What city is ZIP code 78112?

ZIP code 78112 is in Sandy Oaks, TX (Bexar County).

What county is ZIP code 78112 in?

ZIP code 78112 is mostly in Bexar County, Texas.

How many people live in ZIP code 78112?

About 9,769 people live in the 78112 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 78112

Sandy Oaks, TX, Bexar County

Population

9,769

Land area

51.4sq mi

People per sq mi

190

City

Sandy Oaks

ZIP 78112 and nearby ZIP codes

Full map

ZIP 78112 at a glance

ZIP 78112 (Sandy Oaks) is 64% denser than Texas as a whole.
Households here earn a median of $54,988 a year, 30% less than the Texas figure of $78,476.
A typical owner-occupied home is valued at $131,400 (54% below Texas) and median rent is $1,319 a month.

Local data for ZIP 78112

Counts from official public data

Housing and community stats

ZIP 78112, American Community Survey 2020-2024

Full profile

Median household income

$54,988

Poverty rate

17.0%

Median home value

$131,400

Median rent

$1,319/mo

Homeownership

91.1%

Bachelor's or higher

8.5%

Median age

43.9

Average commute

31.7 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

1,122

$85M annual payroll

PPP loans

$9.4M

112 loans

Campaign donations

$5,782

11% D, 42% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 78112, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively High

Top: hail

Storm events since 1996

1,353

Countywide, mostly hail

Flood insurance policies

4,411

0.8% of homes, county

July high / Jan low

96° / 42°F

29.7 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 78112, CDC PLACES estimates

All 40 measures

Obesity

35.7%

U.S. 33.3% +2.4 pts

Diabetes

15.4%

U.S. 12.1% +3.3 pts

Smoking

14.0%

U.S. 12.8% +1.2 pts

Uninsured (18-64)

27.6%

U.S. 11.1% +16.5 pts

Frequently asked questions

What city is ZIP code 78112?: ZIP code 78112 is in Sandy Oaks, TX (Bexar County).
What county is ZIP code 78112 in?: ZIP code 78112 is mostly in Bexar County, Texas.
How many people live in ZIP code 78112?: About 9,769 people live in the 78112 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.