US Census Data

ZIP 50831 vs ZIP 50840

A side-by-side comparison of ZIP Code 50831 and ZIP Code 50840: population, income, housing, and more.

ZIP 50831 and ZIP 50840 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 50840 has the higher population (659 vs 23 in ZIP 50831). ZIP 50840 has the higher median household income ($76,161 vs $61,250 in ZIP 50831). Since 2019, ZIP 50840's population has grown faster (+16.0% vs -4.2%).

Population, income & housing

ZIP 50831ZIP 50840
Population23659
Median age62.4 yrs44.6 yrs
Median household income$61,250$76,161
Median home value$147,100
Median gross rent$650
Housing units9339
Homeownership rate88.9%76.8%
Bachelor's degree or higher27.8%14.7%
Unemployment rate0.0%6.2%

Trends (ACS 5-year, 2019–2023)

ZIP 50831ZIP 50840
Population24 → 23 (-4.2%)568 → 659 (+16.0%)
Median household income$58,750 → $61,250 (+4.3%)$62,188 → $76,161 (+22.5%)
Median home value$80,000 → $147,100 (+83.9%)
Median gross rent$750 → $650 (-13.3%)

ZIP 50831

Population
2423
Median household income
$58,750$61,250

ZIP 50840

Population
568659
Median household income
$62,188$76,161
Median home value
$80,000$147,100
Median gross rent
$750$650

Age & race/ethnicity

Age distribution (share)

ZIP 50831ZIP 50840
Under 50.0%5.0%
5 to 1717.4%17.3%
18 to 244.3%8.5%
25 to 340.0%3.6%
35 to 444.3%16.8%
45 to 548.7%6.5%
55 to 6430.4%9.3%
65 to 7426.1%13.2%
75 and over8.7%19.7%

Race & ethnicity (share)

ZIP 50831ZIP 50840
White (non-Hispanic)87.0%96.8%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race13.0%0.0%
Two or more races0.0%2.0%
Hispanic or Latino0.0%1.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 50831ZIP 50840
No high school diploma11.1%6.4%
High school graduate38.9%53.9%
Some college or associate's22.2%25.0%
Bachelor's degree27.8%14.0%
Graduate or professional degree0.0%0.7%

Commute to work

How workers get to work (share)

ZIP 50831ZIP 50840
Drove alone55.6%83.3%
Carpooled11.1%10.5%
Public transit0.0%0.0%
Walked0.0%1.4%
Bicycle0.0%0.0%
Worked from home0.0%4.9%
Other means33.3%0.0%

Housing

Units in structure (share)

ZIP 50831ZIP 50840
1-unit, detached77.8%87.6%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.6%
5 to 19 units0.0%0.3%
20 or more units0.0%0.0%
Mobile home & other22.2%11.5%

Poverty & households

ZIP 50831ZIP 50840
Poverty rate4.3%12.8%
Average household size2.562.16
Mean commute (minutes)22
Median year structure built19531947

Full profiles

2
ZIP 50831 vs ZIP 50840: Compare Population & Demographics | US Census Data