40440 ZIP Code — Junction City, KY

Boyle County, Kentucky

ZIP code 40440 is located in Junction City, Kentucky, within Boyle County. It covers approximately 13.21 square miles and serves a population of 2,349 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 859.

About ZIP code 40440

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $123,300. Owner-occupancy is high at 87%, well above the national average.

Median household income is $46,964. Poverty affects 23% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 28%.

Overall, ZIP code 40440 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

2,349

population

13.21

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40440 ZIP code map

Cities in ZIP code 40440

Below are the cities the US Postal Service accepts for ZIP code 40440. Using any city not on this list may result in mail delivery delays.

City	Status
Junction City	Preferred

Nearby ZIP codes

40422 Danville (4.4 mi) 40464 Parksville (6.1 mi) 40484 Stanford (8.3 mi) 40468 Perryville (9 mi) 40437 Hustonville (9.2 mi) 40328 Gravel Switch (9.6 mi) 42541 Middleburg (13.5 mi) 40009 Bradfordsville (15.6 mi) 40444 Lancaster (15.7 mi) 40330 Harrodsburg (15.7 mi) 40442 Kings Mountain (16.4 mi) 40040 Mackville (17.1 mi)

Demographics updated 05/2026

Population
Total population	2,349
Population density	178 / sq mi
State FIPS	21
County FIPS	021

Geography
Land area	13.21 sq mi
Water area	0.05 sq mi
Latitude	37.5768
Longitude	-84.8414
Timezone	Eastern (ET)
Area code	859

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.7%	48.8%	47.9%
$50k – $100k	33.6%	28.9%	30.3%
$100k – $200k	16.0%	19.0%	17.6%
Over $200k	0.7%	3.3%	4.2%

Demographics & statistics

2,349

Population

178

People per sq mi

44.1

Median age

$46,964

Median household income

$27,097

Per capita income

$123,300

Median home value

$705

Median monthly rent

86.7%

Home ownership

22.5%

Poverty rate

7.7%

Unemployment

1,042

Housing units

17.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

122

25–34

134

170

35–44

187

223

45–54

245

55–59

103

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	489	20.8%
18 and over	1,860	79.2%
65 and over	324	13.8%
Median age	44.1 years

Race & ethnicity

White 87.4%

Two or more races 8.2%

Hispanic or Latino 3.7%

Black or African American 0.4%

Other race 0.3%

Group	Count	%
White	2,132	87.4%
Two or more races	201	8.2%
Hispanic or Latino	89	3.7%
Black or African American	9	0.4%
Other race	7	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.7%	48.8%	47.9%
$50k – $100k	33.6%	28.9%	30.3%
$100k – $200k	16.0%	19.0%	17.6%
Over $200k	0.7%	3.3%	4.2%

Under $10k 14.3%

$10k–$15k 8.9%

$15k–$25k 12.5%

$25k–$35k 4.5%

$35k–$50k 12.0%

$50k–$75k 18.1%

$75k–$100k 11.5%

$100k–$150k 12.7%

$150k–$200k 5.0%

$200k+ 0.5%

Range	% of households
Under $10k	14.3%
$10k–$15k	8.9%
$15k–$25k	12.5%
$25k–$35k	4.5%
$35k–$50k	12.0%
$50k–$75k	18.1%
$75k–$100k	11.5%
$100k–$150k	12.7%
$150k–$200k	5.0%
$200k+	0.5%
Median income	$46,964

Housing

Home values

Under $50k 10.4%

$50k–$100k 14.7%

$100k–$150k 38.0%

$150k–$200k 11.4%

$200k–$300k 15.9%

$300k–$500k 6.5%

$500k–$1M 3.0%

Housing overview

Metric	Value
Median home value	$123,300
Median rent / month	$705
Owner occupied	86.7%
Renter occupied	13.3%
Vacant	11.8%
Single-family detached	88.6%
Large apartment buildings	0.0%
Mobile homes	5.5%
Median rooms	5.6
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.0%
2010–2019	10.5%
2000–2009	11.4%
1990–1999	20.8%
1980–1989	3.1%
1970–1979	21.3%
1960–1969	5.1%
1950–1959	11.2%
1940–1949	4.1%
1939 or earlier	12.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.9%
2 bedrooms	22.5%
3 bedrooms	59.4%
4 bedrooms	11.8%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	12.7%
1 vehicle	21.5%
2 vehicles	39.5%
3 or more	26.3%

Heating fuel

Fuel type	%
Utility gas	26.9%
Electricity	63.1%
Propane / LP gas	3.1%
Wood	6.9%

Households & families

Household type	Count	%
Married-couple family	545	52.4%
Cohabiting couple	29	2.8%
Male householder, no spouse	131	12.6%
Female householder, no spouse	336	32.3%
Households with children under 18	414	39.8%
Households with seniors (65+)	309	29.7%
Average household size	2.24

Marital status

Status	Male	Female
Never married	20.9%	19.7%
Married	61.0%	50.6%
Separated	0.5%	0.0%
Widowed	2.2%	17.0%
Divorced	15.4%	12.7%

Education

Less than 9th grade 3.5%

Some HS, no diploma 3.1%

HS graduate 50.2%

Some college, no degree 17.5%

Associate's degree 8.0%

Bachelor's degree 13.5%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	17.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	5.7%
Kindergarten	18	3.8%
Elementary school	182	38.5%
High school	199	42.1%
College / grad school	47	9.9%

Employment

Industry of employment

Manufacturing 25.8%

Education & healthcare 18.0%

Construction 14.5%

Other services 8.2%

Transportation & utilities 7.1%

Wholesale trade 5.4%

Retail trade 5.1%

Public administration 4.2%

Agriculture & mining 4.0%

Finance & real estate 2.7%

Arts, food & hospitality 2.7%

Professional & management 2.3%

Occupation

Category	%
Management, business & arts	28.1%
Service	14.5%
Sales & office	16.9%
Natural resources & construction	17.0%
Production & transportation	23.6%

Employment type

Type	%
Private sector	77.9%
Government	7.7%
Self-employed	14.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.6%
Carpool	6.1%
Public transit	0.0%
Walk	2.8%
Work from home	6.8%
Other means	0.7%
Avg commute (minutes)	33.6

Poverty

All people 22.5%

Under 18 years 29.4%

18 and over 20.7%

Married-couple families 10.8%

Female-led households 33.3%

Income support

Source	% of households
Social Security	31.6%
Retirement income	20.8%
Supplemental Security	4.5%
Cash public assistance	3.1%
Food stamps / SNAP	20.3%

Health indicators

Condition	%
Obesity	39.5%
High blood pressure	41.0%
High cholesterol	33.9%
Diabetes	11.8%
Heart disease	7.6%
Stroke	3.5%
Asthma	11.7%
Arthritis	31.5%
Kidney disease	3.1%
Pulmonary disease	11.0%
Cancer	6.5%

Behavior / access	%
Smoking	25.9%
Binge drinking	15.3%
No physical activity	33.7%
Less than 7 hrs sleep	38.9%
Depression	26.8%
Fair or poor health	21.2%
Poor mental health	19.1%
Poor physical health	14.8%
No health insurance	11.0%
Visited doctor (checkup)	75.3%
Visited dentist	52.3%
Cholesterol screening	89.1%
Teeth loss	20.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	31	1.7%

Disability	%
Any disability	28.2%
Under 18	5.9%
18–64 years	29.2%
65 and over	57.1%

Health insurance coverage

Type	%
Private insurance	55.7%
Public insurance	48.6%
No insurance	9.5%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,269	96.6%
Spanish	26	1.1%
Other Indo-European	26	1.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,256	96.0%
Born in same state	2,245	95.6%
Born in different state	1,839	78.3%
Foreign born	11	0.5%
Naturalized citizen	93	4.0%
Not a US citizen	86	92.5%

Ancestry

Ancestry	Count	%
Arab	624	26.6%
French	340	14.5%
Italian	291	12.4%
English	62	2.6%

Ancestry	Count	%
Polish	8	0.3%
German	6	0.3%
Irish	6	0.3%

Technology access

Metric	% of households
Computer access	44.3%
Internet access	84.2%

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

Frequently asked questions about ZIP code 40440

What city is ZIP code 40440 in?

ZIP code 40440 is primarily assigned to Junction City, Kentucky.

What county is ZIP code 40440 in?

ZIP code 40440 falls within Boyle County, Kentucky.

What is the poverty rate in ZIP code 40440?

23% of residents in ZIP code 40440 live below the poverty line, above the national average.

Is ZIP code 40440 mostly owner-occupied?

87% of occupied units in ZIP code 40440 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 40440?

The median home value in ZIP code 40440 is $123,300.

What is the median household income in ZIP code 40440?

The median household income in ZIP code 40440 is $46,964, below the national median of ~$75,000.

What timezone is ZIP code 40440 in?

ZIP code 40440 observes the EST timezone.