Plain

Residential delivery area · Iowa

ZIP Code 51111: Sioux City, IA

ZIP code 51111 is in Sioux City, Iowa, entirely in Woodbury County (Census 2020 ZIP-county file). About 40 people live there (Census Bureau, ACS 2020-2024), the least populous of Sioux City's 8 residential ZIP codes. 96 business establishments had a location in this ZIP code in 2023, 13 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).

  • ACS2020-24
  • Census2020
  • ZBP2023
5national area: Iowa, Minnesota, Montana, North Dakota, South Dakota and Wisconsin
511sectional center: Sioux Falls, SD (SCF 570)
11delivery area within it
Town
Sioux City · 8 residential ZIPs
Census places
Sioux City
Metro area
Sioux City, IA-NE-SD
House district
IA-4 119th Congress
State
Iowa
Time zone
Central
Land area
6.1 sq mi · 6 people per sq mi
PO Box ZIPs
51102 also use the name Sioux City

Where is ZIP code 51111?

51111 centers on 42.419°, -96.393° and covers 6.1 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 51054, 68776, 51106, 68731.

51054 · Sergeant Bluff51106 · Sioux City68731 · Dakota City68776 · South Sioux City51111 · Sioux City (this ZIP)511116873151054511066877651054 · Sergeant Bluff51106 · Sioux City68731 · Dakota City68776 · South Sioux City51111 · Sioux City (this ZIP)511116873151054511066877651054 · Sergeant Bluff51106 · Sioux City68731 · Dakota City68776 · South Sioux City51111 · Sioux City (this ZIP)51111510545110668776
Shaded by median household income, in national fifths (ACS 2020-2024); 51111 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 51111, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

What businesses are in 51111?

  • Wholesale trade28
  • Transportation and warehousing18
  • Manufacturing15
  • Other services (except public administration)7
  • Accommodation and food services6
  • Retail trade5

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 51111?

The ZIP codes around 51111 where people live (100 or more residents), bordering first, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
51054Sergeant Bluff5,583$120k3.9 mi
68776South Sioux City, NE15,373$69k4.0 mi
51106Sioux City28,592$78k5.1 mi
68731Dakota City, NE3,469$80k5.1 mi
51101Sioux City1,031$15k5.2 mi (near)
51105Sioux City10,415$52k6.3 mi (near)
51103Sioux City16,895$58k7.6 mi (near)
68030Homer, NE671$76k7.7 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.