployment. Median home value sits at $341,000 (114% above the state average), median rent at $1,092 a month, and owner-occupancy at 82.0%.

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. To put 40031 in local context, 9 ZIP codes within roughly 10 miles appear further down this page alongside 5 additional ZIPs in Oldham County, for a geography-aware comparison.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 40031?

39.4

Median Age

56.5%

Male

43.5%

Female

4.2%

Foreign-Born

White 85.0%
African American 4.7%
Asian 0.9%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.1%
Hispanic or Latino 6.8%

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

How ZIP 40031 ranks nationally

La Grange, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$98,513 Top 20% higher than 80% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 60.0%
Bachelor's Degree or Higher 34.7%

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

Owner 82.0%
Renter 18.0%

$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 40031 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 40031 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 40031 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

40014 standard
Crestwood, KY
Pop: 19,986
40026 standard
Goshen, KY
Pop: 5,458
40056 standard
Pewee Valley, KY
Pop: 3,263
40010 standard
Buckner, KY
Pop: 587
40077 standard
Westport, KY
Pop: 564

Related Areas

Oldham County La Grange, KY Kentucky

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.

Read our methodology to see how this data is sourced, computed, and verified.