San Antonio, TX · standard
ZIP Code 78243
Bexar County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 235
- 195/sq mi High-density area
- 0.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
San Antonio has 235 residents, placing it in the 10th percentile of the 33,099 US ZIP codes with a reported population, at 195 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 78243 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 78243 is a sparsely populated ZIP (a standard USPS delivery area) in San Antonio, Bexar County, Texas, home to just 235 residents across 1.2 square miles, a density of 195 people per square mile, in the Chicago time zone.
Median household income is not on file for ZIP 78243, but per-capita income is $24,322. The poverty rate is -, with unemployment at 0.0%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 21, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Bexar County, so 78243 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78243, San Antonio, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
235
Population
1.2
Area (sq mi)
195
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78243?
21.0
Median Age
74.6%
Male
25.4%
Female
2.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$24,322
Per Capita Income
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 13 business establishments in ZIP 78243, employing approximately 85 people with a combined annual payroll of $9,321,000.
13
Businesses
85
Employees
$9.3M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 10 | 76.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 78243 vs 78242 →
ZIP 78243 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78228
San Antonio (78228)
58,811 residents
- 78207
San Antonio (78207)
55,514 residents
- 78227
San Antonio (78227)
46,077 residents
- 78237
San Antonio (78237)
36,929 residents
- 78211
San Antonio (78211)
31,944 residents
- 78242
San Antonio (78242)
31,395 residents
- 78238 23,514
San Antonio (78238)
23,514 residents
- 78225 13,025
San Antonio (78225)
13,025 residents
- 78236 10,392
Jbsa Lackland (78236)
10,392 residents
What this shows Among its immediate neighbors, ZIP 78243 ranks #0 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 78242 | San Antonio, TX | 31,395 | 1.6 mi |
| 78226 | San Antonio, TX | 6,648 | 1.8 mi |
| 78236 | Jbsa Lackland, TX | 10,392 | 3.0 mi |
| 78211 | San Antonio, TX | 31,944 | 2.6 mi |
| 78227 | San Antonio, TX | 46,077 | 3.2 mi |
| 78237 | San Antonio, TX | 36,929 | 3.8 mi |
| 78225 | San Antonio, TX | 13,025 | 4.3 mi |
| 78228 | San Antonio, TX | 58,811 | 6.3 mi |
| 78207 | San Antonio, TX | 55,514 | 5.5 mi |
| 78238 | San Antonio, TX | 23,514 | 7.0 mi |
More ZIP Codes in Bexar County
Related Areas
Frequently Asked Questions
What county is ZIP code 78243 in?
ZIP code 78243 (San Antonio) is located in Bexar County, Texas. Bexar County contains multiple ZIP codes, see the full list at /counties/bexar-tx.
What is the population of ZIP code 78243?
ZIP code 78243 in San Antonio, TX has a population of 235 according to the Census Bureau ACS 2023 estimates.
What is the demographic makeup of ZIP 78243?
The largest racial group in ZIP 78243 is White at 56.5%. Hispanic or Latino residents make up 14.2% of the population.
How many businesses are in ZIP code 78243?
ZIP code 78243 has 13 business establishments employing approximately 85 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
Related
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What to do with ZIP 78243's numbers, next.
- See how ZIP 78243 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where San Antonio, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.