Iowa Gazetteer
ZIP Code 52078 has segments in 2 Counties (Delaware, Dubuque).
The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 870 (100%) |
| Population Density | 21 per sq mi |
| Diversity Index1 | 6 |
INCOME | |
| Median Household Income | $97,778 |
| Per Capita Income | $35,127 |
| Median Home Value | $237,500 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 359 (100%) |
| Owner Occupied HU | 313 (87.2%) |
| Renter Occupied HU | 9 (2.5%) |
| Vacant Housing Units | 37 (10.3%) |
HOUSEHOLDS | |
| Total Households | 322 |
| Average Household Size | 2.69 |
| Family Households | 227 (70.5%) |
The table below compares 52078 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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 | # 23755 | 30th |
| Population Density | # 24765 | 27th |
| Median Household Income | # 6956 | 79th |
| Per Capita Income | # 18613 | 45th |
| Diversity Index | # 29422 | 13th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.
