40059 ZIP Code — Prospect, KY

Jefferson County, Kentucky

ZIP code 40059 is located in Prospect, Kentucky, within Jefferson County. It covers approximately 28.17 square miles and serves a population of 20,769 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40059

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 $511,400. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($167,193) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is high — 72% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 40059 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

20,769

population

28.17

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40059 ZIP code map

Cities in ZIP code 40059

Below are the cities the US Postal Service accepts for ZIP code 40059. Using any city not on this list may result in mail delivery delays.

City	Status
Prospect	Acceptable
Prospect	Preferred

Nearby ZIP codes

40026 Goshen (4.7 mi) 40241 Louisville (5.2 mi) 47111 Charlestown (5.4 mi) 47130 Jeffersonville (6.7 mi) 40242 Louisville (6.9 mi) 40010 Buckner (7 mi) 40056 Pewee Valley (7.1 mi) 40222 Louisville (7.3 mi) 40223 Louisville (8.4 mi) 40014 Crestwood (8.6 mi) 40207 Louisville (9 mi) 40243 Louisville (9.9 mi)

Demographics updated 06/2026

Population
Total population	20,769
Population density	737 / sq mi
State FIPS	21
County FIPS	111

Geography
Land area	28.17 sq mi
Water area	0.61 sq mi
Latitude	38.3780
Longitude	-85.5831
Timezone	Eastern (ET)
Area code	502

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.6%	42.4%	47.9%
$50k – $100k	22.2%	31.3%	30.3%
$100k – $200k	29.5%	20.3%	17.6%
Over $200k	35.7%	6.0%	4.2%

Demographics & statistics

20,769

Population

737

People per sq mi

47.1

Median age

$167,193

Median household income

$92,929

Per capita income

$511,400

Median home value

$1,857

Median monthly rent

89.7%

Home ownership

2.1%

Poverty rate

4.9%

Unemployment

7,727

Housing units

71.9%

Bachelor's or higher

Age distribution

Male Female

477

Under 5

492

498

5–9

513

772

10–14

796

846

15–19

874

356

20–24

368

535

25–34

553

1,221

35–44

1,260

1,769

45–54

1,826

817

55–59

844

713

60–64

736

1,228

65–74

1,267

844

75–84

870

145

85+

149

← Male

Female →

Age summary

Group	Count	%
Under 18	4,859	23.4%
18 and over	15,910	76.6%
65 and over	4,503	21.7%
Median age	47.1 years

Race & ethnicity

White 86.7%

Asian 5.8%

Black or African American 3%

Two or more races 2.4%

Hispanic or Latino 1.8%

Other race 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	18,331	86.7%
Asian	1,217	5.8%
Black or African American	628	3%
Two or more races	505	2.4%
Hispanic or Latino	382	1.8%
Other race	76	0.4%
American Indian / Alaska Native	12	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.6%	42.4%	47.9%
$50k – $100k	22.2%	31.3%	30.3%
$100k – $200k	29.5%	20.3%	17.6%
Over $200k	35.7%	6.0%	4.2%

Under $10k 0.6%

$10k–$15k 1.4%

$15k–$25k 2.0%

$25k–$35k 3.5%

$35k–$50k 5.0%

$50k–$75k 10.2%

$75k–$100k 10.3%

$100k–$150k 11.7%

$150k–$200k 15.6%

$200k+ 39.7%

Range	% of households
Under $10k	0.6%
$10k–$15k	1.4%
$15k–$25k	2.0%
$25k–$35k	3.5%
$35k–$50k	5.0%
$50k–$75k	10.2%
$75k–$100k	10.3%
$100k–$150k	11.7%
$150k–$200k	15.6%
$200k+	39.7%
Median income	$167,193

Housing

Home values

Under $50k 0.9%

$50k–$100k 1.0%

$100k–$150k 4.0%

$150k–$200k 3.2%

$200k–$300k 6.4%

$300k–$500k 33.2%

$500k–$1M 43.6%

$1M+ 7.7%

Housing overview

Metric	Value
Median home value	$511,400
Median rent / month	$1,857
Owner occupied	89.7%
Renter occupied	10.3%
Vacant	5.6%
Single-family detached	82.0%
Large apartment buildings	3.7%
Mobile homes	0.1%
Median rooms	8.5
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.0%
2010–2019	17.3%
2000–2009	25.2%
1990–1999	22.0%
1980–1989	11.6%
1970–1979	12.5%
1960–1969	4.7%
1950–1959	3.2%
1940–1949	0.9%
1939 or earlier	2.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	2.7%
2 bedrooms	14.2%
3 bedrooms	25.8%
4 bedrooms	32.5%
5+ bedrooms	24.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	21.8%
2 vehicles	51.4%
3 or more	24.8%

Heating fuel

Fuel type	%
Utility gas	68.6%
Electricity	27.9%
Propane / LP gas	2.0%
Wood	0.6%
Solar	0.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	5,705	70.6%
Cohabiting couple	199	2.5%
Male householder, no spouse	683	8.5%
Female householder, no spouse	1,495	18.5%
Households with children under 18	2,825	35.0%
Households with seniors (65+)	2,877	35.6%
Average household size	2.56

Marital status

Status	Male	Female
Never married	21.6%	17.2%
Married	70.1%	64.7%
Separated	0.2%	1.2%
Widowed	1.0%	8.1%
Divorced	7.1%	8.9%

Education

Less than 9th grade 0.9%

Some HS, no diploma 1.0%

HS graduate 7.8%

Some college, no degree 13.7%

Associate's degree 4.8%

Bachelor's degree 38.4%

Graduate / professional 33.5%

Metric	%
HS diploma or higher	98.1%
Bachelor's or higher	71.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	357	6.9%
Kindergarten	123	2.4%
Elementary school	2,135	41.3%
High school	1,679	32.5%
College / grad school	874	16.9%

Employment

Industry of employment

Education & healthcare 24.6%

Professional & management 16.2%

Finance & real estate 16.0%

Manufacturing 9.8%

Retail trade 9.2%

Arts, food & hospitality 7.5%

Transportation & utilities 4.7%

Other services 3.8%

Wholesale trade 2.5%

Construction 2.0%

Public administration 1.7%

Information 1.5%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	62.0%
Service	8.0%
Sales & office	22.4%
Natural resources & construction	2.1%
Production & transportation	5.5%

Employment type

Type	%
Private sector	83.3%
Government	9.1%
Self-employed	7.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	74.8%
Carpool	6.0%
Public transit	0.0%
Walk	0.9%
Work from home	17.9%
Other means	0.5%
Avg commute (minutes)	27.8

Poverty

All people 2.1%

Under 18 years 2.4%

18 and over 2.0%

Married-couple families 0.6%

Female-led households 21.0%

Income support

Source	% of households
Social Security	33.5%
Retirement income	32.5%
Supplemental Security	2.8%
Cash public assistance	0.3%
Food stamps / SNAP	1.1%

Health indicators

Condition	%
Obesity	31.5%
High blood pressure	35.3%
High cholesterol	37.3%
Diabetes	8.7%
Heart disease	5.2%
Stroke	2.1%
Asthma	9.2%
Arthritis	25.3%
Kidney disease	2.3%
Pulmonary disease	5.3%
Cancer	7.0%

Behavior / access	%
Smoking	11.1%
Binge drinking	15.9%
No physical activity	17.8%
Less than 7 hrs sleep	30.6%
Depression	20.9%
Fair or poor health	10.1%
Poor mental health	12.8%
Poor physical health	8.5%
No health insurance	5.4%
Visited doctor (checkup)	77.7%
Visited dentist	75.6%
Cholesterol screening	94.8%
Teeth loss	6.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,033	6.5%

Disability	%
Any disability	9.1%
Under 18	5.5%
18–64 years	5.6%
65 and over	21.9%

Health insurance coverage

Type	%
Private insurance	87.9%
Public insurance	28.3%
No insurance	1.7%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,800	95.3%
Spanish	260	1.3%
Other Indo-European	8	0.0%
Asian & Pacific Islander	79	0.4%
Other languages	173	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,923	91.1%
Born in same state	18,764	90.3%
Born in different state	10,317	49.7%
Foreign born	159	0.8%
Naturalized citizen	1,846	8.9%
Not a US citizen	1,480	80.2%

Ancestry

Ancestry	Count	%
French	3,887	18.7%
Italian	3,194	15.4%
Arab	1,823	8.8%
English	175	0.8%
Norwegian	120	0.6%

Ancestry	Count	%
Dutch	112	0.5%
Polish	91	0.4%
Irish	37	0.2%
German	32	0.2%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	98.9%

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

Frequently asked questions about ZIP code 40059

What city is ZIP code 40059 in?

ZIP code 40059 is primarily assigned to Prospect, Kentucky.

What county is ZIP code 40059 in?

ZIP code 40059 falls within Jefferson County, Kentucky.

How educated is the population of ZIP code 40059?

72% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 40059 mostly owner-occupied?

90% of occupied units in ZIP code 40059 are owner-occupied, well above the national average.

What is the median household income in ZIP code 40059?

The median household income in ZIP code 40059 is $167,193, above the national median of ~$75,000.

What is the typical home value in ZIP code 40059?

The median home value in ZIP code 40059 is $511,400.

What timezone is ZIP code 40059 in?

ZIP code 40059 observes the EST timezone.