ZIP Code 78390 has segments in 2 Counties (Aransas, San Patricio).
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 | 5,474 (100%) | 
| Population in Households | 5,456 (99.7%) | 
| Population in Families | 4,701 (85.9%) | 
| Population in Group Quarters1 | 18 ( 0.3%) | 
| Population Density | 30 | 
| Diversity Index2 | 76 | 
| INCOME | |
| Median Household Income | $62,837 | 
| Average Household Income | $74,477 | 
| % of Income for Mortgage4 | 15% | 
| Per Capita Income | $26,645 | 
| Wealth Index5 | 53 | 
| Socioeconomic Status Index6 | Low (41.5) | 
| HOUSING | |
|---|---|
| Total HU (Housing Units) | 2,353 (100%) | 
| Owner Occupied HU | 1,415 (60.1%) | 
| Renter Occupied HU | 542 (23.0%) | 
| Vacant Housing Units | 396 (16.8%) | 
| Median Home Value | $151,236 | 
| Average Home Value | $210,401 | 
| Housing Affordability Index3 | 133 | 
| HOUSEHOLDS | |
| Total Households | 1,957 | 
| Average Household Size | 2.79 | 
| Family Households | 1,408 | 
| Average Family Size | 3.00 | 
| GROWTH RATE / YEAR | 2020-2025 | 2025-2030 | 
|---|---|---|
| Population | 0.09% | 0.06% | 
| Households | 0.75% | 0.46% | 
| Families | 0.59% | |
| Median Household Income | 1.85% | |
| Per Capita Income | 2.15% | |
| Owner Occupied HU | 1.07% | 
The table below compares 78390 to the other 1,838 ZIP Codes in Texas 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 | # 1003 | 45th | 
| Population Density | # 1187 | 35th | 
| Median Household Income | # 1177 | 36th | 
| Housing Affordability Index | # 1554 | 85th | 
| Per Capita Income | # 1491 | 19th | 
| Diversity Index | # 645 | 65th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.