ZIP Code 52338 has segments in 2 Counties (Johnson, Linn).
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 | 3,472 (100%) | 
| Population in Households | 3,472 (100.0%) | 
| Population in Families | 3,119 (89.8%) | 
| Population in Group Quarters1 | 0 | 
| Population Density | 115 | 
| Diversity Index2 | 16 | 
| INCOME | |
| Median Household Income | $111,694 | 
| Average Household Income | $154,859 | 
| % of Income for Mortgage4 | 22% | 
| Per Capita Income | $59,633 | 
| Wealth Index5 | 164 | 
| Socioeconomic Status Index6 | High (65.4) | 
| HOUSING | |
|---|---|
| Total HU (Housing Units) | 1,386 (100%) | 
| Owner Occupied HU | 1,234 (89.0%) | 
| Renter Occupied HU | 103 ( 7.4%) | 
| Vacant Housing Units | 49 ( 3.5%) | 
| Median Home Value | $389,028 | 
| Average Home Value | $479,510 | 
| Housing Affordability Index3 | 99 | 
| HOUSEHOLDS | |
| Total Households | 1,337 | 
| Average Household Size | 2.60 | 
| Family Households | 1,066 | 
| Average Family Size | 3.00 | 
| GROWTH RATE / YEAR | 2020-2025 | 2025-2030 | 
|---|---|---|
| Population | 0.39% | 0.45% | 
| Households | 0.57% | 0.46% | 
| Families | 0.13% | |
| Median Household Income | 2.87% | |
| Per Capita Income | 2.85% | |
| Owner Occupied HU | 0.59% | 
The table below compares 52338 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 | # 179 | 81st | 
| Population Density | # 192 | 80th | 
| Median Household Income | # 36 | 96th | 
| Housing Affordability Index | # 207 | 21st | 
| Per Capita Income | # 37 | 96th | 
| Diversity Index | # 484 | 50th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.