US ZIP Code
51557

Mondamin, IA

Harrison County  ·  Iowa

● Active
👥 788 Population ↓ 8% since 2019
💰 $75,221 Median HH Income
≈ Avg
🎂 39.6 Median Age ↓ 27% since 2019
🏠 $160,900 Median Home Value
▼ 42% below avg ↑ 18% since 2019
🎓 38.2% College Grads
≈ Avg
📊 1.1% Unemployment
▼ 79% below avg ↓ 67% since 2019
ZIP Code Details
ZIP Code51557
CityMondamin
StateIowa (IA)
CountyHarrison County
Area Code712
Elevation1,025 ft
Latitude41.733644
Longitude-96.006365
TimezoneChicago (DST)
FIPS19085
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.2% (411) Female 47.8% (377) ♀

Race & Ethnicity

White: 92.3%Hispanic: 6.5%Other: 1%Race
White92.3%
Hispanic6.5%
Other1.0%

Age Breakdown

Under 5
8%
5–17
21%
18–24
4%
25–44
21%
45–64
28%
65+
10%

Key Indicators

Median Age39.6 yrs ↓ 27% since 2019
Avg Household Size2.42
Below Poverty6.0% ▼ 40% below avg
College Grads38.2% ≈ Avg
Unemployment1.1% ▼ 79% below avg
No HS Diploma2 (0.4%)
HS Graduate182 (35.5%)
Some College52 (10.1%)
Associates81 (15.8%)
Bachelors63 (12.3%)
Graduate Degree133 (25.9%)

Education

No HS: 0.4%HS Grad: 35.5%Some College: 10.1%Associates: 15.8%Bachelors: 12.3%Graduate: 25.9%Edu
No HS0.4%
HS Grad35.5%
Some College10.1%
Associates15.8%
Bachelors12.3%
Graduate25.9%
Housing & Income

Housing Tenure

Owner: 86.8%Renter: 13.2%Tenure
Owner86.8%
Renter13.2%

Home Value Distribution

Under $50k
12%
$50k–100k
15%
$100k–150k
20%
$150k–200k
21%
$200k–300k
12%
$300k–500k
14%
Over $500k
6%

Financials

Median HH Income$75,221 ≈ Avg
Median Home Value$160,900 ▼ 42% below avg ↑ 18% since 2019
Home/Income Ratio2.1x (nat avg ~3.5x)
Median Rent$919/mo ↑ 53% since 2019
Total Units385
Vacant Units60
Avg HH Size2.42

Income Distribution

Under $25k
18%
$25k–50k
10%
$50k–75k
20%
$75k–100k
21%
$100k–150k
12%
$150k–200k
7%
Over $200k
12%
Employment & Commute

How People Get to Work

Drove Alone
78%
Walked
2%
Work From Home
19%

Commute Time

Under 15 min
13%
15–30 min
30%
30–45 min
19%
Over 45 min
38%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
4%
1960s–1970s
13%
1980s–1990s
11%
2000+
68%

Summary

Total Units385
Vacant60
Owner Occupied86.8%
Renter Occupied13.2%
Avg HH Size2.42
Frequently Asked Questions
ZIP code 51557 is in Mondamin, IA, in Harrison County.
ZIP code 51557 is located in Iowa (IA).
ZIP code 51557 is in Harrison County, IA.
ZIP 51557 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51557 is 788 people (ACS 2023).
The median household income in ZIP code 51557 is $75,221 (ACS 2023).
The median home value in ZIP 51557 is $160,900 (ACS 2023).
About ZIP Code 51557

ZIP code 51557 is located in Mondamin, Iowa, within Harrison County. With a population of 788, this is a sparsely populated ZIP code with a middle-aged community — the median age is 39.6 years. Economically, 51557 is a middle-income ZIP code: the median household income of $75,221 is near the national average.

Real estate in ZIP code 51557 represents an affordable housing market. The median home value of $160,900 is below the national average. Renters can expect to pay around $919 per month in median rent. Homeownership is strong here — 86.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 18% since 2019.

The population of 51557 is primarily White (92.26%). Residents are moderately educated — 38.2% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.0%.

The unemployment rate in 51557 stands at 1.1%, which is well below the national average. About 18% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 71%.

Overall, ZIP code 51557 in Mondamin, IA is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 788 residents, a median household income of $75,221, and a median home value of $160,900, it offers a clear picture of life in this part of Iowa.