40010 ZIP Code — Buckner, KY

Oldham County, Kentucky

ZIP code 40010 is located in Buckner, Kentucky, within Oldham County. It covers approximately 1.53 square miles and serves a population of 521 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40010

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $448,500. Owner-occupancy is high at 84%, well above the national average.

Median household income is $137,344.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 23 minutes is near the national average.

Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 40010 reflects a community defined by a highly educated population and high homeownership.

521
population
1.53
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
40010 ZIP code map
Cities in ZIP code 40010

Below are the cities the US Postal Service accepts for ZIP code 40010. Using any city not on this list may result in mail delivery delays.

City Status
Buckner Preferred
Nearby ZIP codes
40014 Crestwood (2.3 mi) 40032 La Grange (4.6 mi) 40031 La Grange (4.9 mi) 40056 Pewee Valley (5.2 mi) 40026 Goshen (5.6 mi) 40059 Prospect (7 mi) 40245 Louisville (8 mi) 40077 Westport (8.2 mi) 40241 Louisville (8.7 mi) 40223 Louisville (9.4 mi) 47111 Charlestown (9.8 mi) 40068 Smithfield (10.1 mi)
Demographics updated 05/2026
Population
Total population 521
Population density 341 / sq mi
State FIPS 21
County FIPS 185
Geography
Land area 1.53 sq mi
Water area 0.02 sq mi
Latitude 38.3748
Longitude -85.4532
Timezone Eastern (ET)
Area code 502
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 20.8% 23.9% 47.9%
$50k – $100k 26.1% 28.8% 30.3%
$100k – $200k 23.7% 33.8% 17.6%
Over $200k 29.5% 13.5% 4.2%

Demographics & statistics

521
Population
341
People per sq mi
35.5
Median age
$137,344
Median household income
$41,264
Per capita income
$448,500
Median home value
$0
Median monthly rent
84.2%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
133
Housing units
53.1%
Bachelor's or higher

Age distribution

Male Female
15
Under 5
11
7
5–9
6
46
10–14
35
37
15–19
29
6
20–24
5
25
25–34
19
52
35–44
41
60
45–54
47
7
55–59
5
28
60–64
21
11
65–74
8
← Male
Female →

Age summary

GroupCount%
Under 1816331.3%
18 and over35868.7%
65 and over193.6%
Median age35.5 years

Race & ethnicity

White 69.9%
Two or more races 17.6%
Hispanic or Latino 9.4%
Black or African American 3.1%
GroupCount%
White40269.9%
Two or more races10117.6%
Hispanic or Latino549.4%
Black or African American183.1%

Household income

Income range This ZIP County avg State avg
Under $50k 20.8% 23.9% 47.9%
$50k – $100k 26.1% 28.8% 30.3%
$100k – $200k 23.7% 33.8% 17.6%
Over $200k 29.5% 13.5% 4.2%
$25k–$35k 13.3%
$50k–$75k 22.2%
$100k–$150k 27.8%
$150k–$200k 15.2%
$200k+ 21.5%
Range% of households
$25k–$35k13.3%
$50k–$75k22.2%
$100k–$150k27.8%
$150k–$200k15.2%
$200k+21.5%
Median income$137,344

Housing

Home values

$200k–$300k 8.3%
$300k–$500k 54.9%
$500k–$1M 36.8%

Housing overview

MetricValue
Median home value$448,500
Median rent / month$0
Owner occupied84.2%
Renter occupied15.8%
Vacant0.0%
Single-family detached84.2%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms10.0
Avg household size (owned)2.89

Year built

Era%
2020 or later15.8%
2010–201915.2%
2000–200927.2%
1990–199919.0%
1980–19897.0%
1970–19790.0%
1960–196915.8%
1950–19590.0%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms0.0%
3 bedrooms28.5%
4 bedrooms32.3%
5+ bedrooms39.2%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle22.2%
2 vehicles32.3%
3 or more45.6%

Heating fuel

Fuel type%
Utility gas49.4%
Electricity50.6%

Households & families

Household typeCount%
Married-couple family12277.2%
Cohabiting couple85.1%
Male householder, no spouse2817.7%
Female householder, no spouse00.0%
Households with children under 189258.2%
Households with seniors (65+)2113.3%
Average household size3.30

Marital status

StatusMaleFemale
Never married32.6%25.7%
Married62.4%55.7%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced5.0%18.6%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 11.7%
Some college, no degree 14.5%
Associate's degree 20.7%
Bachelor's degree 41.7%
Graduate / professional 11.4%
Metric%
HS diploma or higher100.0%
Bachelor's or higher53.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school8941.4%
High school7133.0%
College / grad school5525.6%

Employment

Industry of employment

Professional & management 21.8%
Education & healthcare 21.2%
Retail trade 20.3%
Finance & real estate 12.6%
Construction 10.6%
Arts, food & hospitality 5.6%
Manufacturing 5.3%
Transportation & utilities 2.6%

Occupation

Category%
Management, business & arts53.5%
Service14.1%
Sales & office15.0%
Natural resources & construction17.4%
Production & transportation0.0%

Employment type

Type%
Private sector85.6%
Government3.8%
Self-employed10.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.4%
Carpool0.0%
Public transit0.0%
Walk1.6%
Work from home17.0%
Other means0.0%
Avg commute (minutes)23.4

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security7.0%
Retirement income5.1%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity35.8%
High blood pressure30.5%
High cholesterol32.8%
Diabetes7.2%
Heart disease4.0%
Stroke1.7%
Asthma9.7%
Arthritis21.8%
Kidney disease1.9%
Pulmonary disease4.9%
Cancer5.2%
Behavior / access%
Smoking14.5%
Binge drinking18.9%
No physical activity18.5%
Less than 7 hrs sleep33.8%
Depression22.1%
Fair or poor health10.3%
Poor mental health14.7%
Poor physical health8.4%
No health insurance6.3%
Visited doctor (checkup)75.1%
Visited dentist71.5%
Cholesterol screening93.0%
Teeth loss8.1%

Veterans & disability

VeteransCount%
Civilian veterans123.4%
Disability%
Any disability10.0%
Under 188.6%
18–64 years8.8%
65 and over42.1%

Health insurance coverage

Type%
Private insurance82.7%
Public insurance24.8%
No insurance0.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only49595.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)521100.0%
Born in same state49795.4%
Born in different state38974.7%
Foreign born244.6%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
French10720.5%
German438.3%
AncestryCount%
Italian265%
Arab91.7%

Technology access

Metric% of households
Computer access30.3%
Internet access100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 40010

What city is ZIP code 40010 in?

ZIP code 40010 is primarily assigned to Buckner, Kentucky.

What county is ZIP code 40010 in?

ZIP code 40010 falls within Oldham County, Kentucky.

Is ZIP code 40010 family-oriented?

31% of residents in ZIP code 40010 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 40010?

53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 40010 mostly owner-occupied?

84% of occupied units in ZIP code 40010 are owner-occupied, well above the national average.

What is the median household income in ZIP code 40010?

The median household income in ZIP code 40010 is $137,344, above the national median of ~$75,000.

What timezone is ZIP code 40010 in?

ZIP code 40010 observes the EST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →