Junction City ZIP Codes — Boyle County, KY

There is one unique ZIP code in Junction City, Kentucky and it is 40440. Area code: 859.

ZIP codes

13.21

sq mi land

0.05

sq mi water

859

area code

Junction City, KY ZIP code map

About Junction City, KY

Junction City is a small yet vibrant city located in Boyle County, Kentucky. Known for its charming atmosphere, Junction City offers a glimpse into the friendliness and hospitality of small-town America. With a rich history and an engaged community, it's a delightful place for both residents and visitors alike.

Location & geography

Geographically, Junction City is positioned in the central part of Kentucky, making it accessible to various parts of the state. It is approximately 5 miles from Danville, 15 miles from Harrodsburg, 25 miles from Lexington, and 63 miles from Louisville. The city covers a land area of 13.21 square miles with a small water area of 0.05 square miles, contributing to its picturesque rural terrain.

Community & economy

The character of Junction City revolves around a close-knit community that values local traditions and camaraderie. Various industries, including agriculture and small businesses, play a vital role in the local economy, providing jobs and services to residents. Daily life in Junction City is marked by a serene pace, with community events that foster a strong sense of belonging among its residents.

Transportation

Transportation options in Junction City include easy access to major highways such as U.S. Route 127, which connects travelers to nearby cities and regions. The nearest airport is the Blue Grass Airport in Lexington, located about 30 miles away, which offers commercial flights for those needing to travel further. Public transit options are limited, making personal vehicles the primary mode of transportation for residents.

History

Junction City was founded in the mid-19th century, and its location at the crossroads of transportation routes contributed to its early growth. Key industries initially included agriculture and local commerce, which have continued to shape the economic landscape of the city. Over the years, Junction City has witnessed several notable events, reinforcing its reputation as a community-focused locale.

Did you know?

One surprising fact about Junction City is its historical significance as a meeting point for local railroads in the late 1800s. This connection helped establish the city as a vital hub for trade and transportation in the region.

ZIP codes for Junction City, KY (1)

ZIP code	City	County	Map
40440	Junction City	Boyle	View map

Demographics & statistics

2,349

Population

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

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%
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	%
High blood pressure	41.0%
High cholesterol	33.9%
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	%
Binge drinking	15.3%
No physical activity	33.7%
Less than 7 hrs sleep	38.9%
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%
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

What ZIP codes does Junction City, KY have?

Junction City, KY has one ZIP code: 40440. Each ZIP code serves a distinct delivery area within the city and surrounding region.