Home > KS > Marshall County > Frankfort > Zip 66427

Zip Code 66427 — Frankfort, KS

ZIP Code 66427 is associated with Frankfort, KS, in Marshall County. The listed population estimate is 1,334; estimated density is 2.4 people per square mile. Among records with population estimates, it ranks #2 of 11 in Marshall County and #297 of 699 in KS.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.662610, -96.449000)

Data MetricLocal Statistic
Postal / Zip Code66427
Primary CityFrankfort
State / ProvinceKS
CountyMarshall
Total Population1,334
Population Density2.4 people/sq mi
TimezoneAmerica/Chicago

How 66427 Compares

MetricZIP 66427Marshall County recordsKS records
Population estimate1,33410,165 (sum)2,947,026 (sum)
Population Density2.4 /sq mi----
County population rank#2 of 11----
State population rank#297 of 699----

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 KS

ZIP CodeCityDistancePopulation estimate
ZIP 66544Vermillion9.3 mi287
ZIP 66411Blue Rapids10.2 mi1,127
ZIP 66438Home12.1 mi200
ZIP 66406Beattie16.0 mi365
ZIP 66549Westmoreland16.1 mi1,526

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 →