78243 ZIP Code — San Antonio, TX

Bexar County, Texas

ZIP code 78243 is located in San Antonio, Texas, within Bexar County. It covers approximately 0.64 square miles and serves a population of 299 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 210.

About ZIP code 78243

The housing stock consists of a mix of housing types.

The dominant occupation class is service, with public administration as the leading industry. Remote work is prevalent — 26% of workers work from home.

Notable community characteristics include a notable veteran presence at 83% of civilians, above the national average of 7%.

Overall, ZIP code 78243 reflects a community defined by a strong veteran community and a high rate of remote workers.

299
population
0.64
sq mi land
Standard
ZIP type
Central (CT)
timezone
78243 ZIP code map
Cities in ZIP code 78243

Below are the cities the US Postal Service accepts for ZIP code 78243. Using any city not on this list may result in mail delivery delays.

City Status
San Antonio Acceptable
San Antonio Preferred
Nearby ZIP codes
78289 San Antonio (0 mi) 78288 San Antonio (0 mi) 78285 San Antonio (0 mi) 78206 San Antonio (0.1 mi) 78205 San Antonio (0.4 mi) 78215 San Antonio (1.4 mi) 78204 San Antonio (1.5 mi) 78207 San Antonio (1.7 mi) 78202 San Antonio (1.9 mi) 78203 San Antonio (2 mi) 78208 San Antonio (2.4 mi) 78212 San Antonio (2.7 mi)
Demographics updated 06/2026
Population
Total population 299
Population density 467 / sq mi
State FIPS 48
County FIPS 029
Geography
Land area 0.64 sq mi
Water area 0.01 sq mi
Latitude 29.4239
Longitude -98.4935
Timezone Central (CT)
Area code 210
Total population by age
Gender
Race & ethnicity

Demographics & statistics

299
Population
467
People per sq mi
22.0
Median age
$0
Median household income
$22,279
Per capita income
$0
Median home value
$0
Median monthly rent
0.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
0
Housing units
0.0%
Bachelor's or higher

Age distribution

Male Female
55
15–19
10
149
20–24
28
48
25–34
9
← Male
Female →

Age summary

GroupCount%
Under 1800.0%
18 and over299100.0%
65 and over00.0%
Median age22.0 years

Race & ethnicity

White 49.5%
Black or African American 39.8%
Asian 4.2%
Hispanic or Latino 3.2%
Two or more races 3.2%
GroupCount%
White15349.5%
Black or African American12339.8%
Asian134.2%
Hispanic or Latino103.2%
Two or more races103.2%

Household income

Housing

Home values

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied0.0%
Renter occupied0.0%
Vacant0.0%
Single-family detached0.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms0.0
Avg household size (owned)0.00

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19990.0%
1980–19890.0%
1970–19790.0%
1960–19690.0%
1950–19590.0%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms0.0%
3 bedrooms0.0%
4 bedrooms0.0%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle0.0%
2 vehicles0.0%
3 or more0.0%

Heating fuel

Fuel type%

Households & families

Household typeCount%
Married-couple family00.0%
Cohabiting couple00.0%
Male householder, no spouse00.0%
Female householder, no spouse00.0%
Households with children under 1800.0%
Households with seniors (65+)00.0%
Average household size0.00

Marital status

StatusMaleFemale
Never married81.0%100.0%
Married19.0%0.0%
Separated0.0%0.0%
Widowed0.0%0.0%
Divorced0.0%0.0%

Education

Less than 9th grade 0.0%
Some HS, no diploma 0.0%
HS graduate 0.0%
Some college, no degree 63.2%
Associate's degree 36.8%
Bachelor's degree 0.0%
Graduate / professional 0.0%
Metric%
HS diploma or higher100.0%
Bachelor's or higher0.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school00.0%
High school00.0%
College / grad school21100.0%

Employment

Industry of employment

Public administration 60.0%
Education & healthcare 22.9%
Retail trade 17.1%

Occupation

Category%
Management, business & arts0.0%
Service82.9%
Sales & office0.0%
Natural resources & construction0.0%
Production & transportation17.1%

Employment type

Type%
Private sector17.1%
Government82.9%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone10.2%
Carpool5.5%
Public transit0.0%
Walk50.9%
Work from home25.8%
Other means7.6%
Avg commute (minutes)0.0

Poverty

All people 0.0%
Under 18 years 0.0%
18 and over 0.0%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security0.0%
Retirement income0.0%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity30.5%
High blood pressure15.3%
High cholesterol12.5%
Diabetes2.3%
Heart disease1.3%
Stroke0.7%
Asthma9.2%
Arthritis4.8%
Kidney disease0.9%
Pulmonary disease2.3%
Cancer0.9%
Behavior / access%
Smoking16.4%
Binge drinking28.7%
No physical activity17.1%
Less than 7 hrs sleep37.0%
Depression23.8%
Fair or poor health10.3%
Poor mental health20.3%
Poor physical health5.9%
No health insurance28.5%
Visited doctor (checkup)61.7%
Visited dentist50.0%
Cholesterol screening70.6%
Teeth loss19.1%

Veterans & disability

VeteransCount%
Civilian veterans2982.9%
Disability%
Any disability0.0%
Under 180.0%
18–64 years0.0%
65 and over0.0%

Health insurance coverage

Type%
Private insurance0.0%
Public insurance0.0%
No insurance0.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only299100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)299100.0%
Born in same state299100.0%
Born in different state00.0%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
English206.7%
French186%
AncestryCount%
Italian134.3%
Dutch134.3%

Technology access

Metric% of households
Computer access0.0%
Internet access0.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78243

What city is ZIP code 78243 in?

ZIP code 78243 is primarily assigned to San Antonio, Texas.

What county is ZIP code 78243 in?

ZIP code 78243 falls within Bexar County, Texas.

Does ZIP code 78243 have a large veteran population?

83% of civilians in ZIP code 78243 are veterans, above the national average of ~7%.

What is the population of ZIP code 78243?

ZIP code 78243 has an estimated population of 299 residents, with a density of 466 people per square mile.

What timezone is ZIP code 78243 in?

ZIP code 78243 observes the CST timezone.

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