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Zip Code 66088 — Valley Falls, KS

ZIP Code 66088 is associated with Valley Falls, KS, in Jefferson County. The listed population estimate is 2,697; estimated density is 8.7 people per square mile. Among records with population estimates, it ranks #3 of 9 in Jefferson County and #197 of 699 in KS.
Page generated: 2026-10-08. This is not the source data release date.

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Data MetricLocal Statistic
Postal / Zip Code66088
Primary CityValley Falls
State / ProvinceKS
CountyJefferson
Total Population2,697
Population Density8.7 people/sq mi
TimezoneAmerica/Chicago

How 66088 Compares

MetricZIP 66088Jefferson County recordsKS records
Population estimate2,69718,490 (sum)2,947,026 (sum)
Population Density8.7 /sq mi----
County population rank#3 of 9----
State population rank#197 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 66419Denison7.7 mi600
ZIP 66060Nortonville8.5 mi1,325
ZIP 66070Ozawkie9.0 mi1,944
ZIP 66512Meriden10.8 mi3,678
ZIP 66097Winchester11.6 mi995

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 →