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Zip Code 42171 — Smiths Grove, KY

ZIP Code 42171 is associated with Smiths Grove, KY, in Warren County. The listed population estimate is 6,723; estimated density is 25.1 people per square mile. Among records with population estimates, it ranks #4 of 8 in Warren County and #171 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.036090, -86.167280)

Data MetricLocal Statistic
Postal / Zip Code42171
Primary CitySmiths Grove
State / ProvinceKY
CountyWarren
Total Population6,723
Population Density25.1 people/sq mi
TimezoneAmerica/Chicago

How 42171 Compares

MetricZIP 42171Warren County recordsKY records
Population estimate6,723147,438 (sum)4,542,460 (sum)
Population Density25.1 /sq mi----
County population rank#4 of 8----
State population rank#171 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 42163Rocky Hill3.5 mi48
ZIP 42159Oakland5.2 mi1,699
ZIP 42160Park City6.7 mi2,822
ZIP 42103Bowling Green11.0 mi21,911
ZIP 42259Mammoth Cave13.8 mi1,090

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 →