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Zip Code 50112 — Grinnell, IA

ZIP Code 50112 is associated with Grinnell, IA, in Poweshiek County. The listed population estimate is 11,862; estimated density is 25.1 people per square mile. Among records with population estimates, it ranks #1 of 8 in Poweshiek County and #71 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.731900, -92.715910)

Data MetricLocal Statistic
Postal / Zip Code50112
Primary CityGrinnell
State / ProvinceIA
CountyPoweshiek
Total Population11,862
Population Density25.1 people/sq mi
TimezoneAmerica/Chicago

How 50112 Compares

MetricZIP 50112Poweshiek County recordsIA records
Population estimate11,86219,220 (sum)3,210,984 (sum)
Population Density25.1 /sq mi----
County population rank#1 of 8----
State population rank#71 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 50157Malcom8.0 mi473
ZIP 50135Kellogg9.1 mi1,754
ZIP 50106Gilman11.4 mi1,163
ZIP 50153Lynnville11.6 mi890
ZIP 50242Searsboro11.7 mi326

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 →