ZIP 53121 vs ZIP 53128
A side-by-side comparison of ZIP Code 53121 and ZIP Code 53128: population, income, housing, and more.
ZIP 53121 and ZIP 53128 are ZIP Code areas in Wisconsin. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 53121 has the higher population (18,640 vs 8,985 in ZIP 53128). ZIP 53128 has the higher median household income ($90,343 vs $83,635 in ZIP 53121). ZIP 53121 has the higher median home value ($287,900 vs $232,700 in ZIP 53128).
Population, income & housing
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| Population | 18,640 | 8,985 |
| Median age | 43.1 yrs | 39.1 yrs |
| Median household income | $83,635 | $90,343 |
| Median home value | $287,900 | $232,700 |
| Median gross rent | $1,031 | $1,147 |
| Housing units | 8,397 | 4,053 |
| Homeownership rate | 73.2% | 89.9% |
| Bachelor's degree or higher | 32.6% | 18.5% |
| Unemployment rate | 1.4% | 5.4% |
Trends (ACS 5-year, 2019–2023)
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| Population | 18,949 → 18,640 (-1.6%) | 9,052 → 8,985 (-0.7%) |
| Median household income | $70,259 → $83,635 (+19.0%) | $68,668 → $90,343 (+31.6%) |
| Median home value | $204,600 → $287,900 (+40.7%) | $172,500 → $232,700 (+34.9%) |
| Median gross rent | $856 → $1,031 (+20.4%) | $1,097 → $1,147 (+4.6%) |
ZIP 53121
18,94918,640
$70,259$83,635
$204,600$287,900
$856$1,031
ZIP 53128
9,0528,985
$68,668$90,343
$172,500$232,700
$1,097$1,147
Age & race/ethnicity
Age distribution (share)
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| Under 5 | 4.6% | 5.3% |
| 5 to 17 | 15.9% | 17.9% |
| 18 to 24 | 7.7% | 9.5% |
| 25 to 34 | 11.8% | 12.9% |
| 35 to 44 | 12.2% | 12.0% |
| 45 to 54 | 12.1% | 11.5% |
| 55 to 64 | 15.8% | 16.2% |
| 65 to 74 | 12.6% | 11.1% |
| 75 and over | 7.3% | 3.5% |
Race & ethnicity (share)
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| White (non-Hispanic) | 83.8% | 83.3% |
| Black or African American | 0.8% | 0.0% |
| American Indian & Alaska Native | 0.3% | 0.0% |
| Asian | 0.6% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.1% | 0.1% |
| Two or more races | 3.6% | 2.8% |
| Hispanic or Latino | 10.9% | 13.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| No high school diploma | 5.9% | 8.8% |
| High school graduate | 28.3% | 38.9% |
| Some college or associate's | 33.2% | 33.8% |
| Bachelor's degree | 23.6% | 13.1% |
| Graduate or professional degree | 9.0% | 5.4% |
Commute to work
How workers get to work (share)
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| Drove alone | 78.3% | 82.9% |
| Carpooled | 11.0% | 4.3% |
| Public transit | 0.0% | 0.3% |
| Walked | 2.1% | 0.3% |
| Bicycle | 0.0% | 1.3% |
| Worked from home | 8.2% | 10.2% |
| Other means | 0.3% | 0.8% |
Housing
Units in structure (share)
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| 1-unit, detached | 72.1% | 90.5% |
| 1-unit, attached | 6.2% | 5.6% |
| 2 to 4 units | 6.0% | 2.5% |
| 5 to 19 units | 11.6% | 0.2% |
| 20 or more units | 2.6% | 0.2% |
| Mobile home & other | 1.5% | 1.0% |
Poverty & households
| ZIP 53121 | ZIP 53128 | |
|---|---|---|
| Poverty rate | 4.3% | 6.2% |
| Average household size | 2.40 | 2.74 |
| Mean commute (minutes) | 25 | 30 |
| Median year structure built | 1981 | 1979 |