PlainZIP

San Antonio, TX · standard

ZIP Code 78251

Bexar County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

49,435
1,258/sq mi
$78,958
Median income
$268,300
Median home value
33.8%
Bachelor's or higher

The verdict

San Antonio pairs an above-median household income with above-median home values, in a low-density, mixed-tenure area.

Top 39%
household income, US ZIPs
Top 39%
home value, US ZIPs
1,258
people per sq mi
51%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78251 against every reporting US ZIP.

ZIP code 78251 is a densely settled ZIP (a standard USPS delivery area) in San Antonio, Bexar County, Texas, with 49,435 residents across 39.3 square miles, a density of 1,258 people per square mile, in the Chicago time zone.

ZIP 78251 lands in the middle-income range, with a median household income of $78,958 (4% above the Texas average), while per-capita income is $37,549. 8.7% of residents live below the poverty line, and the unemployment rate reads 7.5%. The typical home here is valued at $268,300 (8% above the state average); renters pay a median of $1,413 monthly, and 50.8% of units are owner-occupied.

A solid share of residents have a four-year degree: 33.8% of adults hold a bachelor's degree or higher, the median age is 33.2, and the average commute is 25 minutes. To put 78251 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Bexar County, for a geography-aware comparison.

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 78251

Top 5 sectors by establishment count in San Antonio, TX

Which industries have the most business establishments in ZIP 78251.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 78251, 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

49,435

Population

39.3

Area (sq mi)

1,258

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78251?

33.2

Median Age

48.2%

Male

51.8%

Female

9.1%

Foreign-Born

White 40.0%
African American 11.0%
Asian 2.8%
American Indian or Alaska Native 1.7%
Native Hawaiian or Pacific Islander 0.6%
Two or More Ethnicities 35.2%
Hispanic or Latino 61.9%

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?

$78,958

Median Household Income

+4% vs state

$37,549

Per Capita Income

8.7%

Poverty Rate

7.5%

Unemployment Rate

24.5 min

Mean Commute Time

How ZIP 78251 ranks nationally

San Antonio, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$78,958 Top 39% higher than 61% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 58.8%
Bachelor's Degree or Higher 33.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

23,491

Total Housing Units

22,275

Occupied Units

1,216

Vacant Units

2.66

Avg Household Size

Occupancy Type

Owner 50.8%
Renter 49.2%

$268,300

Median Home Value

+8% vs state

$1,413

Median Rent

2002

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.4%

YoY Change (2024)

306

HPI Index (2000 = 100)

+206%

Total Change Since 2000

Home values in ZIP 78251 have increased 4.4% over the past year (2024). Since 2000, this ZIP has seen +206% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.9% 211
2021 +15.3% 243
2022 +19.3% 290
2023 +0.9% 293
2024 +4.4% 306

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 968 business establishments in ZIP 78251, employing approximately 30,862 people with a combined annual payroll of $1,660,711,000.

968

Businesses

30,862

Employees

$1.7B

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 208 21.5%
Accommodation and food services 159 16.4%
Retail trade 136 14.1%
Finance and insurance 89 9.2%
Other services (except public administration) 85 8.8%
Real estate and rental and leasing 58 6.0%
Construction 56 5.8%
Professional, scientific, and technical services 51 5.3%
Administrative and support and waste management and remediation services 39 4.0%
Information 23 2.4%
Transportation and warehousing 19 2.0%
Wholesale trade 14 1.4%
Arts, entertainment, and recreation 11 1.1%
Manufacturing 9 0.9%
Educational services 9 0.9%

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 78251 vs 78250 →

ZIP 78251 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78251 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78251 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78251 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78250 San Antonio, TX 54,903 2.9 mi
78238 San Antonio, TX 23,514 3.5 mi
78227 San Antonio, TX 46,077 4.8 mi
78228 San Antonio, TX 58,811 6.3 mi
78245 San Antonio, TX 56,511 5.2 mi
78236 Jbsa Lackland, TX 10,392 6.1 mi
78253 San Antonio, TX 29,007 6.9 mi
78240 San Antonio, TX 51,111 6.0 mi
78254 San Antonio, TX 44,817 6.4 mi
78229 San Antonio, TX 28,804 6.9 mi

More ZIP Codes in Bexar County

78228 standard
San Antonio, TX
Pop: 58,811
78245 standard
San Antonio, TX
Pop: 56,511
78207 standard
San Antonio, TX
Pop: 55,514
78250 standard
San Antonio, TX
Pop: 54,903
78240 standard
San Antonio, TX
Pop: 51,111
78223 standard
San Antonio, TX
Pop: 50,637

Related Areas

Bexar County San Antonio, TX Texas

Frequently Asked Questions

What county is ZIP code 78251 in? ▼
ZIP code 78251 (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 78251? ▼
ZIP code 78251 in San Antonio, TX has a population of 49,435 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78251? ▼
The median household income in ZIP 78251 is $78,958, which is 3% above the national average of $76,288.
What is the average home value in ZIP 78251? ▼
The median home value in ZIP 78251 is $268,300, which is 4% below the national average of $278,155.
What is the demographic makeup of ZIP 78251? ▼
The largest racial group in ZIP 78251 is White at 40.0%. Hispanic or Latino residents make up 61.9% of the population.
How many businesses are in ZIP code 78251? ▼
ZIP code 78251 has 968 business establishments employing approximately 30,862 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78251? ▼
The top industries by establishment count in ZIP 78251 are: Health care and social assistance (208), Accommodation and food services (159), Retail trade (136). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 78251? ▼
According to the FHFA House Price Index, home values in ZIP 78251 increased by 4.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 206%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78251? ▼
In ZIP code 78251, 58.8% of residents aged 25+ have a high school diploma or higher, and 33.8% 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 78251? ▼
The mean commute time for workers in ZIP code 78251 is 24.5 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 78251? ▼
In ZIP code 78251, approximately 50.8% of occupied housing units are owner-occupied and 49.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78251? ▼
The poverty rate in ZIP code 78251 is 8.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.