78231 Zip Code Map | Maps, Demographics and Population for San Antonio, TX

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78231 is a 5-digit zip code located in San Antonio, Texas. San Antonio is the primary city for 78231 and is located in Comal. In the most recent US census the population of 78231 was 8993.

There are a total of 3,995 housing units in 78231, Texas. A total of 2.63% (105) are currently vacant.

Heading	Statistic
Timezone	GMT-6
City Name	San Antonio
Housing Units	3,995
Median Home Value	$366,800
Universities	0
Law Enforcement	1 Locations
Hospitals	0

Heading	Statistic
Current Population	8,993*
Avg Income	$106,719
Occupied Houses	4,020
Vacant Houses	105
* Population taken from the last census in 2020.

Zip Code Products Showing 78231

Texas 3-Digit Zip Code Map Showing 78231

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County Map Showing 78231, Texas

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You can download our data and files for 78231 here for FREE. If you need any data that isn't available here please get in touch through our contact form.

Population Figures for 78231

Total Population by Age

78231 has a total population of 8,993. In the bar chart and table below, this population is split into 18 different age range segments.

Most inhabitants of 78231 are in the 30 to 34 years age bracket. As of the last census, there are 982 people in this segment.

The 85 years and over segment is the smallest age range in 78231. There are just 186 people in this category.

Age Range	Population
Under 5	321
5 to 9	576
10 to 14	634
15 to 19	728
20 to 24	747
25 to 29	772
30 to 34	982
35 to 39	399
40 to 44	622

Age Range	Population
45 to 49	582
50 to 54	611
55 to 59	742
60 to 64	497
65 to 69	501
70 to 74	547
75 to 79	331
80 to 84	194
Over 85	186

Race and Gender Population of 78231

Women make up the highest portion of people in 78231. There are 4,896 men and 5,076 women in this 5-digit zip code.

There are no people who identify as: Native Hawaiian in this 78231 zip code.

Most people in this zip code are White, with a total of 6,778 people in this category.

The chart and table below shows the population of people and which race they belong to in 78231

Gender	Population
Male	4,896
Female	5,076

Race	Population
White	6,778
Black	658
American Indian	16
Asian	364
Some other race	387

Real Estate Figures

Median Rent	Median House Value	Median Rooms in House	Most Common Heating Type
$69	$366,800	6.2 rooms	Electricity

Housing Types in 78231 Zip Code

Below are two charts showing the amount of occupied vs vacant homes and the amount of renter vs owner occupied houses in the 78231 zip code.

The 78231 zip code area has a homeowner vacancy rate of 3.76% and a rental vacancy rate of 7.32%. This means there are a total of 105 vacant housing units throughout the zip code area. Conversely there are 4,020 housing units that are currently occupied.

Occupied Units	Vacant Units	Owner Vacancy Rate	Rental Vacancy Rate
4,020	105	3.76%	7.32%

Owner-Occupied	Renter-Occupied
2,691	1,329

Property Value in 78231

Most homes in 78231 are valued $300,000 to $499,999, with 10,208,030 houses in this category.

There are just 0 houses valued at $300,000 to $499,999. As you can see in the chart and table below, this is the smallest segment in this zip code.

The affordability ratio for the 78231 zip code in Texas is 2.7. This is calculated by dividing the median housing value by the median income and is used to show how affordable a zip code is.

An affordability ratio of 2.7 is generally considered Low (Affordable).

House Value	Units
Less than $50,000	0
$50,000 to $99,999	0
$100,000 to $149,999	1,020
$150,000 to $199,999	4,020
$200,000 to $299,999	702,050

House Value	Units
$300,000 to $499,999	10,208,030
$500,000 to $999,999	402,050
$1,000,000 or more	200,040
Median House Value	$366,800

Heating Types for Homes in 78231

There are 6 different heating types used by people in the 78231 zip code area. As you can see from the table and chart below; Utility gas, Bottled, tank, or LP gas, Electricity, Solar energy, Other fuel, No fuel used are the most commonly used heating types in this area.

Electricity is most commonly used to heat homes in 78231. As you can see below, there are 2,076 houses that use this method.

Heating Type	Units
Utility gas	1,751
Bottled, tank, or LP gas	126
Electricity	2,076
Fuel oil, kerosene, etc.	0
Coal or coke	0

Heating Type	Units
Wood	0
Solar energy	9
Other fuel	14
No fuel used	44

Household Income Generated 12-months of 2022

The chart and tables below show the household income segments for households in the 78231. 1.4 of households are on the low end, earning less than $10,000 in 2022.

On the other end, 14.8 of households earned more than $200,000 in the same year. You will also see that the mean income of this zip code is around $137,330.

Most households in 78231 earn in the $100,000 to $149,999 range. 25% of households are in this segment.

Income Range	Percent
Less than $10,000	1.4
$10,000 to $14,999	2
$15,000 to $24,999	2.6
$25,000 to $34,999	7.6
$35,000 to $49,999	11.8
$50,000 to $74,999	12.9

Income Range	Percent
$75,000 to $99,999	7.1
$100,000 to $149,999	25.2
$150,000 to $199,999	14.6
$200,000 or more	14.8
Mean income	$137,330

Bedrooms, Rooms and Units in Structures in 78231

Below are three pie charts and tables showing the amount of bedrooms, total rooms and structures in houses for this zip code.

Most houses in 78231 have 5 or more bedrooms, with a total of 0 houses.

In regards to rooms in general, people in this zip code have an average of 6.2 rooms in their house. Most houses actually have 9 rooms or more in their house. 951 homes fit into this category.

951 homes in 78231 are in the 1-unit, detached category, which is the most common in terms of structures for this area.

The largest homes tracked, which are 20 units or more, make up 253 of the houses in this zip code. On the other end, 3,397 houses make up the smallest homes, which are 1 unit, mobile homes or boats.

Bedrooms	Units
No bedroom	0
1 bedroom	0
2 bedrooms	0
3 bedrooms	0
4 bedrooms	0
5 or more bedrooms	0

Rooms	Units
1 room	118
2 rooms	366
3 rooms	387
4 rooms	434
5 rooms	276
6 rooms	704
7 rooms	333
8 rooms	556
9 rooms or more	951
Median rooms	6.2

Units in Structure	Units
1-unit, detached	2895
1-unit, attached	5
2 units	5
3 or 4 units	0
5 to 9 units	32
10 to 19 units	443
20 or more units	253
Mobile home	463
Boat, RV, van, etc.	34

Healthcare and Hospitals

Hospitals Database

There are currently no hospital and healthcare locations in the zip code of 78231.

Universities

Universities Database