84121 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Utah based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 84121 is White. The majority race/ethnicity attending public schools in 84121 is White. The current unemployment level in 84121 is 3.5%.
| Population | 39,759 |
| Population Growth Rate | -1.26% |
| Population Density | 520 People per Square Mile |
| Total Households | 15,385 |
| Percentage High Income Households | 9.5% |
| Median Household Income (2021) | $101,636 |
| Average Adjusted Gross Income (2021) | $986,860 |
| Current Unemployment Rate (September 2025) | 3.5% |
| Sales Tax Rate (2025) | 8.6% |
| Majority Race/Ethnicty | White - 90.73% |
| Public School Majority Race/Ethnicty | White - 70.09% |
84121 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 36,498 | 90.39% |
| Black | 245 | 0.61% |
| Hispanic | 2,357 | 5.84% |
| Asian | 1,003 | 2.48% |
| Native American | 126 | 0.31% |
| Hawaiian/Pac. Islander | 151 | 0.37% |
84121 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 5,545 | 74.27% |
| Black | 211 | 2.83% |
| Hispanic | 1,213 | 16.25% |
| Asian | 293 | 3.92% |
| Native American | 79 | 1.06% |
| Hawaiian/Pac. Islander | 125 | 1.67% |
84121 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,575 | 5.76% |
| Bachelor Degree | 8,135 | 29.76% |
| High School Diploma | 4,506 | 16.49% |
| No High School Diploma | 478 | 1.75% |
| GED or Alternate | 343 | 1.25% |
| 1 or More Years of College | 5,725 | 20.95% |
| Associates Degree | 2,363 | 8.65% |
| Masters Degree | 2,732 | 10% |
| Professional Degree | 921 | 3.37% |
| Doctorate Degree | 554 | 2.03% |