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Sioux City, IA 51104

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The 51104 ZIP Code is centered1 in Woodbury County at latitude 42.522 and longitude -96.384 (Panoramio Photos). It is a standard type ZIP Code. Woodbury County is in the Central Time Zone (UTC -6 hours) and observes daylight savings time.

The population in ZIP Code Tabulation Area (ZCTA) 51104 was 22,132 with 9,043 housing units; a land area land area of 7.75 sq. miles; a water area of 0 sq. miles; and a population density of 2,856.51 people per sq. mile for Census 2000. Demographic Profile

Sioux City, IA 51104 Map (Marker is ZIP Code Centroid)

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Nearby Cities, Towns & Census Designated Places

Springdale, IA (< 0.1 mile)
Sioux City, IA (1.9 miles SSW)
Leeds, IA (1.9 miles NE)
South Sioux City, NE (3.6 miles SSW)
Morningside, IA (3.9 miles SSE)
Mount Lucia, IA (4.3 miles WNW)
Riverside, IA (4.9 miles W)
James, IA (5.1 miles NE)
North Sioux City, SD (5.1 miles W)
North Shore, NE (6.4 miles SSW)

Nearby Neighborhoods, Subdivisions & Other Small Populated Places

Tallview Terrace Mobile Home Park, IA (1.4 miles E)
Holiday Village, IA (1.4 miles ESE)
Regency of Sioux City, IA (3.1 miles SSE)
Shady Elm Trailer Court, NE (3.1 miles SSW)
Evergreen Village, IA (3.4 miles NE)
Yeomans, IA (4.5 miles NNW)
Brookdale, IA (4.5 miles NW)
Lake Village Trailer Court, NE (5.6 miles SSW)
Dakota Dunes, SD (5.8 miles WSW)
Freeway Homes, NE (5.8 miles SSW)

ZIP Codes - Key Concepts

  1. ZIP Codes are categories for grouping mailing addresses and are not exact geographic regions.
  2. The centroid of a ZIP Code may be in one County and the associated city/town in another.
  3. In rural areas, a single ZIP Code may be used for cities and towns in several different Counties.
  4. ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area.
  5. ZIP Codes are only loosely tied to cities.

1 Keeping the above key concepts in mind, what we informally refer to as the "center" of a ZIP Code is most often actually the centroid of a polygon.