Home > IA > Winnebago County > Forest City > Zip 50436

Zip Code 50436 — Forest City, IA

50436 is a ZIP Code associated with Forest City, IA, located within Winnebago. 50436 ranks #1 out of 7 ZIP codes in Winnebago County by population (and #131 out of 970 in IA). The area supports an estimated population of 5,771 residents across Data Pending housing units, with a population density of 16.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.262560, -93.662420)

Data MetricLocal Statistic
Postal / Zip Code50436
Primary CityForest City
State / ProvinceIA
CountyWinnebago
Total Population5,771
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density16.5 people/sq mi
TimezoneAmerica/Chicago

How 50436 Compares

MetricZIP 50436Winnebago CountyIA State Average
Population5,77111,847 (Total)3,210,984 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density16.5 /sq mi----
County Pop Rank#1 of 7----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50453Leland7.2 mi537N/A
Zip 50432Crystal Lake7.3 mi283N/A
Zip 50434Fertile10.3 mi396N/A
Zip 50438Garner10.8 mi3,995N/A
Zip 50478Thompson11.5 mi737N/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 →