Zip Code 52078 — Worthington, IA

ZIP Code 52078 is associated with Worthington, IA, in Dubuque County. The listed population estimate is 870; estimated density is 8.1 people per square mile. Among records with population estimates, it ranks #11 of 13 in Dubuque County and #509 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.395060, -91.115340)

Data MetricLocal Statistic
Postal / Zip Code52078
Primary CityWorthington
State / ProvinceIA
CountyDubuque
Total Population870
Population Density8.1 people/sq mi
TimezoneAmerica/Chicago

How 52078 Compares

MetricZIP 52078Dubuque County recordsIA records
Population estimate87091,771 (sum)3,210,984 (sum)
Population Density8.1 /sq mi----
County population rank#11 of 13----
State population rank#509 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 52046Farley6.1 mi3,129
ZIP 52237Hopkinton7.8 mi1,830
ZIP 52040Dyersville8.1 mi5,584
ZIP 52033Cascade9.9 mi3,292
ZIP 52045Epworth10.3 mi2,777

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 →