ZIP 51531 vs ZIP 51540
A side-by-side comparison of ZIP Code 51531 and ZIP Code 51540: population, income, housing, and more.
ZIP 51531 and ZIP 51540 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 51531 has the higher population (943 vs 246 in ZIP 51540). ZIP 51540 has the higher median household income ($91,250 vs $58,929 in ZIP 51531). ZIP 51540 has the higher median home value ($156,300 vs $132,300 in ZIP 51531).
Population, income & housing
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| Population | 943 | 246 |
| Median age | 43.0 yrs | 50.8 yrs |
| Median household income | $58,929 | $91,250 |
| Median home value | $132,300 | $156,300 |
| Median gross rent | $643 | — |
| Housing units | 408 | 175 |
| Homeownership rate | 78.9% | 87.5% |
| Bachelor's degree or higher | 25.2% | 13.2% |
| Unemployment rate | 2.6% | 1.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| Population | 762 → 943 (+23.8%) | 380 → 246 (-35.3%) |
| Median household income | $61,250 → $58,929 (-3.8%) | $45,625 → $91,250 (+100.0%) |
| Median home value | $127,600 → $132,300 (+3.7%) | $109,900 → $156,300 (+42.2%) |
| Median gross rent | $534 → $643 (+20.4%) | — |
ZIP 51531
762943
$61,250$58,929
$127,600$132,300
$534$643
ZIP 51540
380246
$45,625$91,250
$109,900$156,300
Age & race/ethnicity
Age distribution (share)
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| Under 5 | 5.5% | 3.7% |
| 5 to 17 | 18.7% | 17.5% |
| 18 to 24 | 8.0% | 1.6% |
| 25 to 34 | 11.9% | 6.5% |
| 35 to 44 | 10.2% | 10.6% |
| 45 to 54 | 9.0% | 18.7% |
| 55 to 64 | 15.3% | 19.9% |
| 65 to 74 | 7.3% | 17.1% |
| 75 and over | 14.2% | 4.5% |
Race & ethnicity (share)
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| White (non-Hispanic) | 95.8% | 90.2% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 1.0% | 0.0% |
| Asian | 0.0% | 0.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 1.3% | 0.0% |
| Two or more races | 1.1% | 9.3% |
| Hispanic or Latino | 1.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| No high school diploma | 4.4% | 8.9% |
| High school graduate | 35.8% | 52.6% |
| Some college or associate's | 34.7% | 25.3% |
| Bachelor's degree | 16.9% | 13.2% |
| Graduate or professional degree | 8.3% | 0.0% |
Commute to work
How workers get to work (share)
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| Drove alone | 75.4% | 74.0% |
| Carpooled | 0.5% | 10.6% |
| Public transit | 0.5% | 0.0% |
| Walked | 10.3% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 12.6% | 15.4% |
| Other means | 0.7% | 0.0% |
Housing
Units in structure (share)
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| 1-unit, detached | 89.7% | 90.9% |
| 1-unit, attached | 3.2% | 0.0% |
| 2 to 4 units | 5.4% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 1.7% | 9.1% |
Poverty & households
| ZIP 51531 | ZIP 51540 | |
|---|---|---|
| Poverty rate | 9.5% | 0.8% |
| Average household size | 2.35 | 2.37 |
| Mean commute (minutes) | 23 | 30 |
| Median year structure built | 1938 | 1938 |