Residential delivery area · Texas
ZIP Code 78243: San Antonio, TX
ZIP code 78243 uses the postal name San Antonio, Texas and lies entirely in Bexar County (Census 2020 ZIP-county file). About 230 people live there (Census Bureau, ACS 2020-2024), the least populous of San Antonio's 59 residential ZIP codes. Its land lies mostly outside any Census place; 3% is in small places.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- San Antonio · 59 residential ZIPs
- County
- Bexar County
- Metro area
- San Antonio-New Braunfels, TX
- House district
- TX-23 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 0.6 sq mi · 361 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 78243?
78243 centers on 29.371°, -98.593° and covers 0.6 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 78226, 78242, 78236.
The map draws ZIP code areas only. For the streets inside 78243, 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 78243 compare with the rest of San Antonio?
| Measure | 78243 | In San Antonio | In Bexar County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 232 | 59th of 59 | 77th of 78 | 1,721st of 1,990 |
| Median household income | – | not ranked | not ranked | not ranked |
| Median home value | – | not ranked | not ranked | not ranked |
78243's income and home value are not ranked: it has fewer than 1,000 residents (232). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 69% of 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 78243?
The 2020 Census counted 235 people in 78243; the ACS, which samples households over 2020-2024, estimates 232. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 232±29 (90% margin)
- 2020 Census count
- 235
- Households
- 0
- Median age
- 21.0
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 78243?
Of the 232 people the ACS estimates in 78243, 0.0% are under 18 and 0.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (53.9%), then Black (not Hispanic) (29.7%).
- Under 180.0%
- 18 to 64100.0%
- 65 and older0.0%
- White, not Hispanic53.9%
- Black, not Hispanic29.7%
- Hispanic or Latino14.2%
- Asian, not Hispanic2.2%
- Other or two or more0.0%
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 are homes worth in 78243?
- Median home value (owners' estimate)
- –
- Median gross rent
- –
- Homes owned by their occupants
- –
- Housing units
- 0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 78243?
13 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services10
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 78243?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78226 | San Antonio | 6,554 | $33k | 1.6 mi |
| 78242 | San Antonio | 36,168 | $51k | 1.7 mi |
| 78236 | Jbsa Lackland | 7,635 | $69k | 2.1 mi |
| 78211 | San Antonio | 30,857 | $55k | 2.4 mi (near) |
| 78227 | San Antonio | 44,035 | $52k | 3.1 mi (near) |
| 78237 | San Antonio | 37,379 | $43k | 3.8 mi (near) |
| 78225 | San Antonio | 13,104 | $47k | 4.2 mi (near) |
| 78224 | San Antonio | 22,232 | $60k | 5.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.