US ZIP Code
51106

Sioux City, IA

Woodbury County  ·  Iowa

● Active
👥 28,381 Population ↑ 7% since 2019
💰 $74,486 Median HH Income
≈ Avg ↑ 18% since 2019
🎂 36.0 Median Age ↓ 2% since 2019
🏠 $186,300 Median Home Value
▼ 33% below avg ↑ 32% since 2019
🎓 40.9% College Grads
≈ Avg
📊 4.6% Unemployment
≈ Avg
ZIP Code Details
ZIP Code51106
CitySioux City
StateIowa (IA)
CountyWoodbury County
Area Code712
Elevation1,161 ft
Latitude42.463175
Longitude-96.312909
TimezoneChicago (DST)
FIPS19193
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.5% (14,054) Female 50.5% (14,327) ♀

Race & Ethnicity

White: 77.8%Hispanic: 10%Black: 5.8%Asian: 1.1%Other: 4.2%Race
White77.8%
Hispanic10.0%
Black5.8%
Asian1.1%
Other4.2%

Age Breakdown

Under 5
7%
5–17
17%
18–24
13%
25–44
24%
45–64
23%
65+
7%

Key Indicators

Median Age36.0 yrs ↓ 2% since 2019
Avg Household Size2.44
Below Poverty13.2% ▲ 32% above avg
College Grads40.9% ≈ Avg
Unemployment4.6% ≈ Avg
No HS Diploma198 (1.2%)
HS Graduate5,170 (31%)
Some College2,107 (12.6%)
Associates2,402 (14.4%)
Bachelors2,249 (13.5%)
Graduate Degree4,577 (27.4%)

Education

No HS: 1.2%HS Grad: 31%Some College: 12.6%Associates: 14.4%Bachelors: 13.5%Graduate: 27.4%Edu
No HS1.2%
HS Grad31.0%
Some College12.6%
Associates14.4%
Bachelors13.5%
Graduate27.4%
Housing & Income

Housing Tenure

Owner: 71.2%Renter: 28.8%Tenure
Owner71.2%
Renter28.8%

Home Value Distribution

Under $50k
2%
$50k–100k
6%
$100k–150k
21%
$150k–200k
30%
$200k–300k
24%
$300k–500k
11%
Over $500k
5%

Financials

Median HH Income$74,486 ≈ Avg ↑ 18% since 2019
Median Home Value$186,300 ▼ 33% below avg ↑ 32% since 2019
Home/Income Ratio2.5x (nat avg ~3.5x)
Median Rent$1,080/mo ↑ 33% since 2019
Total Units11,681
Vacant Units579
Avg HH Size2.44

Income Distribution

Under $25k
18%
$25k–50k
14%
$50k–75k
17%
$75k–100k
10%
$100k–150k
25%
$150k–200k
7%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
92%
Public Transit
0%
Walked
2%
Work From Home
6%

Commute Time

Under 15 min
49%
15–30 min
43%
30–45 min
5%
Over 45 min
3%
Housing Stock

Year Built

Before 1940
6%
1940s–1950s
16%
1960s–1970s
14%
1980s–1990s
5%
2000+
59%

Summary

Total Units11,681
Vacant579
Owner Occupied71.2%
Renter Occupied28.8%
Avg HH Size2.44
Frequently Asked Questions
ZIP code 51106 is in Sioux City, IA, in Woodbury County.
ZIP code 51106 is located in Iowa (IA).
ZIP code 51106 is in Woodbury County, IA.
ZIP 51106 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51106 is 28,381 people (ACS 2023).
The median household income in ZIP code 51106 is $74,486 (ACS 2023).
The median home value in ZIP 51106 is $186,300 (ACS 2023).
About ZIP Code 51106

ZIP code 51106 is located in Sioux City, Iowa, within Woodbury County. With a population of 28,381, this is a moderately populated ZIP code with a relatively young community — the median age is 36 years. Economically, 51106 is a solidly middle-class ZIP code: the median household income of $74,486 is near the national average.

Real estate in ZIP code 51106 represents an affordable housing market. The median home value of $186,300 is below the national average. Renters can expect to pay around $1,080 per month in median rent. Homeownership is strong here — 71.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 32% since 2019.

The population of 51106 is primarily White (77.75%). Residents are well-educated — 40.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.2%. Household income has grown by 18% since 2019.

The unemployment rate in 51106 stands at 4.6%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 85%.

Overall, ZIP code 51106 in Sioux City, IA is characterized as solidly middle-class, well-educated, a relatively young community, and predominantly owner-occupied. With 28,381 residents, a median household income of $74,486, and a median home value of $186,300, it offers a clear picture of life in this part of Iowa.