About ZIP Code 51104

ZIP code 51104 is assigned to Sioux City, Woodbury County, Iowa, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 23,197 with a density of 1,198.1 people per square mile.

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Location Details

ZIP Code51104
CitySioux City
CountyWoodbury County
StateIowa
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude42.5352
Longitude-96.4039
ZIP TypeStandard ZIP

Post Office

Address214 JACKSON ST
CitySIOUX CITY
StateIA

Nearby ZIP Codes in Iowa

Frequently Asked Questions

What city is ZIP code 51104 in?

ZIP code 51104 is in Sioux City, Woodbury County, Iowa, United States.

What county is ZIP code 51104 in?

ZIP code 51104 is in Woodbury County, Iowa.

What timezone is ZIP code 51104 in?

ZIP code 51104 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 51104?

The estimated population of ZIP code 51104 is 23,197 people with a density of 1,198.1 people per square mile.

What state is ZIP code 51104 in?

ZIP code 51104 is in Iowa (IA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.