40109 ZIP Code — Brooks, KY

Bullitt County, Kentucky

ZIP code 40109 is located in Brooks, Kentucky, within Bullitt County. It covers approximately 13.38 square miles and serves a population of 2,190 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40109

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $222,000. Owner-occupancy is high at 96%, well above the national average.

Median household income is $68,750. The poverty rate of 6% is below the national average. 37% 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 26 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (27%) compared to national benchmarks.

Overall, ZIP code 40109 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

2,190

population

13.38

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40109 ZIP code map

Cities in ZIP code 40109

Below are the cities the US Postal Service accepts for ZIP code 40109. Using any city not on this list may result in mail delivery delays.

City	Status
Brooks	Preferred

Nearby ZIP codes

40118 Fairdale (2.4 mi) 40272 Louisville (5.8 mi) 40229 Louisville (6.2 mi) 40219 Louisville (6.7 mi) 40166 Shepherdsville (6.9 mi) 40165 Shepherdsville (7.1 mi) 40214 Louisville (7.2 mi) 40258 Louisville (8.4 mi) 40213 Louisville (8.5 mi) 40215 Louisville (9.1 mi) 40228 Louisville (9.1 mi) 40209 Louisville (9.1 mi)

Demographics updated 06/2026

Population
Total population	2,190
Population density	164 / sq mi
State FIPS	21
County FIPS	029

Geography
Land area	13.38 sq mi
Water area	0.05 sq mi
Latitude	38.0623
Longitude	-85.7598
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	27.9%	35.5%	47.9%
$50k – $100k	50.0%	37.4%	30.3%
$100k – $200k	16.4%	23.6%	17.6%
Over $200k	5.7%	3.5%	4.2%

Demographics & statistics

2,190

Population

164

People per sq mi

47.5

Median age

$68,750

Median household income

$33,398

Per capita income

$222,000

Median home value

Median monthly rent

95.7%

Home ownership

5.9%

Poverty rate

6.2%

Unemployment

838

Housing units

15.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

123

25–34

123

130

35–44

130

177

45–54

177

55–59

136

60–64

136

126

65–74

126

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	353	16.1%
18 and over	1,837	83.9%
65 and over	356	16.3%
Median age	47.5 years

Race & ethnicity

White 96.2%

Two or more races 2.7%

Black or African American 0.7%

American Indian / Alaska Native 0.4%

Group	Count	%
White	2,107	96.2%
Two or more races	59	2.7%
Black or African American	15	0.7%
American Indian / Alaska Native	9	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.9%	35.5%	47.9%
$50k – $100k	50.0%	37.4%	30.3%
$100k – $200k	16.4%	23.6%	17.6%
Over $200k	5.7%	3.5%	4.2%

Under $10k 2.0%

$10k–$15k 5.6%

$15k–$25k 7.2%

$25k–$35k 8.8%

$35k–$50k 14.2%

$50k–$75k 21.2%

$75k–$100k 18.6%

$100k–$150k 7.9%

$150k–$200k 5.6%

$200k+ 8.8%

Range	% of households
Under $10k	2.0%
$10k–$15k	5.6%
$15k–$25k	7.2%
$25k–$35k	8.8%
$35k–$50k	14.2%
$50k–$75k	21.2%
$75k–$100k	18.6%
$100k–$150k	7.9%
$150k–$200k	5.6%
$200k+	8.8%
Median income	$68,750

Housing

Home values

Under $50k 11.1%

$50k–$100k 4.9%

$100k–$150k 4.9%

$150k–$200k 22.4%

$200k–$300k 27.9%

$300k–$500k 20.9%

$500k–$1M 4.4%

$1M+ 3.6%

Housing overview

Metric	Value
Median home value	$222,000
Median rent / month	$0
Owner occupied	95.7%
Renter occupied	4.3%
Vacant	4.8%
Single-family detached	93.5%
Large apartment buildings	0.0%
Mobile homes	5.9%
Median rooms	6.3
Avg household size (owned)	2.71

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	9.6%
1990–1999	30.2%
1980–1989	18.5%
1970–1979	14.8%
1960–1969	11.1%
1950–1959	9.0%
1940–1949	1.5%
1939 or earlier	2.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.7%
2 bedrooms	10.2%
3 bedrooms	67.6%
4 bedrooms	8.9%
5+ bedrooms	9.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.9%
1 vehicle	22.5%
2 vehicles	32.9%
3 or more	38.7%

Heating fuel

Fuel type	%
Utility gas	26.8%
Electricity	47.1%
Propane / LP gas	17.8%
Fuel oil	1.4%
Wood	6.9%

Households & families

Household type	Count	%
Married-couple family	505	60.7%
Cohabiting couple	50	6.0%
Male householder, no spouse	194	23.3%
Female householder, no spouse	83	10.0%
Households with children under 18	222	26.7%
Households with seniors (65+)	258	31.0%
Average household size	2.63

Marital status

Status	Male	Female
Never married	20.5%	18.1%
Married	60.6%	68.4%
Separated	0.0%	0.0%
Widowed	2.4%	10.7%
Divorced	16.5%	2.8%

Education

Less than 9th grade 2.4%

Some HS, no diploma 5.6%

HS graduate 53.0%

Some college, no degree 16.0%

Associate's degree 7.0%

Bachelor's degree 10.8%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	92.0%
Bachelor's or higher	15.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	1.7%
Kindergarten	0	0.0%
Elementary school	185	45.7%
High school	132	32.6%
College / grad school	81	20.0%

Employment

Industry of employment

Education & healthcare 26.5%

Construction 13.4%

Manufacturing 12.9%

Professional & management 11.9%

Public administration 9.7%

Transportation & utilities 8.8%

Retail trade 7.2%

Finance & real estate 3.3%

Other services 2.5%

Arts, food & hospitality 2.2%

Information 1.7%

Occupation

Category	%
Management, business & arts	38.1%
Service	21.4%
Sales & office	18.5%
Natural resources & construction	9.4%
Production & transportation	12.7%

Employment type

Type	%
Private sector	68.5%
Government	27.4%
Self-employed	4.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.0%
Carpool	14.3%
Public transit	1.3%
Walk	3.3%
Work from home	8.2%
Other means	0.9%
Avg commute (minutes)	26.3

Poverty

All people 5.9%

Under 18 years 4.0%

18 and over 6.3%

Married-couple families 7.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	36.8%
Retirement income	29.6%
Supplemental Security	7.6%
Cash public assistance	2.5%
Food stamps / SNAP	5.3%

Health indicators

Condition	%
Obesity	42.0%
High blood pressure	43.8%
High cholesterol	39.0%
Diabetes	13.4%
Heart disease	8.3%
Stroke	3.8%
Asthma	11.6%
Arthritis	34.4%
Kidney disease	3.3%
Pulmonary disease	12.3%
Cancer	6.9%

Behavior / access	%
Smoking	26.5%
Binge drinking	15.1%
No physical activity	34.5%
Less than 7 hrs sleep	39.1%
Depression	25.5%
Fair or poor health	22.8%
Poor mental health	18.5%
Poor physical health	15.8%
No health insurance	11.1%
Visited doctor (checkup)	76.8%
Visited dentist	51.3%
Cholesterol screening	90.4%
Teeth loss	20.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	149	8.1%

Disability	%
Any disability	14.3%
Under 18	8.8%
18–64 years	12.1%
65 and over	29.2%

Health insurance coverage

Type	%
Private insurance	74.5%
Public insurance	39.4%
No insurance	2.2%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,154	98.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,190	100.0%
Born in same state	2,167	98.9%
Born in different state	1,787	81.6%
Foreign born	23	1.1%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	492	22.5%
French	318	14.5%
Arab	180	8.2%

Ancestry	Count	%
English	57	2.6%
Polish	9	0.4%

Technology access

Metric	% of households
Computer access	38.0%
Internet access	86.9%

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

Frequently asked questions about ZIP code 40109

What city is ZIP code 40109 in?

ZIP code 40109 is primarily assigned to Brooks, Kentucky.

What county is ZIP code 40109 in?

ZIP code 40109 falls within Bullitt County, Kentucky.

Is ZIP code 40109 mostly owner-occupied?

96% of occupied units in ZIP code 40109 are owner-occupied, well above the national average.

Does ZIP code 40109 have a large retiree population?

37% of households in ZIP code 40109 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 40109?

ZIP code 40109 has an estimated population of 2,190 residents, with a density of 164 people per square mile.

What is the typical home value in ZIP code 40109?

The median home value in ZIP code 40109 is $222,000.

What timezone is ZIP code 40109 in?

ZIP code 40109 observes the EST timezone.