Zip Code 51004 — Anthon, IA

ZIP Code 51004 is associated with Anthon, IA, in Woodbury County. The listed population estimate is 858; estimated density is 3.9 people per square mile. Among records with population estimates, it ranks #13 of 20 in Woodbury County and #512 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.376200, -95.916000)

Data MetricLocal Statistic
Postal / Zip Code51004
Primary CityAnthon
State / ProvinceIA
CountyWoodbury
Total Population858
Population Density3.9 people/sq mi
TimezoneAmerica/Chicago

How 51004 Compares

MetricZIP 51004Woodbury County recordsIA records
Population estimate85897,439 (sum)3,210,984 (sum)
Population Density3.9 /sq mi----
County population rank#13 of 20----
State population rank#512 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 51044Oto5.2 mi165
ZIP 51016Correctionville8.7 mi1,080
ZIP 51015Climbing Hill8.8 mi45
ZIP 51039Moville9.0 mi2,845
ZIP 51056Smithland10.0 mi346

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 →