51540 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 51540 is White. The majority race/ethnicity attending public schools in 51540 is White. The current unemployment level in 51540 is 3.3%.
| Population | 304 |
| Population Growth Rate | -18.40% |
| Population Density | 7 People per Square Mile |
| Total Households | 221 |
| Percentage High Income Households | 0.9% |
| Median Household Income (2021) | $58,750 |
| Average Adjusted Gross Income (2021) | $164,700 |
| Current Unemployment Rate (May 2026) | 3.3% |
| Sales Tax Rate (2025) | 7.0% |
| Majority Race/Ethnicty | White - 97.29% |
| Public School Majority Race/Ethnicty | White - 91.67% |
51540 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 287 | 97.29% |
| Black | 0 | 0% |
| Hispanic | 3 | 1.02% |
| Asian | 5 | 1.69% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
51540 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 209 | 94.57% |
| Black | 2 | 0.9% |
| Hispanic | 10 | 4.52% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
51540 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 24 | 7.14% |
| Bachelor Degree | 31 | 9.23% |
| High School Diploma | 172 | 51.19% |
| No High School Diploma | 4 | 1.19% |
| GED or Alternate | 23 | 6.85% |
| 1 or More Years of College | 39 | 11.61% |
| Associates Degree | 36 | 10.71% |
| Masters Degree | 7 | 2.08% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |