78233 ZIP Code — San Antonio, TX
Bexar County, Texas
ZIP code 78233 is located in San Antonio, Texas, within Bexar County. It covers approximately 13.67 square miles and serves a population of 47,172 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.
About ZIP code 78233
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $185,800. Owner-occupancy sits near the national average at 60%.
Median household income is $68,157.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
17% of residents lack health insurance, above the national average.
Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.
47,172
population
13.67
sq mi land
Standard
ZIP type
Central (CT)
timezone
78233 ZIP code map
Cities in ZIP code 78233
Below are the cities the US Postal Service accepts for ZIP code 78233. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| San Antonio | Acceptable |
| San Antonio | Preferred |
Nearby ZIP codes
78239 San Antonio (2.7 mi)
78247 San Antonio (2.9 mi)
78217 San Antonio (3.7 mi)
78148 Universal City (3.9 mi)
78284 San Antonio (4.2 mi)
78218 San Antonio (5 mi)
78154 Schertz (5.3 mi)
78244 San Antonio (5.6 mi)
78150 Jbsa Randolph (5.6 mi)
78259 San Antonio (5.9 mi)
78232 San Antonio (6.8 mi)
78216 San Antonio (7.2 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 47,172 |
| Population density | 3,451 / sq mi |
| State FIPS | 48 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 13.67 sq mi |
| Water area | 0.10 sq mi |
| Latitude | 29.5567 |
| Longitude | -98.3649 |
| Timezone | Central (CT) |
| Area code | 210 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 38.5% | 43.3% | 39.5% |
| $50k – $100k | 41.7% | 31.4% | 30.1% |
| $100k – $200k | 18.2% | 19.9% | 22.6% |
| Over $200k | 1.6% | 5.4% | 7.8% |
Demographics & statistics
47,172
Population
3,451
People per sq mi
34.6
Median age
$68,157
Median household income
$30,768
Per capita income
$185,800
Median home value
$1,391
Median monthly rent
60.3%
Home ownership
12.9%
Poverty rate
4.6%
Unemployment
11,668
Housing units
22.8%
Bachelor's or higher
Age distribution
Male
Female
1,606
Under 5
1,700
1,390
5–9
1,471
1,690
10–14
1,789
1,453
15–19
1,538
1,770
20–24
1,872
3,753
25–34
3,971
3,106
35–44
3,287
2,815
45–54
2,978
1,239
55–59
1,312
1,158
60–64
1,225
1,574
65–74
1,666
1,026
75–84
1,085
339
85+
359
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 11,494 | 24.4% |
| 18 and over | 35,678 | 75.6% |
| 65 and over | 6,049 | 12.8% |
| Median age | 34.6 years | |
Race & ethnicity
White
46.8%
Hispanic or Latino
18.7%
Two or more races
15.4%
Black or African American
8.9%
Other race
6.8%
Asian
2.5%
American Indian / Alaska Native
0.8%
Native Hawaiian / Pacific Islander
0.2%
| Group | Count | % |
|---|---|---|
| White | 27,126 | 46.8% |
| Hispanic or Latino | 10,827 | 18.7% |
| Two or more races | 8,904 | 15.4% |
| Black or African American | 5,186 | 8.9% |
| Other race | 3,921 | 6.8% |
| Asian | 1,437 | 2.5% |
| American Indian / Alaska Native | 473 | 0.8% |
| Native Hawaiian / Pacific Islander | 125 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 38.5% | 43.3% | 39.5% |
| $50k – $100k | 41.7% | 31.4% | 30.1% |
| $100k – $200k | 18.2% | 19.9% | 22.6% |
| Over $200k | 1.6% | 5.4% | 7.8% |
Under $10k
4.1%
$10k–$15k
2.0%
$15k–$25k
8.3%
$25k–$35k
7.4%
$35k–$50k
11.2%
$50k–$75k
22.2%
$75k–$100k
19.5%
$100k–$150k
17.8%
$150k–$200k
4.5%
$200k+
2.9%
| Range | % of households |
|---|---|
| Under $10k | 4.1% |
| $10k–$15k | 2.0% |
| $15k–$25k | 8.3% |
| $25k–$35k | 7.4% |
| $35k–$50k | 11.2% |
| $50k–$75k | 22.2% |
| $75k–$100k | 19.5% |
| $100k–$150k | 17.8% |
| $150k–$200k | 4.5% |
| $200k+ | 2.9% |
| Median income | $68,157 |
Housing
Home values
Under $50k
6.2%
$50k–$100k
3.6%
$100k–$150k
16.3%
$150k–$200k
33.4%
$200k–$300k
31.9%
$300k–$500k
6.9%
$500k–$1M
0.3%
$1M+
1.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $185,800 |
| Median rent / month | $1,391 |
| Owner occupied | 60.3% |
| Renter occupied | 39.7% |
| Vacant | 4.0% |
| Single-family detached | 71.4% |
| Large apartment buildings | 6.7% |
| Mobile homes | 3.9% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.65 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 12.7% |
| 2000–2009 | 20.7% |
| 1990–1999 | 6.1% |
| 1980–1989 | 19.3% |
| 1970–1979 | 30.8% |
| 1960–1969 | 6.4% |
| 1950–1959 | 2.5% |
| 1940–1949 | 0.2% |
| 1939 or earlier | 0.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.7% |
| 1 bedroom | 11.0% |
| 2 bedrooms | 12.2% |
| 3 bedrooms | 51.7% |
| 4 bedrooms | 21.1% |
| 5+ bedrooms | 2.4% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.4% |
| 1 vehicle | 35.4% |
| 2 vehicles | 39.3% |
| 3 or more | 21.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 35.4% |
| Electricity | 62.6% |
| Propane / LP gas | 0.5% |
| Solar | 0.6% |
| No fuel used | 0.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,986 | 44.2% |
| Cohabiting couple | 1,381 | 7.6% |
| Male householder, no spouse | 3,394 | 18.8% |
| Female householder, no spouse | 5,317 | 29.4% |
| Households with children under 18 | 6,679 | 36.9% |
| Households with seniors (65+) | 4,549 | 25.2% |
| Average household size | 2.60 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 34.1% | 31.9% |
| Married | 50.1% | 43.4% |
| Separated | 2.6% | 1.7% |
| Widowed | 2.8% | 7.9% |
| Divorced | 10.4% | 15.2% |
Education
Less than 9th grade
4.6%
Some HS, no diploma
4.9%
HS graduate
29.4%
Some college, no degree
27.9%
Associate's degree
10.4%
Bachelor's degree
15.3%
Graduate / professional
7.5%
| Metric | % |
|---|---|
| HS diploma or higher | 90.5% |
| Bachelor's or higher | 22.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 593 | 5.3% |
| Kindergarten | 236 | 2.1% |
| Elementary school | 5,586 | 50.1% |
| High school | 2,294 | 20.6% |
| College / grad school | 2,446 | 21.9% |
Employment
Industry of employment
Education & healthcare
22.9%
Retail trade
15.3%
Professional & management
10.7%
Construction
8.4%
Arts, food & hospitality
8.3%
Finance & real estate
7.8%
Transportation & utilities
5.8%
Other services
5.2%
Public administration
5.2%
Wholesale trade
3.7%
Manufacturing
3.6%
Information
2.2%
Agriculture & mining
0.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 33.3% |
| Service | 16.7% |
| Sales & office | 26.0% |
| Natural resources & construction | 9.2% |
| Production & transportation | 14.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.5% |
| Government | 14.4% |
| Self-employed | 5.8% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.3% |
| Carpool | 12.5% |
| Public transit | 0.8% |
| Walk | 0.6% |
| Work from home | 9.8% |
| Other means | 1.0% |
| Avg commute (minutes) | 23.2 |
Poverty
All people
12.9%
Under 18 years
18.4%
18 and over
11.1%
Married-couple families
7.4%
Female-led households
21.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 26.1% |
| Retirement income | 22.3% |
| Supplemental Security | 5.3% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 8.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 40.4% |
| High blood pressure | 34.6% |
| High cholesterol | 32.2% |
| Diabetes | 12.4% |
| Heart disease | 5.9% |
| Stroke | 2.8% |
| Asthma | 9.3% |
| Arthritis | 21.2% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.0% |
| Cancer | 5.1% |
| Behavior / access | % |
|---|---|
| Smoking | 17.0% |
| Binge drinking | 17.9% |
| No physical activity | 24.1% |
| Less than 7 hrs sleep | 37.4% |
| Depression | 22.2% |
| Fair or poor health | 18.5% |
| Poor mental health | 16.1% |
| Poor physical health | 11.1% |
| No health insurance | 29.7% |
| Visited doctor (checkup) | 71.4% |
| Visited dentist | 53.9% |
| Cholesterol screening | 88.4% |
| Teeth loss | 14.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4,113 | 11.6% |
| Disability | % |
|---|---|
| Any disability | 16.4% |
| Under 18 | 6.3% |
| 18–64 years | 14.4% |
| 65 and over | 45.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 64.3% |
| Public insurance | 30.4% |
| No insurance | 16.9% |
| Uninsured under 19 | 13.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 43,866 | 93.0% |
| Spanish | 4,192 | 9.6% |
| Other Indo-European | 3,695 | 8.4% |
| Asian & Pacific Islander | 96 | 0.2% |
| Other languages | 401 | 0.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 41,863 | 88.7% |
| Born in same state | 39,875 | 84.5% |
| Born in different state | 26,622 | 56.4% |
| Foreign born | 1,988 | 4.2% |
| Naturalized citizen | 5,309 | 11.3% |
| Not a US citizen | 3,244 | 61.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 3,101 | 6.6% |
| French | 2,001 | 4.2% |
| Arab | 1,839 | 3.9% |
| German | 251 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 197 | 0.4% |
| Polish | 159 | 0.3% |
| Dutch | 27 | 0.1% |
| Irish | 8 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.3% |
| Internet access | 97.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 78233
What city is ZIP code 78233 in?
ZIP code 78233 is primarily assigned to San Antonio, Texas.
What county is ZIP code 78233 in?
ZIP code 78233 falls within Bexar County, Texas.
Does ZIP code 78233 have a large veteran population?
12% of civilians in ZIP code 78233 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 78233?
The median home value in ZIP code 78233 is $185,800.
What is the population of ZIP code 78233?
ZIP code 78233 has an estimated population of 47,172 residents, with a density of 3,451 people per square mile.
What is the median household income in ZIP code 78233?
The median household income in ZIP code 78233 is $68,157, below the national median of ~$75,000.
What timezone is ZIP code 78233 in?
ZIP code 78233 observes the CST timezone.