US Census Data

ZIP 51521 vs ZIP 51528

A side-by-side comparison of ZIP Code 51521 and ZIP Code 51528: population, income, housing, and more.

ZIP 51521 and ZIP 51528 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 51521 has the higher population (1,935 vs 604 in ZIP 51528). ZIP 51521 has the higher median household income ($71,715 vs $69,000 in ZIP 51528). ZIP 51521 has the higher median home value ($173,100 vs $135,400 in ZIP 51528).

Population, income & housing

ZIP 51521ZIP 51528
Population1,935604
Median age42.4 yrs52.1 yrs
Median household income$71,715$69,000
Median home value$173,100$135,400
Median gross rent$883$717
Housing units934262
Homeownership rate74.2%73.0%
Bachelor's degree or higher27.7%12.0%
Unemployment rate0.6%1.8%

Trends (ACS 5-year, 2019–2023)

ZIP 51521ZIP 51528
Population1,784 → 1,935 (+8.5%)741 → 604 (-18.5%)
Median household income$55,764 → $71,715 (+28.6%)$44,539 → $69,000 (+54.9%)
Median home value$130,200 → $173,100 (+32.9%)$77,500 → $135,400 (+74.7%)
Median gross rent$737 → $883 (+19.8%)$591 → $717 (+21.3%)

ZIP 51521

Population
1,7841,935
Median household income
$55,764$71,715
Median home value
$130,200$173,100
Median gross rent
$737$883

ZIP 51528

Population
741604
Median household income
$44,539$69,000
Median home value
$77,500$135,400
Median gross rent
$591$717

Age & race/ethnicity

Age distribution (share)

ZIP 51521ZIP 51528
Under 57.9%1.3%
5 to 1717.2%16.1%
18 to 248.5%11.1%
25 to 349.3%8.4%
35 to 4411.1%5.8%
45 to 5412.1%13.1%
55 to 6410.3%13.9%
65 to 7415.6%16.9%
75 and over8.0%13.4%

Race & ethnicity (share)

ZIP 51521ZIP 51528
White (non-Hispanic)96.5%83.9%
Black or African American0.0%0.0%
American Indian & Alaska Native0.1%0.0%
Asian0.4%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.5%0.3%
Two or more races1.8%6.8%
Hispanic or Latino0.7%8.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 51521ZIP 51528
No high school diploma5.5%8.6%
High school graduate30.5%49.3%
Some college or associate's36.3%30.1%
Bachelor's degree15.5%10.9%
Graduate or professional degree12.2%1.2%

Commute to work

How workers get to work (share)

ZIP 51521ZIP 51528
Drove alone90.6%78.1%
Carpooled5.6%2.6%
Public transit0.0%0.0%
Walked0.0%16.6%
Bicycle0.0%0.0%
Worked from home3.8%0.0%
Other means0.0%2.6%

Housing

Units in structure (share)

ZIP 51521ZIP 51528
1-unit, detached90.8%79.8%
1-unit, attached1.3%3.4%
2 to 4 units2.6%12.2%
5 to 19 units2.9%0.0%
20 or more units0.9%0.0%
Mobile home & other1.6%4.6%

Poverty & households

ZIP 51521ZIP 51528
Poverty rate10.5%10.1%
Average household size2.242.40
Mean commute (minutes)2219
Median year structure built19411960

Full profiles

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ZIP 51521 vs ZIP 51528: Compare Population & Demographics | US Census Data