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Zip Code 42445 — Princeton, KY

ZIP Code 42445 is associated with Princeton, KY, in Caldwell County. The listed population estimate is 10,533; estimated density is 15.6 people per square mile. Among records with population estimates, it ranks #1 of 2 in Caldwell County and #132 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.128610, -87.860520)

Data MetricLocal Statistic
Postal / Zip Code42445
Primary CityPrinceton
State / ProvinceKY
CountyCaldwell
Total Population10,533
Population Density15.6 people/sq mi
TimezoneAmerica/Chicago

How 42445 Compares

MetricZIP 42445Caldwell County recordsKY records
Population estimate10,53312,535 (sum)4,542,460 (sum)
Population Density15.6 /sq mi----
County population rank#1 of 2----
State population rank#132 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 42408Dawson Springs9.9 mi5,888
ZIP 42411Fredonia10.6 mi2,002
ZIP 42038Eddyville10.8 mi6,282
ZIP 42215Cerulean14.1 mi1,319
ZIP 42453Saint Charles15.4 mi452

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 →