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Zip Code 51357 — Royal, IA

ZIP Code 51357 is associated with Royal, IA, in Clay County. The listed population estimate is 910; estimated density is 9.4 people per square mile. Among records with population estimates, it ranks #2 of 10 in Clay County and #497 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.062150, -95.287620)

Data MetricLocal Statistic
Postal / Zip Code51357
Primary CityRoyal
State / ProvinceIA
CountyClay
Total Population910
Population Density9.4 people/sq mi
TimezoneAmerica/Chicago

How 51357 Compares

MetricZIP 51357Clay County recordsIA records
Population estimate91016,420 (sum)3,210,984 (sum)
Population Density9.4 /sq mi----
County population rank#2 of 10----
State population rank#497 of 969----

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 IA

ZIP CodeCityDistancePopulation estimate
ZIP 51343Greenville9.3 mi172
ZIP 51301Spencer9.4 mi12,638
ZIP 51047Peterson9.5 mi693
ZIP 51338Everly10.1 mi852
ZIP 51033Linn Grove10.2 mi421

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 →