Home > IA > Monona County > Blencoe > Zip 51523

Zip Code 51523 — Blencoe, IA

51523 is a ZIP Code associated with Blencoe, IA, located within Monona. The postal region supports an estimated population of 379 residents across Data Pending housing units, with a population density of 2.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.912200, -96.071720)

Data MetricLocal Statistic
Postal / Zip Code51523
Primary CityBlencoe
State / ProvinceIA
CountyMonona
Total Population379
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2.9 people/sq mi
TimezoneAmerica/Chicago

How 51523 Compares

MetricZIP 51523Monona CountyIA State Average
Population3798,7153,210,984
Median IncomeData PendingN/AN/A
Population Density2.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51545Little Sioux5.7 mi267N/A
Zip 51040Onawa8.2 mi3,500N/A
Zip 51558Moorhead10.4 mi549N/A
Zip 51564Pisgah10.9 mi520N/A
Zip 51557Mondamin13.2 mi828N/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 →