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Zip Code 66203 — Shawnee, KS

ZIP Code 66203 is associated with Shawnee, KS, in Johnson County. The listed population estimate is 19,441; estimated density is 1,198.3 people per square mile. Among records with population estimates, it ranks #13 of 32 in Johnson County and #48 of 699 in KS.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.021600, -94.705580)

Data MetricLocal Statistic
Postal / Zip Code66203
Primary CityShawnee
State / ProvinceKS
CountyJohnson
Total Population19,441
Population Density1,198.3 people/sq mi
TimezoneAmerica/Chicago

How 66203 Compares

MetricZIP 66203Johnson County recordsKS records
Population estimate19,441611,320 (sum)2,947,026 (sum)
Population Density1,198.3 /sq mi----
County population rank#13 of 32----
State population rank#48 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 66202Mission2.0 mi17,408
ZIP 66216Shawnee2.0 mi24,881
ZIP 66204Overland Park2.5 mi17,948
ZIP 66106Kansas City3.1 mi24,245
ZIP 66217Shawnee3.9 mi5,468

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 →