ZIP Code 51106
| ZIP Code | 51106 |
| City | SIOUX CITY |
| State | IA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 27,491 (see all) |
Cities in ZIP Code 51106
Primary city: SIOUX CITY, IAPost offices
SIOUX CITY — Post Office™ 214 JACKSON ST SIOUX CITY, IA 51101-9998 MoreSIOUX CITY — Post Office™214 JACKSON ST For facility accessibility, please call the Post Office. 1-800-ASK-USPS® (800-275-8777) Hours
Services at this Location Service hours may vary.
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Census data for ZIP Code 51106
Demographic and housing estimates in ZIP Code 51106
| Total population | 27,491 |
| Male | 13,835 |
| Female | 13,656 |
| Total population | 27,491 |
| Under 5 years | 1,668 |
| 5 to 9 years | 1,833 |
| 10 to 14 years | 1,471 |
| 15 to 19 years | 2,456 |
| 20 to 24 years | 2,108 |
| 25 to 34 years | 3,150 |
| 35 to 44 years | 3,284 |
| 45 to 54 years | 3,222 |
| 55 to 59 years | 1,990 |
| 60 to 64 years | 1,721 |
| 65 to 74 years | 2,566 |
| 75 to 84 years | 1,462 |
| 85 years and over | 560 |
| Median age (years) | 37.3 |
| Under 18 years | 6,019 |
| 16 years and over | 22,158 |
| 18 years and over | 21,472 |
| 21 years and over | 19,452 |
| 62 years and over | 5,762 |
| 65 years and over | 4,588 |
| Total population | 27,491 |
| One race | 25,930 |
| White | 23,507 |
| Black or African American | 933 |
| American Indian and Alaska Native | 176 |
| Asian | 356 |
| Native Hawaiian and Other Pacific Islander | 144 |
| Some other race | 814 |
| Two or more races | 1,561 |
| Citizen, VOTING AGE 18 and over population | 20,700 |
| Male Citizen, VOTING AGE 18 and over population | 10,355 |
| Female Citizen, VOTING AGE 18 and over population | 10,345 |
Social characteristics in ZIP Code 51106
| Total households | 10,762 |
| Family households (families) | 5,125 |
| Married-couple family | 840 |
| Male householder, no wife present, family | 2,050 |
| Female householder, no husband present, family | 1,382 |
| Nonfamily households | 2,747 |
| Average household size | 3,495 |
| Average family size | 2.44 |
Economic characteristics in ZIP Code 51106
| Total households | 10,762 |
| Less than $10,000 | 419 |
| $10,000 to $14,999 | 229 |
| $15,000 to $24,999 | 1,087 |
| $25,000 to $34,999 | 892 |
| $35,000 to $49,999 | 1,204 |
| $50,000 to $74,999 | 1,714 |
| $75,000 to $99,999 | 1,775 |
| $100,000 to $149,999 | 2,082 |
| $150,000 to $199,999 | 726 |
| $200,000 or more | 634 |
| Median household income (dollars) | 72,919 |
Housing characteristics in ZIP Code 51106
| Total housing units | 11,341 |
| Occupied housing units | 10,762 |
| Vacant housing units | 579 |
| Total housing units | 11,341 |
| 1-unit, detached | 8,469 |
| 1-unit, attached | 440 |
| 2 units | 372 |
| 3 or 4 units | 147 |
| 5 to 9 units | 399 |
| 10 to 19 units | 506 |
| 20 or more units | 612 |
| Mobile home | 396 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 11,341 |
| Built 2014 or later | 16 |
| Built 2010 to 2013 | 539 |
| Built 2000 to 2009 | 382 |
| Built 1990 to 1999 | 969 |
| Built 1980 to 1989 | 824 |
| Built 1970 to 1979 | 1,810 |
| Built 1960 to 1969 | 1,449 |
| Built 1950 to 1959 | 1,709 |
| Built 1940 to 1949 | 975 |
| Built 1939 or earlier | 2,668 |
| Total housing units | 11,341 |
| 1 room | 146 |
| 2 rooms | 115 |
| 3 rooms | 742 |
| 4 rooms | 1,459 |
| 5 rooms | 2,184 |
| 6 rooms | 1,693 |
| 7 rooms | 1,759 |
| 8 rooms | 1,106 |
| 9 rooms or more | 2,137 |
| Median rooms | 6.1 |
| Total housing units | 11,341 |
| No bedroom | 146 |
| 1 bedroom | 899 |
| 2 bedrooms | 3,311 |
| 3 bedrooms | 4,467 |
| 4 bedrooms | 1,689 |
| 5 or more bedrooms | 829 |
| Occupied housing units | 10,762 |
| Owner-occupied | 7,860 |
| Renter-occupied | 2,902 |
| Average household size of owner-occupied unit | 2.55 |
| Average household size of renter-occupied unit | 2.15 |
| Occupied housing units | 10,762 |
| Moved in 2017 or later | 828 |
| Moved in 2015 to 2016 | 2,817 |
| Moved in 2010 to 2014 | 1,968 |
| Moved in 2000 to 2009 | 2,172 |
| Moved in 1990 to 1999 | 1,387 |
| Moved in 1989 and earlier | 1,590 |
| Owner-occupied units | 7,860 |
| Less than $50,000 | 243 |
| $50,000 to $99,999 | 1,585 |
| $100,000 to $149,999 | 1,727 |
| $150,000 to $199,999 | 2,009 |
| $200,000 to $299,999 | 1,560 |
| $300,000 to $499,999 | 560 |
| $500,000 to $999,999 | 176 |
| $1,000,000 or more | 0 |
| Median (dollars) | 156,100 |
| Owner-occupied units | 7,860 |
| Housing units with a mortgage | 4,800 |
| Housing units without a mortgage | 3,060 |
| Occupied units paying rent | 2,868 |
| Less than $500 | 274 |
| $500 to $999 | 1,573 |
| $1,000 to $1,499 | 796 |
| $1,500 to $1,999 | 141 |
| $2,000 to $2,499 | 30 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 54 |
| Median (dollars) | 875 |
| No rent paid | 34 |
Data is based on 2021 Census