US5.com
  1. Home
  2. States
  3. Iowa
  4. ZIP 51101
  5. People & Community
Sioux City city, IA

ZIP 51101 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Low Income AreaLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 51101

51101 has a population of 1,077 with a median age of 33.8 yrs (51.4% male).

Race & Ethnicity
White
61.3%-1% vs US avg
x
Black
7.2%-42% vs US avg
x
Asian
3.6%-39% vs US avg
x
Hispanic
10.8%-42% vs US avg
x
Other / Two+
17.2%
x
Age Groups
0–17
8.3%-62% vs US avg
x
18–64
79.7%+29% vs US avg
x
65+
12.1%-26% vs US avg
x
Education
Less than HS
16.3%+46% vs US avg
x
High school
27.4%+5% vs US avg
x
Some college
45.2%+56% vs US avg
x
Bachelor's+
11.1%-67% vs US avg
x
Marital Status
Married
7.7%-84% vs US avg
x
Never married
54.1%+60% vs US avg
x
Divorced
33.2%+222% vs US avg
x
Widowed / Separated
5.0%
x
Diversity Index
58/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
41.9%+264% vs US avg
x
Foreign Born
75.6%+444% vs US avg
x
Veterans
4.5%-26% vs US avg
x
Disability
52.2%+290% vs US avg
x
Single Parent
70.4%+769% vs US avg
x
Recent Births
0.0%
x
Top ancestry
IrishAmericanGerman

Health & Community Indicators in 51101

Poverty Rate
41.9%+264% vs US avg
x
Veterans
4.5%-26% vs US avg
x
Foreign Born
75.6%+444% vs US avg
x
Single Parent
70.4%+769% vs US avg
x
Disability
52.2%+290% vs US avg
x
Uninsured
14.7%+83% vs US avg
x
SNAP Benefits
30.1%+157% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,077
Median age33.8
Poverty rate41.9%
Demographics statistics
Demographics
White61.3%
Hispanic10.8%
Black7.2%
Asian3.6%
Foreign-born75.6%