Zip Code 50657 — Morrison, IA

ZIP Code 50657 is associated with Morrison, IA, in Grundy County. The listed population estimate is 96; estimated density is 244.9 people per square mile. Among records with population estimates, it ranks #9 of 9 in Grundy County and #916 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.344540, -92.673990)

Data MetricLocal Statistic
Postal / Zip Code50657
Primary CityMorrison
State / ProvinceIA
CountyGrundy
Total Population96
Population Density244.9 people/sq mi
TimezoneAmerica/Chicago

How 50657 Compares

MetricZIP 50657Grundy County recordsIA records
Population estimate9611,663 (sum)3,210,984 (sum)
Population Density244.9 /sq mi----
County population rank#9 of 9----
State population rank#916 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 50669Reinbeck3.2 mi2,439
ZIP 50652Lincoln5.6 mi113
ZIP 50638Grundy Center6.2 mi3,441
ZIP 50624Dike8.6 mi1,855
ZIP 50642Holland9.7 mi577

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 →