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Zip Code 66833 — Allen, KS

66833 is a ZIP Code associated with Allen, KS, located within Lyon. 66833 ranks #5 out of 8 ZIP codes in Lyon County by population (and #415 out of 704 in KS). The area supports an estimated population of 641 residents across Data Pending housing units, with a population density of 1.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.676940, -96.183740)

Data MetricLocal Statistic
Postal / Zip Code66833
Primary CityAllen
State / ProvinceKS
CountyLyon
Total Population641
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.8 people/sq mi
TimezoneAmerica/Chicago

How 66833 Compares

MetricZIP 66833Lyon CountyKS State Average
Population64132,738 (Total)2,947,026 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density1.8 /sq mi----
County Pop Rank#5 of 8----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 66830Admire7.6 mi203N/A
Zip 66835Americus10.7 mi1,202N/A
Zip 66423Eskridge12.3 mi884N/A
Zip 66431Harveyville13.3 mi718N/A
Zip 66868Reading14.2 mi620N/A

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 →