Sioux City, IA · standard
ZIP Code 51111
Woodbury County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 94
- 5/sq mi
- 0.0%
- Bachelor's or higher
ZIP code 51111 is a sparsely populated ZIP (a standard USPS delivery area) in Sioux City, Woodbury County, Iowa, home to just 94 residents across 17.4 square miles, a density of 5 people per square mile, in the Chicago time zone.
Median household income is not on file for ZIP 51111, but per-capita income is $29,128. Local economic indicators show a 0.0% poverty rate alongside 0.0% unemployment. Median home value sits at -, median rent at - a month, and owner-occupancy at 0.0%.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 26.4, and the average commute is 10 minutes. To put 51111 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Woodbury County, for a geography-aware comparison.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 51111
Top 5 sectors by establishment count in Sioux City, IA
Which industries have the most business establishments in ZIP 51111.
- Wholesale trade
Wholesale trade
28 establishments
- Transportation and warehousing
Transportation and warehousing
18 establishments
- Manufacturing
Manufacturing
15 establishments
- Other services (except public administration) 7
Other services (except public administration)
7 establishments
- Accommodation and food services 6
Accommodation and food services
6 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 51111, Sioux City, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
94
Population
17.4
Area (sq mi)
5
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 51111?
26.4
Median Age
61.5%
Male
38.5%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$29,128
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
10.0 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
27
Total Housing Units
27
Occupied Units
0
Vacant Units
1.44
Avg Household Size
Occupancy Type
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 96 business establishments in ZIP 51111, employing approximately 6,303 people with a combined annual payroll of $361,874,000.
96
Businesses
6,303
Employees
$361.9M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Wholesale trade | 28 | 29.2% |
| Transportation and warehousing | 18 | 18.8% |
| Manufacturing | 15 | 15.6% |
| Other services (except public administration) | 7 | 7.3% |
| Accommodation and food services | 6 | 6.3% |
| Retail trade | 5 | 5.2% |
| Real estate and rental and leasing | 5 | 5.2% |
| Management of companies and enterprises | 3 | 3.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 51111 vs 51054 →
ZIP 51111 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 51106
Sioux City (51106)
26,544 residents
- 51104
Sioux City (51104)
22,104 residents
- 51103
Sioux City (51103)
17,453 residents
- 68776
South Sioux City (68776)
15,447 residents
- 51105 10,216
Sioux City (51105)
10,216 residents
- 51054 5,110
Sergeant Bluff (51054)
5,110 residents
- 68731 2,637
Dakota City (68731)
2,637 residents
- 51052 1,027
Salix (51052)
1,027 residents
- 68030 835
Homer (68030)
835 residents
What this shows Among its immediate neighbors, ZIP 51111 ranks #0 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 51054 | Sergeant Bluff, IA | 5,110 | 3.5 mi |
| 51101 | Sioux City, IA | 809 | 5.8 mi |
| 68731 | Dakota City, NE | 2,637 | 4.8 mi |
| 68776 | South Sioux City, NE | 15,447 | 4.5 mi |
| 51105 | Sioux City, IA | 10,216 | 6.9 mi |
| 51106 | Sioux City, IA | 26,544 | 5.1 mi |
| 51104 | Sioux City, IA | 22,104 | 8.7 mi |
| 68030 | Homer, NE | 835 | 6.9 mi |
| 51103 | Sioux City, IA | 17,453 | 8.0 mi |
| 51052 | Salix, IA | 1,027 | 9.0 mi |
More ZIP Codes in Woodbury County
Related Areas
Frequently Asked Questions
What county is ZIP code 51111 in? ▼
What is the population of ZIP code 51111? ▼
What is the demographic makeup of ZIP 51111? ▼
How many businesses are in ZIP code 51111? ▼
What are the main industries in ZIP code 51111? ▼
What is the average commute time in ZIP 51111? ▼
Read our methodology to see how this data is sourced, computed, and verified.