ZIP Code 51027 has segments in 2 Counties (Plymouth, Sioux).
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 | 1,209 (100%) |
| Population in Households | 1,209 (100.0%) |
| Population in Families | 1,094 (90.5%) |
| Population in Group Quarters1 | 0 |
| Population Density | 15 |
| Diversity Index2 | 26 |
INCOME | |
| Median Household Income | $97,920 |
| Average Household Income | $115,673 |
| % of Income for Mortgage4 | 19% |
| Per Capita Income | $40,376 |
| Wealth Index5 | 112 |
| Socioeconomic Status Index6 | Moderate (58.1) |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 467 (100%) |
| Owner Occupied HU | 369 (79.0%) |
| Renter Occupied HU | 53 (11.3%) |
| Vacant Housing Units | 45 ( 9.6%) |
| Median Home Value | $290,714 |
| Average Home Value | $434,289 |
| Housing Affordability Index3 | 120 |
HOUSEHOLDS | |
| Total Households | 422 |
| Average Household Size | 2.86 |
| Family Households | 320 |
| Average Family Size | 3.00 |
GROWTH RATE / YEAR |
2020-2025 | 2025-2030 |
|---|---|---|
| Population | 0.03% | 0.15% |
| Households | -0.09% | 0.00% |
| Families | 0.19% | |
| Median Household Income | 2.63% | |
| Per Capita Income | 1.96% | |
| Owner Occupied HU | 0.27% |
The table below compares 51027 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 | # 409 | 58th |
| Population Density | # 658 | 32nd |
| Median Household Income | # 121 | 88th |
| Housing Affordability Index | # 431 | 45th |
| Per Capita Income | # 440 | 54th |
| Diversity Index | # 213 | 78th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.