Junction City is a city in Boyle County, Kentucky, home to about 2,643 people across 2.0 square miles. Its ZIP code is 40440, and parts of 40422 are in Junction City too.
Homes sold for a median of $199 per square foot in the three months ending August 2026, a seller’s market.
Mostly Junction City
Mostly Danville; part is in Junction City
Each card is that ZIP code’s whole market, including any part outside Junction City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Junction City’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louisville Muhammad Ali International Airport (SDF)65 miles away |
|---|---|
| Closer regional airport | Blue Grass Airport (LEX)31 miles away |
| Nearest city of 250,000+ | Lexington-Fayette, KY35 miles away |
| Nearest city of 1 million+ | Chicago, IL330 miles away |
Straight-line distances from the center of Junction City; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Junction City had 2,268 residents in the 2020 census, up 4% since 2000.
It’s the 141st largest of 553 towns in Kentucky by population.
Boyle County grew from 13,817 residents in 1900 to 30,614 in 2020.
Boyle County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 23°F. About 47.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Danville, KY weather station (4 miles away).
13,620 jobs at 780 businesses in Boyle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Junction City.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|---|
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Boyle County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Junction City Elementary SchoolJunction City | Pre-K–5 | 457 | Public | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Danville.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.