ZIP Code 40031 in La Grange, KY

Data Last Updated: October 1, 2025
City:La Grange, Kentucky
City Alias:Lagrange
Counties:Oldham County[Primary]
Henry County
Timezone:Eastern (GMT -05:00)
Local Time:11:20:10 PM
Population:25,322 [See All]
Area Code:502
Classification:Standard [Normal Street Delivery]
Coordinates:38.4284, -85.3926
Land Area:66.891 sq mi
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https://www.zip-codes.com/zip-code/40031/zip-code-40031.asp

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Population & Demographics


ZIP Code 40031 has 25,322 residents and 7,716 households (average 2.79 persons per household). The median age is 39.6 years, about the same as the state (39.4) and about the same as the nation (38.8). The gender split is 56.0% male and 44.0% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (83.6%, much higher than the national average of 61.6%) and Hispanic or Latino (6.5%); Hispanic or Latino residents make up 6.5%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:25,322Source: Census DHC
2023 ACS Population Estimate:25,697Source: Census ACS
2025 ZC Population Estimate:25,135Source: ZIP-Codes.com
Population Density:378.6 people per sq mile
Average Income:$96,682Source: Census ACS
Households:7,716Source: Census DHC
Average House Value:$316,300Source: Census ACS
Persons Per Household:2.79Source: Census DHC
Average Family Size:2.70Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--22,05022,39023,00623,35824,09524,59724,92225,06424,47723,90725,16325,09125,697
Decennial Census22,863------------------25,322------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 39.6

Male Median Age: 39.4

Female Median Age: 39.9

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male6648399638877178651,0961,2061,2061,1331,025943840638523358186101
Female624838880838498497718680791749757748728585522365163151
Total1,2881,6771,8431,7251,2151,3621,8141,8861,9971,8821,7821,6911,5681,2231,045723349252
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:21,18084.19%
Black:1,3545.38%
Hispanic:*1,6566.58%
Asian:2120.84%
American Indian:1230.49%
Hawaiian:30.01%
Other:6282.50%
Total:25,156100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:14,19056.04%39.4 years
Females:11,13243.96%39.9 years
Total:25,322100%39.6 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:24,44695.13%
Native, born in PR, Island Areas, or abroad:2601.01%
Foreign born, naturalized U.S. citizen:6152.39%
Foreign born, not a U.S. citizen:3763.86%
Total Population:25,697100%
Total Native Population:24,70696.14%
Total Foreign-born Population:9913.86%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $96,682, which is markedly greater than the state median ($62,417), is up $31,254 (47.8%) since 2011 and above its 2019 pre-pandemic level by $22,301. Family households earn a median of $112,055 versus $39,963 for nonfamily households (a difference of $72,092). By gender, male median income is $75,437 and female is $56,135, which is markedly greater than the state female median ($45,769), with a current gap of $19,302 that has narrowed from 2011 to 2023. The labor-force participation rate is 57.1%, which is tends to be lower than the national rate (63.5%). The unemployment rate is 2.7%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (44.6%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$65,428$65,613$68,181$68,280$70,752$70,184$74,480$73,775$74,381$74,973$83,248$90,652$96,682
Median Family Income$74,975$75,032$77,821$76,628$80,566$79,466$87,220$87,637$88,182$90,300$104,159$111,181$112,055
Median NonFamily Income$26,941$29,120$29,176$31,944$29,467$32,292$33,177$35,647$37,524$40,325$40,479$41,493$39,963
Median Male Income$58,485$57,977$60,253$60,000$56,958$60,096$61,126$60,978$61,336$61,419$65,801$70,702$75,437
Median Female Income$35,030$41,292$41,716$40,752$41,310$41,335$42,241$42,543$44,059$44,137$47,981$50,769$56,135
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:11,67855.56%
Unemployed:3231.54%
Not In Labor Force:9,01842.90%
Total:21,019100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:5,21044.61%
Service:1,90616.32%
Sales and Office:2,11518.11%
Natural resources, construction, and maintenance:8166.99%
Production, transportation, and material moving:1,63113.97%
Total Civilian Employed Population:11,678100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $316,300, which is markedly greater than the state median ($192,300), is up $113,400 (55.89%) since 2011 and above its 2019 pre-pandemic level by $89,200. The median gross rent is $1,120, which is far above the state median ($933), is up $476 (73.91%) since 2011 and above its 2019 pre-pandemic level by $286. Of occupied housing, owners make up 81.80% (66.11% with a mortgage, 33.89% free-and-clear) and renters 18.20% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 4.30%, which is considerably lower than the state rate (10.88%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$202,900$198,500$200,900$199,700$206,900$202,400$214,300$217,000$227,100$239,100$257,900$293,400$316,300
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:1026.88%
$500 to $999:42828.88%
$1,000 to $1,499:60941.09%
$1,500 to $1,999:1439.65%
$2,000 to $2,499:815.47%
$2,500 to $2,999:00.00%
$3,000 or more:90.61%
No Rent:1107.42%
Total:1,482100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$644$715$758$754$759$751$761$818$834$889$985$1,076$1,120
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):4,40254.07%
Owner Occupied (free and clear, no mortgage):2,25727.72%
Renter Occupied:1,48218.20%
Total Occupied Housing Units:8,141100%

Occupied Housing Units:8,14195.70%
Vacant Housing Units (not graphed):3664.30%
Total Housing Units:8,507100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:7,23485.04%
Multi-Family Units:99811.73%
Other Units:2753.23%
Total Housing Units:8,507100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 34.10% of adults (25+) have a bachelor's degree or higher, which is markedly above the state rate (27.00%). High school or higher is 89.20%, which is on par with the state rate (88.50%). The uninsured rate is 3.50%, which is far lower than the national rate (8.60%). Private coverage is 79.90%, which is notably higher than the state rate (63.30%). Public coverage is 30.20%, which is generally lower than the state rate (44.40%). The share of people in poverty is 3.90%, which is markedly below the state rate (11.80%), down 5.80 percentage points since 2011 and below its 2019 pre-pandemic level by 5.10 percentage points. This points to a pronounced improvement in local conditions - rising incomes, firmer consumer demand, and a stronger tax base. Among residents ages 3+, the largest enrollment group is elementary (39.54%). College enrollment is 22.49%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:5132.80%
9th to 12th grade, no diploma:1,4718.03%
High school graduate (includes equivalency):4,57424.96%
Some college, no degree:3,68920.13%
Associate's degree:1,8299.98%
Bachelor's degree:3,80620.77%
Graduate or professional degree:2,44113.32%
Total:18,323100%
High school or higher:16,33989.17%
Bachelor's degree or higher:6,24734.09%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:17,63070.33%
Public Insurance:6,66826.60%
No Insurance:7713.08%
Total:25,069100%
Has Health Insurance:24,29896.92%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty9.7%9.5%7.4%9.3%9.3%7.8%7.4%9.4%9.0%6.6%5.8%5.1%3.9%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:4327.41%
Kindergarten:2263.88%
Elementary school (grades 1-8):2,30539.54%
High school (grades 9-12):1,55626.69%
College or graduate school:1,31122.49%
Total:5,830100%
Early Childhood:65811.29%
K-12 (Primary & Secondary School):4,08770.10%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 40031 supports both business and residential activity. According to the Business Census (2023), there are 486 business establishments, employing about 7,139 people with an annual payroll of $427,647,000. USPS data shows 9,009 residential mailboxes and 498 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:9,009Source: USPS
# Business Mailboxes:498Source: USPS
Total Delivery Receptacles:9,731Source: USPS
Single Family Delivery Units:7,259Source: USPS
Multi Family Delivery Units:451Source: USPS
# of Businesses:486Source: CBP
1st Quarter Payroll:$99,335,000Source: CBP
Annual Payroll:$427,647,000Source: CBP
# of Employees:7,139Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 40031 is located in Oldham County, Kentucky, within the Louisville/Jefferson County, KY-IN Metropolitan Statistical Area (CBSA 31140) and Kentucky's 4th Congressional District. This Metro area has a population of 1,361,847 people, about 1.86% of whom live in ZIP Code 40031. It covers 66.891 sq mi of land and a water area of 0.874 sq mi.

CBSA Name:Louisville/Jefferson County, KY-INSource: Census
CBSA Number:31140Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:1,361,847Source: Census
MSA:Louisville, KY-IN MSASource: Census
Land Area:66.891 sq miSource: Census
Water Area:0.874 sq miSource: Census
Congressional District:04Source: USPS
Congressional Land Area:4382.19 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2143480Source: Census
Place Name:La Grange city; KentuckySource: Census

Adjacent & Nearby ZIP Codes


40032 | | 40027

Schools in ZIP Code 40031


ZIP Code 40031 is in the Oldham County School District, which serves grades Pre-Kindergarten thru 12th. There are 4 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Oldham County Preschool 4309 Brown Blvd.
Buckner, KY 40031
District: Oldham County School District
Lagrange Elementary School 500 W Jefferson Street
La Grange, KY 40031
District: Oldham County School District
Luther Luckett Education Center Box 6 Dawkins Road
La Grange, KY 40031
District: Oldham County School District
La Grange Education Center 3001 West Highway 146
La Grange, KY 40031
District: Oldham County School District
Covenant Classical Academy 331 Ash Ave
Pewee Valley, KY 40056
District: Private SchoolNearby
Jubilee Academy 103 La Grange Rd
Pewee Valley, KY 40056
District: Private SchoolNearby
The Vanguard Academy 9306 Dayflower St
Prospect, KY 40059
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 40031


Pj's College Of Cosmetology-Crestwood 6539 West Highway 22
Crestwood, KY 40014-9323
Type: Post Secondary
Galen College Of Nursing-Louisville 3050 Terra Crossing Blvd.
Louisville, KY 40245
Type: Post Secondary
Paul Mitchell The School-Louisville 156 North Hurstbourne Parkway
Louisville, KY 40222
Type: Post Secondary
Medquest College 10400 Linn Station Road, Suite 120
Louisville, KY 40223-1882
Type: Post Secondary
Ata College 10200 Linn Station Rd Ste 125
Louisville, KY 40223
Type: Post Secondary
Ideal Beauty Academy 10213 Linn Station Rd
Louisville, KY 40223
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov