ZIP 51631 vs ZIP 51638
A side-by-side comparison of ZIP Code 51631 and ZIP Code 51638: population, income, housing, and more.
ZIP 51631 and ZIP 51638 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 331 in ZIP 51631). ZIP 51638 has the higher median household income ($61,154 vs $45,000 in ZIP 51631). ZIP 51631 has the higher median home value ($123,800 vs $115,700 in ZIP 51638).
Population, income & housing
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| Population | 331 | 1,278 |
| Median age | 60.0 yrs | 50.5 yrs |
| Median household income | $45,000 | $61,154 |
| Median home value | $123,800 | $115,700 |
| Median gross rent | $853 | $688 |
| Housing units | 209 | 634 |
| Homeownership rate | 78.1% | 79.7% |
| Bachelor's degree or higher | 8.8% | 16.2% |
| Unemployment rate | 0.6% | 1.9% |
Trends (ACS 5-year, 2019–2023)
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| Population | 290 → 331 (+14.1%) | 1,154 → 1,278 (+10.7%) |
| Median household income | $41,316 → $45,000 (+8.9%) | $53,510 → $61,154 (+14.3%) |
| Median home value | $99,200 → $123,800 (+24.8%) | $81,700 → $115,700 (+41.6%) |
| Median gross rent | $706 → $853 (+20.8%) | $593 → $688 (+16.0%) |
ZIP 51631
290331
$41,316$45,000
$99,200$123,800
$706$853
ZIP 51638
1,1541,278
$53,510$61,154
$81,700$115,700
$593$688
Age & race/ethnicity
Age distribution (share)
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| Under 5 | 2.7% | 3.8% |
| 5 to 17 | 7.3% | 13.1% |
| 18 to 24 | 3.9% | 9.6% |
| 25 to 34 | 10.6% | 10.6% |
| 35 to 44 | 13.3% | 5.9% |
| 45 to 54 | 9.7% | 14.8% |
| 55 to 64 | 16.3% | 19.0% |
| 65 to 74 | 23.3% | 14.2% |
| 75 and over | 13.0% | 9.1% |
Race & ethnicity (share)
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| White (non-Hispanic) | 95.2% | 85.6% |
| Black or African American | 2.1% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 3.1% |
| Two or more races | 2.1% | 1.0% |
| Hispanic or Latino | 0.6% | 10.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| No high school diploma | 2.5% | 6.4% |
| High school graduate | 34.4% | 41.7% |
| Some college or associate's | 54.4% | 35.7% |
| Bachelor's degree | 7.7% | 11.1% |
| Graduate or professional degree | 1.1% | 5.1% |
Commute to work
How workers get to work (share)
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| Drove alone | 73.2% | 84.0% |
| Carpooled | 17.2% | 5.7% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 1.2% |
| Bicycle | 0.0% | 0.6% |
| Worked from home | 9.6% | 6.7% |
| Other means | 0.0% | 1.8% |
Housing
Units in structure (share)
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| 1-unit, detached | 92.8% | 87.2% |
| 1-unit, attached | 0.0% | 2.8% |
| 2 to 4 units | 0.0% | 6.5% |
| 5 to 19 units | 0.0% | 2.4% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 7.2% | 1.1% |
Poverty & households
| ZIP 51631 | ZIP 51638 | |
|---|---|---|
| Poverty rate | 14.7% | 9.4% |
| Average household size | 1.86 | 2.22 |
| Mean commute (minutes) | 25 | 28 |
| Median year structure built | 1944 | 1944 |