Zip Code 50518 — Barnum, IA

ZIP Code 50518 is associated with Barnum, IA, in Webster County. The listed population estimate is 365; estimated density is 4.9 people per square mile. Among records with population estimates, it ranks #11 of 14 in Webster County and #759 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.512120, -94.382410)

Data MetricLocal Statistic
Postal / Zip Code50518
Primary CityBarnum
State / ProvinceIA
CountyWebster
Total Population365
Population Density4.9 people/sq mi
TimezoneAmerica/Chicago

How 50518 Compares

MetricZIP 50518Webster County recordsIA records
Population estimate36536,787 (sum)3,210,984 (sum)
Population Density4.9 /sq mi----
County population rank#11 of 14----
State population rank#759 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 50552Knierim5.5 mi76
ZIP 50566Moorland5.7 mi325
ZIP 50524Clare6.2 mi439
ZIP 50563Manson7.4 mi2,505
ZIP 50586Somers7.8 mi272

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 →