ZIP Code 51101
| ZIP Code | 51101 |
| City | SIOUX CITY |
| State | IA |
| Type | STANDARD |
| Post offices count | 1 (see all) |
| Total population | 649 (see all) |
Cities in ZIP Code 51101
Primary city: SIOUX CITY, IAUnacceptable: WICKHAM SPUR
Post 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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Map
Census data for ZIP Code 51101
Demographic and housing estimates in ZIP Code 51101
| Total population | 649 |
| Male | 420 |
| Female | 229 |
| Total population | 649 |
| Under 5 years | 0 |
| 5 to 9 years | 9 |
| 10 to 14 years | 23 |
| 15 to 19 years | 25 |
| 20 to 24 years | 55 |
| 25 to 34 years | 186 |
| 35 to 44 years | 95 |
| 45 to 54 years | 62 |
| 55 to 59 years | 38 |
| 60 to 64 years | 51 |
| 65 to 74 years | 63 |
| 75 to 84 years | 42 |
| 85 years and over | 0 |
| Median age (years) | 38.3 |
| Under 18 years | 40 |
| 16 years and over | 615 |
| 18 years and over | 609 |
| 21 years and over | 560 |
| 62 years and over | 147 |
| 65 years and over | 105 |
| Total population | 649 |
| One race | 612 |
| White | 469 |
| Black or African American | 70 |
| American Indian and Alaska Native | 5 |
| Asian | 41 |
| Native Hawaiian and Other Pacific Islander | 27 |
| Some other race | 0 |
| Two or more races | 37 |
| Citizen, VOTING AGE 18 and over population | 572 |
| Male Citizen, VOTING AGE 18 and over population | 365 |
| Female Citizen, VOTING AGE 18 and over population | 207 |
Social characteristics in ZIP Code 51101
| Total households | 338 |
| Family households (families) | 30 |
| Married-couple family | 9 |
| Male householder, no wife present, family | 194 |
| Female householder, no husband present, family | 169 |
| Nonfamily households | 105 |
| Average household size | 94 |
| Average family size | 1.29 |
Economic characteristics in ZIP Code 51101
| Total households | 338 |
| Less than $10,000 | 74 |
| $10,000 to $14,999 | 66 |
| $15,000 to $24,999 | 33 |
| $25,000 to $34,999 | 43 |
| $35,000 to $49,999 | 44 |
| $50,000 to $74,999 | 35 |
| $75,000 to $99,999 | 16 |
| $100,000 to $149,999 | 12 |
| $150,000 to $199,999 | 0 |
| $200,000 or more | 15 |
| Median household income (dollars) | 24,091 |
Housing characteristics in ZIP Code 51101
| Total housing units | 462 |
| Occupied housing units | 338 |
| Vacant housing units | 124 |
| Total housing units | 462 |
| 1-unit, detached | 0 |
| 1-unit, attached | 0 |
| 2 units | 20 |
| 3 or 4 units | 34 |
| 5 to 9 units | 22 |
| 10 to 19 units | 94 |
| 20 or more units | 292 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 462 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 0 |
| Built 2000 to 2009 | 0 |
| Built 1990 to 1999 | 61 |
| Built 1980 to 1989 | 11 |
| Built 1970 to 1979 | 109 |
| Built 1960 to 1969 | 53 |
| Built 1950 to 1959 | 19 |
| Built 1940 to 1949 | 0 |
| Built 1939 or earlier | 209 |
| Total housing units | 462 |
| 1 room | 74 |
| 2 rooms | 40 |
| 3 rooms | 206 |
| 4 rooms | 65 |
| 5 rooms | 11 |
| 6 rooms | 24 |
| 7 rooms | 12 |
| 8 rooms | 9 |
| 9 rooms or more | 21 |
| Median rooms | 3.1 |
| Total housing units | 462 |
| No bedroom | 74 |
| 1 bedroom | 273 |
| 2 bedrooms | 81 |
| 3 bedrooms | 4 |
| 4 bedrooms | 0 |
| 5 or more bedrooms | 30 |
| Occupied housing units | 338 |
| Owner-occupied | 40 |
| Renter-occupied | 298 |
| Average household size of owner-occupied unit | 1.60 |
| Average household size of renter-occupied unit | 1.25 |
| Occupied housing units | 338 |
| Moved in 2017 or later | 86 |
| Moved in 2015 to 2016 | 155 |
| Moved in 2010 to 2014 | 53 |
| Moved in 2000 to 2009 | 44 |
| Moved in 1990 to 1999 | 0 |
| Moved in 1989 and earlier | 0 |
| Owner-occupied units | 40 |
| Less than $50,000 | 0 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 10 |
| $150,000 to $199,999 | 12 |
| $200,000 to $299,999 | 18 |
| $300,000 to $499,999 | 0 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 0 |
| Median (dollars) | 170,800 |
| Owner-occupied units | 40 |
| Housing units with a mortgage | 29 |
| Housing units without a mortgage | 11 |
| Occupied units paying rent | 298 |
| Less than $500 | 151 |
| $500 to $999 | 147 |
| $1,000 to $1,499 | 0 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 499 |
| No rent paid | 0 |
Data is based on 2021 Census