US Census Data

ZIP 51638 vs ZIP 51646

A side-by-side comparison of ZIP Code 51638 and ZIP Code 51646: population, income, housing, and more.

ZIP 51638 and ZIP 51646 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 51638 has the higher population (1,278 vs 751 in ZIP 51646). ZIP 51646 has the higher median household income ($70,568 vs $61,154 in ZIP 51638). ZIP 51638 has the higher median home value ($115,700 vs $103,400 in ZIP 51646).

Population, income & housing

ZIP 51638ZIP 51646
Population1,278751
Median age50.5 yrs42.0 yrs
Median household income$61,154$70,568
Median home value$115,700$103,400
Median gross rent$688$827
Housing units634330
Homeownership rate79.7%81.5%
Bachelor's degree or higher16.2%16.3%
Unemployment rate1.9%1.5%

Trends (ACS 5-year, 2019–2023)

ZIP 51638ZIP 51646
Population1,154 → 1,278 (+10.7%)860 → 751 (-12.7%)
Median household income$53,510 → $61,154 (+14.3%)$58,289 → $70,568 (+21.1%)
Median home value$81,700 → $115,700 (+41.6%)$78,900 → $103,400 (+31.1%)
Median gross rent$593 → $688 (+16.0%)$588 → $827 (+40.6%)

ZIP 51638

Population
1,1541,278
Median household income
$53,510$61,154
Median home value
$81,700$115,700
Median gross rent
$593$688

ZIP 51646

Population
860751
Median household income
$58,289$70,568
Median home value
$78,900$103,400
Median gross rent
$588$827

Age & race/ethnicity

Age distribution (share)

ZIP 51638ZIP 51646
Under 53.8%7.3%
5 to 1713.1%16.9%
18 to 249.6%8.7%
25 to 3410.6%11.1%
35 to 445.9%11.2%
45 to 5414.8%11.7%
55 to 6419.0%14.9%
65 to 7414.2%9.6%
75 and over9.1%8.7%

Race & ethnicity (share)

ZIP 51638ZIP 51646
White (non-Hispanic)85.6%94.7%
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 race3.1%0.9%
Two or more races1.0%2.8%
Hispanic or Latino10.3%1.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 51638ZIP 51646
No high school diploma6.4%8.1%
High school graduate41.7%37.5%
Some college or associate's35.7%38.1%
Bachelor's degree11.1%13.1%
Graduate or professional degree5.1%3.2%

Commute to work

How workers get to work (share)

ZIP 51638ZIP 51646
Drove alone84.0%77.9%
Carpooled5.7%13.8%
Public transit0.0%0.6%
Walked1.2%3.4%
Bicycle0.6%0.0%
Worked from home6.7%2.3%
Other means1.8%2.0%

Housing

Units in structure (share)

ZIP 51638ZIP 51646
1-unit, detached87.2%95.8%
1-unit, attached2.8%0.3%
2 to 4 units6.5%1.2%
5 to 19 units2.4%0.0%
20 or more units0.0%0.0%
Mobile home & other1.1%2.7%

Poverty & households

ZIP 51638ZIP 51646
Poverty rate9.4%9.3%
Average household size2.222.53
Mean commute (minutes)2819
Median year structure built19441946

Full profiles

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ZIP 51638 vs ZIP 51646: Compare Population & Demographics | US Census Data