Residential delivery area · Texas
ZIP Code 78266: San Antonio, TX
ZIP code 78266 uses the postal name San Antonio, Texas and lies mostly in Comal County (80% of its land) with the rest in Bexar County (Census 2020 ZIP-county file). About 7,300 people live there (Census Bureau, ACS 2020-2024), the 51st most populous of San Antonio's 59 residential ZIP codes. Median household income is $146,792 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Garden Ridge (17%) and San Antonio (13%); 71% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Antonio · 59 residential ZIPs
- County
- Comal County (80%); Bexar County (20%)
- Census places
- Garden Ridge (17%); San Antonio (13%)
- Metro area
- San Antonio-New Braunfels, TX
- House district
- TX-21 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 39.7 sq mi · 185 people per sq mi
- PO Box ZIPs
- 24 more ZIP codes use the name San Antonio for PO boxes or single organizations
Where is ZIP code 78266?
78266 centers on 29.650°, -98.338° and covers 39.7 square miles of land plus 0.3 of water. It borders 7 ZIP codes: 78261, 78259, 78247, 78233, 78154, 78163, 78132.
The map draws ZIP code areas only. For the streets inside 78266, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 78266 compare with the rest of San Antonio?
| Measure | 78266 | In San Antonio | In Comal County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 7,338 | 51st of 59 | 11th of 13 | 908th of 1,990 |
| Median household income | $147k | 4th of 50 | 2nd of 12 | 45th of 1,172 |
| Median home value | $587k | 2nd of 54 | 2nd of 13 | 64th of 1,172 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 62% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 78266?
The 2020 Census counted 7,534 people in 78266; the ACS, which samples households over 2020-2024, estimates 7,338. Between the 2010 and 2020 censuses its population grew 34.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 7,338
- 2020 Census count
- 7,534+34.8% since 2010 (5,591)
- Households
- 2,651
- Median age
- 49.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 78266?
Of the 7,338 people the ACS estimates in 78266, 18.8% are under 18 and 20.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (47.9%), then Hispanic or Latino (35.7%).
- Under 1818.8%
- 18 to 6461.1%
- 65 and older20.1%
- White, not Hispanic47.9%
- Hispanic or Latino35.7%
- Black, not Hispanic12.7%
- Other or two or more2.8%
- Asian, not Hispanic0.9%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 78266 earn?
Median household income is $146,792 (ACS 2020-2024), the 2nd highest of the 12 ranked ZIP codes in Comal County. It is not measurably different from 2015-2019 ($150,867 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $146,792±$19,731
- Income per person
- $71,737
- Below the poverty line
- 1.6%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 60.1%
- Adjusted gross income per tax return, 2022
- $147,4054,180 returns; wages 55% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 78266?
FHFA's house price index for 78266, built from repeat sales and appraisals of the same homes, rose 86% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +3.9% in 2025.
- Median home value (owners' estimate)
- $586,600
- Median gross rent
- $2,306
- Homes owned by their occupants
- 94.3%
- Housing units
- 2,796
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 78266?
288 business establishments had a location in this ZIP code in 2023, 23 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction59
- Professional, scientific, and technical services34
- Real estate and rental and leasing24
- Health care and social assistance22
- Other services (except public administration)22
- Retail trade20
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 78266?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78261 | San Antonio | 26,657 | $148k | 4.7 mi |
| 78259 | San Antonio | 29,826 | $114k | 5.3 mi |
| 78247 | San Antonio | 51,933 | $91k | 6.4 mi |
| 78233 | San Antonio | 48,911 | $76k | 6.8 mi |
| 78154 | Schertz | 41,907 | $101k | 8.5 mi |
| 78163 | Bulverde | 19,141 | $141k | 10.2 mi |
| 78132 | New Braunfels | 40,953 | $135k | 11.6 mi |
| 78148 | Universal City | 22,187 | $75k | 7.8 mi (near) |
| 78150 | Jbsa Randolph | 0 | – | 8.5 mi (near) |
| 78217 | San Antonio | 34,055 | $61k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.