51638 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 51638 is White. The majority race/ethnicity attending public schools in 51638 is White. The current unemployment level in 51638 is 3.3%.
| Population | 1,350 |
| Population Growth Rate | -2.12% |
| Population Density | 16 People per Square Mile |
| Total Households | 589 |
| Percentage High Income Households | 4.4% |
| Median Household Income (2021) | $50,375 |
| Average Adjusted Gross Income (2021) | $368,300 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7.0% |
| Majority Race/Ethnicty | White - 90.78% |
| Public School Majority Race/Ethnicty | White - 93.16% |
51638 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,182 | 90.78% |
| Black | 0 | 0% |
| Hispanic | 120 | 9.22% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
51638 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 177 | 95.68% |
| Black | 1 | 0.54% |
| Hispanic | 6 | 3.24% |
| Asian | 0 | 0% |
| Native American | 1 | 0.54% |
| Hawaiian/Pac. Islander | 0 | 0% |
51638 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 82 | 8.76% |
| Bachelor Degree | 122 | 13.03% |
| High School Diploma | 364 | 38.89% |
| No High School Diploma | 8 | 0.85% |
| GED or Alternate | 37 | 3.95% |
| 1 or More Years of College | 175 | 18.7% |
| Associates Degree | 82 | 8.76% |
| Masters Degree | 49 | 5.24% |
| Professional Degree | 14 | 1.5% |
| Doctorate Degree | 3 | 0.32% |