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Zip Code 66842 — Cassoday, KS

ZIP Code 66842 is associated with Cassoday, KS, in Butler County. The listed population estimate is 508; estimated density is 1.6 people per square mile. Among records with population estimates, it ranks #11 of 16 in Butler County and #465 of 699 in KS.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.023600, -96.658360)

Data MetricLocal Statistic
Postal / Zip Code66842
Primary CityCassoday
State / ProvinceKS
CountyButler
Total Population508
Population Density1.6 people/sq mi
TimezoneAmerica/Chicago

How 66842 Compares

MetricZIP 66842Butler County recordsKS records
Population estimate50868,780 (sum)2,947,026 (sum)
Population Density1.6 /sq mi----
County population rank#11 of 16----
State population rank#465 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 66862Matfield Green10.7 mi68
ZIP 66840Burns12.1 mi474
ZIP 67132Rosalia12.6 mi385
ZIP 67042El Dorado14.3 mi16,978
ZIP 66843Cedar Point14.9 mi105

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 →