US Census Data

ZIP 51331 vs ZIP 51340

A side-by-side comparison of ZIP Code 51331 and ZIP Code 51340: population, income, housing, and more.

ZIP 51331 and ZIP 51340 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 51331 has the higher population (920 vs 80 in ZIP 51340). ZIP 51340 has the higher median household income ($88,750 vs $84,615 in ZIP 51331). ZIP 51331 has the higher median home value ($415,800 vs $116,700 in ZIP 51340).

Population, income & housing

ZIP 51331ZIP 51340
Population92080
Median age63.8 yrs52.8 yrs
Median household income$84,615$88,750
Median home value$415,800$116,700
Median gross rent$718
Housing units1,62246
Homeownership rate87.5%100.0%
Bachelor's degree or higher42.0%33.3%
Unemployment rate0.5%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 51331ZIP 51340
Population1,022 → 920 (-10.0%)89 → 80 (-10.1%)
Median household income$49,063 → $84,615 (+72.5%)$75,833 → $88,750 (+17.0%)
Median home value$225,800 → $415,800 (+84.1%)$79,400 → $116,700 (+47.0%)
Median gross rent$828 → $718 (-13.3%)

ZIP 51331

Population
1,022920
Median household income
$49,063$84,615
Median home value
$225,800$415,800
Median gross rent
$828$718

ZIP 51340

Population
8980
Median household income
$75,833$88,750
Median home value
$79,400$116,700

Age & race/ethnicity

Age distribution (share)

ZIP 51331ZIP 51340
Under 55.1%0.0%
5 to 173.3%7.5%
18 to 240.9%17.5%
25 to 347.4%2.5%
35 to 447.0%0.0%
45 to 547.6%32.5%
55 to 6425.4%27.5%
65 to 7426.6%8.8%
75 and over16.7%3.8%

Race & ethnicity (share)

ZIP 51331ZIP 51340
White (non-Hispanic)97.7%92.5%
Black or African American0.0%2.5%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races1.3%5.0%
Hispanic or Latino1.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 51331ZIP 51340
No high school diploma1.7%8.3%
High school graduate24.1%30.0%
Some college or associate's32.2%28.3%
Bachelor's degree31.1%26.7%
Graduate or professional degree10.9%6.7%

Commute to work

How workers get to work (share)

ZIP 51331ZIP 51340
Drove alone75.3%80.3%
Carpooled10.1%19.7%
Public transit0.0%0.0%
Walked0.0%0.0%
Bicycle0.0%0.0%
Worked from home13.7%0.0%
Other means1.0%0.0%

Housing

Units in structure (share)

ZIP 51331ZIP 51340
1-unit, detached57.1%100.0%
1-unit, attached6.2%0.0%
2 to 4 units2.8%0.0%
5 to 19 units7.8%0.0%
20 or more units11.2%0.0%
Mobile home & other14.9%0.0%

Poverty & households

ZIP 51331ZIP 51340
Poverty rate5.8%0.0%
Average household size1.791.74
Mean commute (minutes)1820
Median year structure built19941949

Full profiles

2
ZIP 51331 vs ZIP 51340: Compare Population & Demographics | US Census Data