San Antonio, TX · standard
ZIP Code 78203
Bexar County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,099
- 1,832/sq mi High-density area
- $35,536
- Median income Below-median income area
- $158,000
- Median home value Below-median home value
- 10.8%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
San Antonio pairs one of the lowest household incomes in the country with below-median home values, in a low-density, mixed-tenure area.
- 3rd pct
- household income, US ZIPs
- 29th pct
- home value, US ZIPs
- 1,832
- people per sq mi
- 45%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78203 against every reporting US ZIP.
ZIP code 78203 is a mid-sized community (a standard USPS delivery area) in San Antonio, Bexar County, Texas, home to 6,099 residents across 3.3 square miles, a density of 1,832 people per square mile, in the Chicago time zone.
ZIP 78203 sits on the lower end of the income spectrum: median household income is $35,536 (53% below the average Texas ZIP), while per-capita income is $18,976. The poverty rate is 39.1%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $158,000 (36% below the average Texas ZIP), and median rent is $1,051; owner occupancy is 45.1%.
Formal educational attainment runs low here: just 10.8% of adults hold a bachelor's degree or higher, the median age is 33.4, and the average commute is 22 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Bexar County, so 78203 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 →
Top industries in ZIP 78203
Top 5 sectors by establishment count in San Antonio, TX
Which industries have the most business establishments in ZIP 78203.
- Other services (except public administration)
Other services (except public administration)
23 establishments
- Accommodation and food services
Accommodation and food services
17 establishments
- Retail trade 8
Retail trade
8 establishments
- Health care and social assistance 5
Health care and social assistance
5 establishments
- Construction 4
Construction
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
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 78203, 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
6,099
Population
3.3
Area (sq mi)
1,832
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78203?
33.4
Median Age
46.4%
Male
53.6%
Female
17.8%
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?
$35,536
Median Household Income
-53% vs state ZIP avg
$18,976
Per Capita Income
39.1%
Poverty Rate
6.2%
Unemployment Rate
22.1 min
Mean Commute Time
How ZIP 78203 ranks among Texas ZIPs
San Antonio, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$35,536 3rd percentile higher than 3% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
2,392housing units
2,392
Total Housing Units
1,802
Occupied Units
590
Vacant Units
2.81
Avg Household Size
Occupancy Type
$158,000
Median Home Value
-36% vs state ZIP avg
$1,051
Median Rent
1953
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 78 business establishments in ZIP 78203, employing approximately 805 people with a combined annual payroll of $38,358,000.
78
Businesses
805
Employees
$38.4M
Annual Payroll
8
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Other services (except public administration) | 23 | 29.5% |
| Accommodation and food services | 17 | 21.8% |
| Retail trade | 8 | 10.3% |
| Health care and social assistance | 5 | 6.4% |
| Construction | 4 | 5.1% |
| Wholesale trade | 4 | 5.1% |
| Administrative and support and waste management and remediation services | 4 | 5.1% |
| Arts, entertainment, and recreation | 3 | 3.9% |
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 78203 vs 78202 →
ZIP 78203 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78207
San Antonio (78207)
55,514 residents
- 78209
San Antonio (78209)
39,197 residents
- 78210
San Antonio (78210)
36,865 residents
- 78220 15,965
San Antonio (78220)
15,965 residents
- 78202 11,691
San Antonio (78202)
11,691 residents
- 78204 11,125
San Antonio (78204)
11,125 residents
- 78234 7,126
Jbsa Ft Sam Houston (78234)
7,126 residents
- 78203 6,099
San Antonio (78203)
6,099 residents
- 78208 3,736
San Antonio (78208)
3,736 residents
What this shows Among its immediate neighbors, ZIP 78203 ranks #8 by population - useful context the national average alone can't give.
ZIP 78203 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78234
Jbsa Ft Sam Houston (78234)
$100,662 median income
- 78209
San Antonio (78209)
$86,514 median income
- 78215
San Antonio (78215)
$84,437 median income
- 78204
San Antonio (78204)
$60,255 median income
- 78210
San Antonio (78210)
$55,028 median income
- 78202
San Antonio (78202)
$47,478 median income
- 78220
San Antonio (78220)
$41,710 median income
- 78205 $38,964
San Antonio (78205)
$38,964 median income
- 78203 $35,536
San Antonio (78203)
$35,536 median income
What this shows By household income, ZIP 78203 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 78202 | San Antonio, TX | 11,691 | 0.9 mi |
| 78210 | San Antonio, TX | 36,865 | 1.4 mi |
| 78208 | San Antonio, TX | 3,736 | 1.7 mi |
| 78205 | San Antonio, TX | 1,453 | 1.7 mi |
| 78215 | San Antonio, TX | 1,150 | 2.2 mi |
| 78204 | San Antonio, TX | 11,125 | 2.8 mi |
| 78234 | Jbsa Ft Sam Houston, TX | 7,126 | 3.4 mi |
| 78220 | San Antonio, TX | 15,965 | 4.0 mi |
| 78207 | San Antonio, TX | 55,514 | 4.0 mi |
| 78209 | San Antonio, TX | 39,197 | 5.1 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 78203, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,099 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Bexar County
Related Areas
Frequently Asked Questions
What county is ZIP code 78203 in?
ZIP code 78203 (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 78203?
ZIP code 78203 in San Antonio, TX has a population of 6,099 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78203?
The median household income in ZIP 78203 is $35,536, which is 53% below the national average of $76,288.
What is the average home value in ZIP 78203?
The median home value in ZIP 78203 is $158,000, which is 43% below the national average of $278,155.
What is the demographic makeup of ZIP 78203?
The largest racial group in ZIP 78203 is Two or More Ethnicities at 39.0%. Hispanic or Latino residents make up 85.7% of the population.
How many businesses are in ZIP code 78203?
ZIP code 78203 has 78 business establishments employing approximately 805 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78203?
The top industries by establishment count in ZIP 78203 are: Other services (except public administration) (23), Accommodation and food services (17), Retail trade (8). There are 8 industry sectors represented in total.
What is the education level in ZIP code 78203?
In ZIP code 78203, 42.2% of residents aged 25+ have a high school diploma or higher, and 10.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78203?
The mean commute time for workers in ZIP code 78203 is 22.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78203?
In ZIP code 78203, approximately 45.1% of occupied housing units are owner-occupied and 54.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78203?
The poverty rate in ZIP code 78203 is 39.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 78203's numbers, next.
- See how ZIP 78203 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
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.