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Zip Code 51033 — Linn Grove, IA

51033 is a ZIP Code associated with Linn Grove, IA, located within Clay. 51033 ranks #5 out of 10 ZIP codes in Clay County by population (and #718 out of 970 in IA). The area supports an estimated population of 421 residents across Data Pending housing units, with a population density of 2.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.916530, -95.253240)

Data MetricLocal Statistic
Postal / Zip Code51033
Primary CityLinn Grove
State / ProvinceIA
CountyClay
Total Population421
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.6 people/sq mi
TimezoneAmerica/Chicago

How 51033 Compares

MetricZIP 51033Clay CountyIA State Average
Population42116,420 (Total)3,210,984 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density2.6 /sq mi----
County Pop Rank#5 of 10----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51047Peterson5.4 mi693N/A
Zip 50585Sioux Rapids5.7 mi1,080N/A
Zip 50576Rembrandt8.8 mi277N/A
Zip 51343Greenville9.9 mi172N/A
Zip 51357Royal10.2 mi910N/A

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 →