51031 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 51031 is White. The majority race/ethnicity attending public schools in 51031 is White. The current unemployment level in 51031 is 3.3%.
| Population | 12,595 |
| Population Growth Rate | 0.00% |
| Population Density | 53 People per Square Mile |
| Total Households | 4,975 |
| Percentage High Income Households | 1.8% |
| Median Household Income (2021) | $70,727 |
| Average Adjusted Gross Income (2021) | $461,180 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7.0% |
| Majority Race/Ethnicty | White - 90.19% |
| Public School Majority Race/Ethnicty | White - 75.31% |
51031 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 11,437 | 89.69% |
| Black | 360 | 2.82% |
| Hispanic | 806 | 6.32% |
| Asian | 49 | 0.38% |
| Native American | 29 | 0.23% |
| Hawaiian/Pac. Islander | 71 | 0.56% |
51031 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 1,678 | 77.83% |
| Black | 89 | 4.13% |
| Hispanic | 336 | 15.58% |
| Asian | 7 | 0.32% |
| Native American | 18 | 0.83% |
| Hawaiian/Pac. Islander | 28 | 1.3% |
51031 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 699 | 9.04% |
| Bachelor Degree | 1,110 | 14.35% |
| High School Diploma | 3,028 | 39.15% |
| No High School Diploma | 88 | 1.14% |
| GED or Alternate | 206 | 2.66% |
| 1 or More Years of College | 1,349 | 17.44% |
| Associates Degree | 745 | 9.63% |
| Masters Degree | 353 | 4.56% |
| Professional Degree | 82 | 1.06% |
| Doctorate Degree | 75 | 0.97% |