Zip Code 40440 — Junction City, KY

ZIP Code 40440 is associated with Junction City, KY, in Boyle County. The listed population estimate is 2,428; estimated density is 71.0 people per square mile. Among records with population estimates, it ranks #2 of 4 in Boyle County and #294 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.576280, -84.832200)

Data MetricLocal Statistic
Postal / Zip Code40440
Primary CityJunction City
State / ProvinceKY
CountyBoyle
Total Population2,428
Population Density71.0 people/sq mi
TimezoneAmerica/New_York

How 40440 Compares

MetricZIP 40440Boyle County recordsKY records
Population estimate2,42831,398 (sum)4,542,460 (sum)
Population Density71.0 /sq mi----
County population rank#2 of 4----
State population rank#294 of 765----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in KY

ZIP CodeCityDistancePopulation estimate
ZIP 40464Parksville4.6 mi936
ZIP 40422Danville4.8 mi25,950
ZIP 40437Hustonville9.1 mi4,488
ZIP 40448McKinney9.2 miN/A
ZIP 40484Stanford9.5 mi12,331

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →