Sioux City, IA ZIP codes

9 ZIP/ZCTAs intersecting this Census place in Woodbury County.

ACS 2023 population

85,651

Median household income

$65,473

Median home value

$162,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Sioux City (GEOID 1973335). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 95,133 (9 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Sioux City, IA

Census place boundary and intersecting ZIP Code Tabulation Areas for Sioux City, IA — Census place boundary for Sioux City, IA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Sioux City

Population overlap

Share of each ZIP/ZCTA’s population located within Sioux City, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

510540.5%
51101100.0%
USPS primary city
51103100.0%
USPS primary city
51104100.0%
USPS primary city
51105100.0%
USPS primary city
5110694.4%
USPS primary city
5110870.6%
USPS primary city
5110989.9%
USPS primary city
51111100.0%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Sioux City

ZIP	City	County	Population	Income
51054	Sergeant Bluff	Woodbury County	5,596	$121,228
51101	Sioux City	Woodbury County	1,077	$18,103
51103	Sioux City	Woodbury County	17,145	$57,212
51104	Sioux City	Woodbury County	22,792	$74,984
51105	Sioux City	Woodbury County	10,726	$46,940
51106	Sioux City	Woodbury County	28,381	$74,486
51108	Sioux City	Woodbury County	5,637	$78,333
51109	Sioux City	Woodbury County	3,731	$70,750
51111	Sioux City	Woodbury County	48	$45,250

USPS associates these ZIPs with Sioux City

These codes list Sioux City as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
51102	Sioux City	Woodbury County	1,058	—