ZIP Code 50148 has segments in 2 Counties (Grundy, Marshall).
The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 344 (100%) |
| Population in Households | 344 (100.0%) |
| Population in Families | 286 (83.1%) |
| Population in Group Quarters1 | 0 |
| Population Density | 18 |
| Diversity Index2 | 16 |
INCOME | |
| Median Household Income | $87,018 |
| Average Household Income | $106,550 |
| % of Income for Mortgage4 | 19% |
| Per Capita Income | $48,319 |
| Wealth Index5 | 103 |
| Socioeconomic Status Index6 | Moderate (64.4) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 171 (100%) |
| Owner Occupied HU | 128 (74.9%) |
| Renter Occupied HU | 28 (16.4%) |
| Vacant Housing Units | 15 ( 8.8%) |
| Median Home Value | $265,625 |
| Average Home Value | $371,680 |
| Housing Affordability Index3 | 110 |
HOUSEHOLDS | |
| Total Households | 156 |
| Average Household Size | 2.21 |
| Family Households | 105 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | -3.24% | -0.12% |
| Households | -0.36% | -0.13% |
| Families | 0.75% | |
| Median Household Income | 1.47% | |
| Per Capita Income | 2.18% | |
| Owner Occupied HU | 0.46% |
The table below compares 50148 to the other 964 ZIP Codes in Iowa by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 774 | 20th |
| Population Density | # 564 | 42nd |
| Median Household Income | # 233 | 76th |
| Housing Affordability Index | # 322 | 33rd |
| Per Capita Income | # 146 | 85th |
| Diversity Index | # 521 | 46th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.