53121 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Wisconsin based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 53121 is White. The majority race/ethnicity attending public schools in 53121 is White. The current unemployment level in 53121 is 4.0%.
| Population | 18,868 |
| Population Growth Rate | 1.16% |
| Population Density | 166 People per Square Mile |
| Total Households | 7,187 |
| Percentage High Income Households | 2.2% |
| Median Household Income (2021) | $76,160 |
| Average Adjusted Gross Income (2021) | $529,100 |
| Current Unemployment Rate (May 2026) | 4.0% |
| Sales Tax Rate (2025) | 5.5% |
| Majority Race/Ethnicty | White - 88.73% |
| Public School Majority Race/Ethnicty | White - 81.17% |
53121 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 16,849 | 88.73% |
| Black | 121 | 0.64% |
| Hispanic | 1,882 | 9.91% |
| Asian | 32 | 0.17% |
| Native American | 106 | 0.56% |
| Hawaiian/Pac. Islander | 0 | 0% |
53121 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 2,961 | 83.22% |
| Black | 49 | 1.38% |
| Hispanic | 511 | 14.36% |
| Asian | 33 | 0.93% |
| Native American | 4 | 0.11% |
| Hawaiian/Pac. Islander | 0 | 0% |
53121 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,115 | 9.25% |
| Bachelor Degree | 2,391 | 19.84% |
| High School Diploma | 3,886 | 32.25% |
| No High School Diploma | 211 | 1.75% |
| GED or Alternate | 481 | 3.99% |
| 1 or More Years of College | 1,731 | 14.37% |
| Associates Degree | 1,289 | 10.7% |
| Masters Degree | 637 | 5.29% |
| Professional Degree | 198 | 1.64% |
| Doctorate Degree | 110 | 0.91% |