51105 ZIP Code
Sioux City, Iowa
December 14, 2025
| ZIP Code: | 51105 |
| City/Town: | Sioux City |
| County: | Woodbury |
| State: | Iowa |
| ZIP Type: | Standard |
| Population: | 11,214 |
| Median Household Income: | $47,018 |
| Per Capita Income: | $33,182 |
| Total Housing Units: | 4,225 |
| Median Home Value: | $86,000 |
| Land Area: | 6.0 sq miles
15.4 sq km |
| Water Area: | 0.0 sq miles
0.1 sq km |
| Coordinates: | 42.5079, -96.3663 |
Population Information (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 11,214 | -- | -- |
| Male: | 5,610 | 50.0% | 49.6% |
| Female: | 5,604 | 50.0% | 50.4% |
| Median Age: | 30.5 yrs | -- | 38.5 yrs |
| Under 5 years: | 1,175 | 10.5% | 5.7% |
| 5 to 9 years: | 958 | 8.5% | 6.0% |
| 10 to 14 years: | 749 | 6.7% | 6.5% |
| 15 to 19 years: | 1,172 | 10.5% | 6.6% |
| 20 to 24 years: | 637 | 5.7% | 6.7% |
| 25 to 34 years: | 1,836 | 16.4% | 13.7% |
| 35 to 44 years: | 1,632 | 14.6% | 12.9% |
| 45 to 54 years: | 1,506 | 13.4% | 12.4% |
| 55 to 59 years: | 347 | 3.1% | 6.5% |
| 60 to 64 years: | 469 | 4.2% | 6.4% |
| 65 to 74 years: | 537 | 4.8% | 9.7% |
| 75 to 84 years: | 165 | 1.5% | 4.8% |
| 85 years and over: | 31 | 0.3% | 2.0% |
Housing Information (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $86,000 | -- | $281,900 |
| Median rooms: | 4.7 | -- | 5.5 |
| Median rent: | $809 / mo. | -- | $1,268 / mo. |
| Total housing units: | 4,225 | -- | -- |
| Occupied housing units: | 3,898 | 92.3% | 38.0% |
| Vacant housing units: | 327 | 7.7% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 1,703 | 43.7% | 64.8% |
| Renter-occupied: | 2,195 | 56.3% | 35.2% |
Educational Attainment (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 6,523 | -- | -- |
| Less than 9th grade: | 1,078 | 16.5% | 4.7% |
| 9th to 12th grade, no diploma: | 969 | 14.9% | 6.1% |
| High school graduate: | 2,508 | 38.4% | 26.4% |
| Some college, no degree: | 1,188 | 18.2% | 19.7% |
| Associate degree: | 297 | 4.6% | 8.7% |
| Bachelor's degree: | 367 | 5.6% | 20.9% |
| Graduate or professional degree: | 116 | 1.8% | 13.7% |
| Percent high school graduate or higher: | -- | 68.6% | 89.1% |
| Percent bachelor's degree or higher: | -- | 7.4% | 34.3% |
Income Information (51105 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $47,018 / yr. | $75,149 / yr. |
| Mean household income: | $62,215 / yr. | $105,833 / yr. |
| Median family income: | $57,798 / yr. | $92,646 / yr. |
| Per capita income: | $33,182 / yr. | $41,261 / yr. |
Employment (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 5,612 | -- | 63.5% |
| Employed: | 5,258 | 93.7% | 96.4% |
| Unemployed: | 354 | 6.3% | 5.3% |
| Not in labor force: | 2,358 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 4,892 | 93.0% | 79.7% |
| Government workers: | 139 | 2.6% | 14.2% |
| Self-employed: | 213 | 4.1% | 5.9% |
| Unpaid family workers: | 14 | 0.3% | 0.1% |
Race & Ethnicity (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 6,014 | 53.6% | 61.6% |
| Black or African American: | 1,329 | 11.9% | 12.4% |
| American Indian/Alaska Native: | 400 | 3.6% | 1.1% |
| Asian: | 228 | 2.0% | 6.0% |
| Native Hawaiian/Pacific Islander: | 157 | 1.4% | 0.2% |
| Some other race: | 254 | 2.3% | 8.4% |
| Two or more races: | 2,832 | 25.3% | 10.2% |
| Hispanic or Latino (any race): | 2,267 | 20.2% | 18.7% |
| Mexican: | 4,084 | 36.4% | 11.2% |
| Puerto Rican: | 2,578 | 23.0% | 1.8% |
| Cuban: | 155 | 1.4% | 0.7% |
| Other Hispanic or Latino: | 34 | 0.3% | 5.0% |
| Not Hispanic or Latino: | 1,317 | 11.7% | 81.1% |
Income Distribution (51105 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 269 | 6.9% | 4.9% |
| $10,000 to $14,999: | 168 | 4.3% | 3.8% |
| $15,000 to $24,999: | 330 | 8.5% | 7.0% |
| $25,000 to $34,999: | 536 | 13.8% | 7.4% |
| $35,000 to $49,999: | 726 | 18.6% | 10.7% |
| $50,000 to $74,999: | 596 | 15.3% | 16.1% |
| $75,000 to $99,999: | 417 | 10.7% | 12.8% |
| $100,000 to $149,999: | 701 | 18.0% | 17.1% |
| $150,000 to $199,999: | 80 | 2.1% | 8.8% |
| $200,000 or more: | 75 | 1.9% | 11.4% |
Commute to Work (51105 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 3,705 | 70.5% | 67.8% |
| Carpooled: | 1,062 | 20.2% | 8.7% |
| Public transportation: | 100 | 1.9% | 4.2% |
| Walked: | 186 | 3.5% | 2.5% |
| Other means: | 12 | 0.2% | 0.9% |
| Worked from home: | 114 | 2.2% | 13.8% |
| Mean travel time to work: | 18.9 min | -- | 26.7 min |
Industry (51105 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 42 | 0.8% | 1.6% |
| Construction: | 458 | 8.7% | 6.9% |
| Manufacturing: | 1,937 | 36.8% | 10.0% |
| Wholesale trade: | 44 | 0.8% | 2.4% |
| Retail trade: | 458 | 8.7% | 11.0% |
| Transportation, warehousing, utilities: | 276 | 5.2% | 5.8% |
| Information: | 84 | 1.6% | 1.9% |
| Finance, insurance, real estate: | 168 | 3.2% | 6.7% |
| Professional, scientific, management: | 513 | 9.8% | 12.1% |
| Education, health care, social services: | 457 | 8.7% | 23.3% |
| Arts, entertainment, food services: | 569 | 10.8% | 9.0% |
| Other services: | 179 | 3.4% | 4.7% |
| Public administration: | 73 | 1.4% | 4.7% |
Poverty Status (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 22.5% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 9,654 | 86.1% | 91.3% |
| Private health insurance: | 5,232 | 46.7% | 67.6% |
| Public health coverage: | 5,784 | 51.6% | 35.9% |
| Without health insurance: | 1,560 | 13.9% | 8.7% |
Benefits & Assistance (51105 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 3,272 | 83.9% | 77.4% |
| Social Security income: | 923 | 23.7% | 31.0% |
| Retirement income: | 433 | 11.1% | 21.8% |
| Supplemental Security Income (SSI): | 257 | 6.6% | 4.5% |
| Cash public assistance income: | 164 | 4.2% | 1.8% |
| SNAP (food stamps) benefits: | 839 | 21.5% | 11.4% |
Housing Types (51105 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 2,066 | 48.9% | 61.4% |
| 1-unit, attached: | 74 | 1.8% | 6.1% |
| 2 units: | 343 | 8.1% | 3.4% |
| 3 or 4 units: | 416 | 9.8% | 4.3% |
| 5 to 9 units: | 201 | 4.8% | 4.6% |
| 10 to 19 units: | 126 | 3.0% | 4.3% |
| 20 or more units: | 420 | 9.9% | 9.9% |
| Mobile home: | 579 | 13.7% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (51105 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 6 | 0.1% | 0.6% |
| Built 2010 to 2019: | 169 | 4.0% | 8.2% |
| Built 2000 to 2009: | 180 | 4.3% | 13.5% |
| Built 1990 to 1999: | 239 | 5.7% | 13.2% |
| Built 1980 to 1989: | 81 | 1.9% | 13.2% |
| Built 1970 to 1979: | 226 | 5.3% | 14.6% |
| Built 1960 to 1969: | 276 | 6.5% | 10.2% |
| Built 1950 to 1959: | 377 | 8.9% | 9.9% |
| Built 1940 to 1949: | 319 | 7.6% | 4.6% |
| Built 1939 or earlier: | 2,352 | 55.7% | 12.0% |
Bedrooms (51105 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 422 | 10.0% | 2.4% |
| 1 bedroom: | 543 | 12.9% | 3.0% |
| 2 bedrooms: | 1,413 | 33.4% | 9.1% |
| 3 bedrooms: | 1,387 | 32.8% | 15.9% |
| 4 bedrooms: | 331 | 7.8% | 18.8% |
| 5 or more bedrooms: | 129 | 3.1% | 17.6% |
Heating Fuel (51105 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 2,793 | 71.7% | 47.1% |
| Bottled, tank, or LP gas: | 191 | 4.9% | 4.9% |
| Electricity: | 817 | 21.0% | 40.2% |
| Fuel oil, kerosene, etc.: | 0 | 0.0% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 0 | 0.0% | 1.5% |
| Solar energy: | 0 | 0.0% | 0.1% |
| Other fuel: | 65 | 1.7% | 0.5% |
| No fuel used: | 32 | 0.8% | 0.2% |
Vehicles Available (51105 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 545 | 14.0% | 8.3% |
| 1 vehicle available: | 1,546 | 39.7% | 32.6% |
| 2 vehicles available: | 1,005 | 25.8% | 37.0% |
| 3 or more vehicles available: | 802 | 20.6% | 22.1% |
Home Value Distribution (51105 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 302 | 17.7% | 5.7% |
| $50,000 to $99,999: | 771 | 45.3% | 7.8% |
| $100,000 to $149,999: | 390 | 22.9% | 9.2% |
| $150,000 to $199,999: | 118 | 6.9% | 10.8% |
| $200,000 to $299,999: | 112 | 6.6% | 19.9% |
| $300,000 to $499,999: | 0 | 0.0% | 24.1% |
| $500,000 to $999,999: | 10 | 0.6% | 17.0% |
| $1,000,000 or more: | 0 | 0.0% | 5.6% |
Housing Costs (51105 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $1,051 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $458 / mo. | $584 / mo. |
| Median gross rent: | $809 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 3.14 | 2.53 |
| Average household size (renter-occupied): | 2.67 | 2.38 |
Households (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 3,898 | -- | -- |
| Married-couple households: | 1,265 | 32.5% | 47.5% |
| Cohabiting couple households: | 737 | 18.9% | 7.0% |
| Male householder, no spouse: | 1,058 | 27.1% | 5.4% |
| Female householder, no spouse: | 1,099 | 28.2% | 12.7% |
| Householder living alone: | 1,664 | 42.7% | 28.6% |
| 65 years and over living alone: | 628 | 16.1% | 11.8% |
| Average household size: | 2.87 | -- | 2.53 |
| Average family size: | 3.69 | -- | -- |
Marital Status (51105 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 4,237 | -- | -- |
| Never married: | 1,942 | 45.8% | 37.0% |
| Now married: | 1,570 | 37.1% | 49.5% |
| Separated: | 114 | 2.7% | 1.5% |
| Widowed: | 526 | 12.4% | 2.6% |
| Divorced: | 1,819 | 42.9% | 9.3% |
School Enrollment (51105 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 3,145 | -- | -- |
| Nursery school, preschool: | 213 | 6.8% | 5.8% |
| Kindergarten: | 183 | 5.8% | 5.0% |
| Elementary school (grades 1-8): | 1,386 | 44.1% | 40.5% |
| High school (grades 9-12): | 934 | 29.7% | 21.4% |
| College or graduate school: | 429 | 13.6% | 27.3% |
Veterans & Disability (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 7,546 | -- | -- |
| Veterans: | 251 | 3.3% | 6.3% |
| Civilian noninstitutionalized population: | 11,214 | -- | -- |
| With a disability: | 1,433 | 12.8% | 13.4% |
| Under 18 with disability: | 123 | 8.6% | 5.8% |
| 18 to 64 with disability: | 1,146 | 80.0% | 10.4% |
| 65 and over with disability: | 164 | 11.4% | 33.4% |
Mobility (Residence 1 Year Ago) (51105 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 9,703 | 86.5% | 86.9% |
| Different house: | 1,348 | 12.0% | 13.1% |
| Same county: | 701 | 52.0% | 7.0% |
| Different county: | 639 | 47.4% | 3.2% |
| Different state: | 537 | 39.8% | 2.5% |
| Abroad: | 8 | 0.6% | 0.4% |
Place of Birth (51105 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 8,671 | 77.3% | 86.2% |
| Foreign born: | 289 | 2.6% | 13.9% |
| Naturalized citizen: | 2,543 | 879.9% | 52.7% |
| Not a citizen: | 2,543 | 879.9% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 2,543 | 879.9% | 10.5% |
| Asia: | 25 | 8.7% | 31.3% |
| Africa: | 666 | 230.4% | 5.5% |
| Oceania: | 60 | 20.8% | 0.5% |
| Latin America: | 1,595 | 551.9% | 50.0% |
| Northern America: | 0 | 0.0% | 2.2% |
Language Spoken at Home (51105 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 10,039 | -- | -- |
| English only: | 5,535 | 55.1% | 78.3% |
| Language other than English: | 4,504 | 44.9% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 3,273 | 32.6% | 13.3% |
| Other Indo-European languages: | 0 | 0.0% | 3.5% |
| Asian/Pacific Island languages: | 451 | 4.5% | 3.5% |
| Other languages: | 780 | 7.8% | 1.0% |
Computers & Internet (51105 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 3,898 | 100.0% | 93.1% |
| Households with broadband internet: | 3,492 | 89.6% | 89.4% |
Sioux City, IA51105