US ZIP Code
51108

Sioux City, IA

Woodbury County  ·  Iowa

● Active
👥 5,637 Population ↑ 11% since 2019
💰 $78,333 Median HH Income
≈ Avg ↑ 26% since 2019
🎂 44.2 Median Age ↑ 5% since 2019
🏠 $166,600 Median Home Value
▼ 40% below avg ↑ 28% since 2019
🎓 44.4% College Grads
▲ 14% above avg
📊 6.4% Unemployment
▲ 30% above avg ↑ 823% since 2019
ZIP Code Details
ZIP Code51108
CitySioux City
StateIowa (IA)
CountyWoodbury County
Area Code712
Elevation1,198 ft
Latitude42.565994
Longitude-96.352523
TimezoneChicago (DST)
FIPS19193
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 55.1% (3,107) Female 44.9% (2,530) ♀

Race & Ethnicity

White: 80.1%Hispanic: 16.6%Asian: 1.5%Other: 1.5%Race
White80.1%
Hispanic16.6%
Asian1.5%
Other1.5%

Age Breakdown

Under 5
8%
5–17
23%
18–24
5%
25–44
16%
45–64
30%
65+
9%

Key Indicators

Median Age44.2 yrs ↑ 5% since 2019
Avg Household Size2.63
Below Poverty8.0% ▼ 20% below avg
College Grads44.4% ▲ 14% above avg
Unemployment6.4% ▲ 30% above avg
HS Graduate1,164 (33.4%)
Some College338 (9.7%)
Associates438 (12.6%)
Bachelors482 (13.8%)
Graduate Degree1,064 (30.5%)

Education

HS Grad: 33.4%Some College: 9.7%Associates: 12.6%Bachelors: 13.8%Graduate: 30.5%Edu
HS Grad33.4%
Some College9.7%
Associates12.6%
Bachelors13.8%
Graduate30.5%
Housing & Income

Housing Tenure

Owner: 90.4%Renter: 9.6%Tenure
Owner90.4%
Renter9.6%

Home Value Distribution

Under $50k
5%
$50k–100k
6%
$100k–150k
34%
$150k–200k
17%
$200k–300k
18%
$300k–500k
11%
Over $500k
9%

Financials

Median HH Income$78,333 ≈ Avg ↑ 26% since 2019
Median Home Value$166,600 ▼ 40% below avg ↑ 28% since 2019
Home/Income Ratio2.1x (nat avg ~3.5x)
Median Rent$597/mo ↓ 27% since 2019
Total Units2,142
Avg HH Size2.63

Income Distribution

Under $25k
16%
$25k–50k
13%
$50k–75k
18%
$75k–100k
12%
$100k–150k
21%
$150k–200k
6%
Over $200k
14%
Employment & Commute

How People Get to Work

Drove Alone
92%
Work From Home
8%

Commute Time

Under 15 min
22%
15–30 min
66%
30–45 min
9%
Over 45 min
2%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
16%
1960s–1970s
12%
1980s–1990s
12%
2000+
57%

Summary

Total Units2,142
Owner Occupied90.4%
Renter Occupied9.6%
Avg HH Size2.63
Frequently Asked Questions
ZIP code 51108 is in Sioux City, IA, in Woodbury County.
ZIP code 51108 is located in Iowa (IA).
ZIP code 51108 is in Woodbury County, IA.
ZIP 51108 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51108 is 5,637 people (ACS 2023).
The median household income in ZIP code 51108 is $78,333 (ACS 2023).
The median home value in ZIP 51108 is $166,600 (ACS 2023).
About ZIP Code 51108

ZIP code 51108 is located in Sioux City, Iowa, within Woodbury County. With a population of 5,637, this is a lightly populated ZIP code with a middle-aged community — the median age is 44.2 years. Economically, 51108 is a middle-income ZIP code: the median household income of $78,333 is near the national average.

Real estate in ZIP code 51108 represents an affordable housing market. The median home value of $166,600 is below the national average. Renters can expect to pay around $597 per month in median rent. Homeownership is strong here — 90.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.

The population of 51108 is primarily White (80.13%). Residents are well-educated — 44.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.0%. Household income has grown by 26% since 2019.

The unemployment rate in 51108 stands at 6.4%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 51108 in Sioux City, IA is characterized as middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 5,637 residents, a median household income of $78,333, and a median home value of $166,600, it offers a clear picture of life in this part of Iowa.