Residential delivery area · Texas
ZIP Code 78245: San Antonio, TX
ZIP code 78245 uses the postal name San Antonio, Texas and lies entirely in Bexar County (Census 2020 ZIP-county file). About 96,000 people live there (Census Bureau, ACS 2020-2024), the most populous of San Antonio's 59 residential ZIP codes. Median household income is $90,029 (Census Bureau, ACS 2020-2024). By Census place, 16% of its land lies in San Antonio; 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Antonio · 59 residential ZIPs
- County
- Bexar County
- Census places
- San Antonio
- Metro area
- San Antonio-New Braunfels, TX
- House districts
- TX-23 (58%), TX-20 (42%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 35.2 sq mi · 2,724 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 78245?
78245 centers on 29.393°, -98.741° and covers 35.2 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 78252, 78253, 78227, 78251, 78039, 78009, 78238.
The map draws ZIP code areas only. For the streets inside 78245, 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 78245 compare with the rest of San Antonio?
| Measure | 78245 | In San Antonio | In Bexar County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 96,015 | 1st of 59 | 1st of 78 | 13th of 1,990 |
| Median household income | $90k | 12th of 50 | 20th of 65 | 319th of 1,172 |
| Median home value | $260k | 22nd of 54 | 30th of 67 | 482nd of 1,172 |
Its median household income is higher than in 73% of U.S. residential ZIP codes, and it is denser than 88% 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 78245?
The 2020 Census counted 93,031 people in 78245; the ACS, which samples households over 2020-2024, estimates 96,015. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 96,015
- 2020 Census count
- 93,031
- Households
- 31,639
- Median age
- 32.1
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 78245?
Of the 96,015 people the ACS estimates in 78245, 27.4% are under 18 and 9.0% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (63.2%), then White (not Hispanic) (18.4%).
- Under 1827.4%
- 18 to 6463.6%
- 65 and older9.0%
- Hispanic or Latino63.2%
- White, not Hispanic18.4%
- Black, not Hispanic11.7%
- Other or two or more4.0%
- Asian, not Hispanic2.7%
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 78245 earn?
Median household income is $90,029 (ACS 2020-2024), the 20th highest of the 65 ranked ZIP codes in Bexar County.
- Median household income
- $90,029
- Income per person
- $33,678
- Below the poverty line
- 9.2%
- Unemployed (of the labor force)
- 6.6%
- Adults 25+ with a bachelor's degree
- 25.2%
- Adjusted gross income per tax return, 2022
- $57,68746,550 returns; wages 85% 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 78245?
FHFA's house price index for 78245, built from repeat sales and appraisals of the same homes, rose 92% from 2015 to 2025 and rose 36% from 2020 to 2025, and moved −2.3% in 2025.
- Median home value (owners' estimate)
- $260,300
- Median gross rent
- $1,618
- Homes owned by their occupants
- 68.7%
- Housing units
- 33,173
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 78245?
567 business establishments had a location in this ZIP code in 2023, 176 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services84
- Retail trade83
- Health care and social assistance66
- Construction64
- Other services (except public administration)43
- Administrative and support and waste management and remediation services40
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 78245?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78252 | San Antonio | 21,790 | $86k | 5.0 mi |
| 78253 | San Antonio | 69,282 | $106k | 6.0 mi |
| 78227 | San Antonio | 44,035 | $52k | 6.1 mi |
| 78251 | San Antonio | 59,435 | $79k | 6.1 mi |
| 78039 | La Coste | 1,862 | $96k | 7.9 mi |
| 78009 | Castroville | 9,151 | $103k | 9.1 mi |
| 78238 | San Antonio | 26,032 | $58k | 9.2 mi |
| 78236 | Jbsa Lackland | 7,635 | $69k | 7.2 mi (near) |
| 78002 | Atascosa | 7,035 | $67k | 7.6 mi (near) |
| 78242 | San Antonio | 36,168 | $51k | 8.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.