Zip Code 51351 — Milford, IA

ZIP Code 51351 is associated with Milford, IA, in Dickinson County. The listed population estimate is 4,988; estimated density is 17.8 people per square mile. Among records with population estimates, it ranks #2 of 7 in Dickinson County and #147 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.316560, -95.186260)

Data MetricLocal Statistic
Postal / Zip Code51351
Primary CityMilford
State / ProvinceIA
CountyDickinson
Total Population4,988
Population Density17.8 people/sq mi
TimezoneAmerica/Chicago

How 51351 Compares

MetricZIP 51351Dickinson County recordsIA records
Population estimate4,98818,008 (sum)3,210,984 (sum)
Population Density17.8 /sq mi----
County population rank#2 of 7----
State population rank#147 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 51331Arnolds Park4.3 mi935
ZIP 51340Fostoria5.5 mi75
ZIP 51355Okoboji5.6 mi1,048
ZIP 51360Spirit Lake9.7 mi8,653
ZIP 51347Lake Park9.9 mi1,470

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 →