ZIP Code 78023 has segments in 3 Counties (Bandera, Bexar, Medina).
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 | 30,353 (100%) | 
| Population in Households | 30,353 (100.0%) | 
| Population in Families | 27,121 (89.4%) | 
| Population in Group Quarters1 | 0 | 
| Population Density | 384 | 
| Diversity Index2 | 82 | 
| INCOME | |
| Median Household Income | $129,313 | 
| Average Household Income | $164,509 | 
| % of Income for Mortgage4 | 20% | 
| Per Capita Income | $56,583 | 
| Wealth Index5 | 155 | 
| Socioeconomic Status Index6 | Moderate (63.2) | 
| HOUSING | |
|---|---|
| Total HU (Housing Units) | 10,892 (100%) | 
| Owner Occupied HU | 8,764 (80.5%) | 
| Renter Occupied HU | 1,676 (15.4%) | 
| Vacant Housing Units | 452 ( 4.1%) | 
| Median Home Value | $417,994 | 
| Average Home Value | $464,820 | 
| Housing Affordability Index3 | 104 | 
| HOUSEHOLDS | |
| Total Households | 10,440 | 
| Average Household Size | 2.91 | 
| Family Households | 8,415 | 
| Average Family Size | 3.00 | 
| GROWTH RATE / YEAR | 2020-2025 | 2025-2030 | 
|---|---|---|
| Population | 0.24% | 1.87% | 
| Households | 0.75% | 2.32% | 
| Families | 2.09% | |
| Median Household Income | 1.88% | |
| Per Capita Income | 2.02% | |
| Owner Occupied HU | 2.11% | 
The table below compares 78023 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 | # 396 | 79th | 
| Population Density | # 707 | 62nd | 
| Median Household Income | # 76 | 96th | 
| Housing Affordability Index | # 1151 | 63rd | 
| Per Capita Income | # 175 | 91st | 
| Diversity Index | # 306 | 84th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.