78666 Real Estate Details

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78666 Zip Code Real Estate Statistics

Total Properties
157
Avg. Size in Sq. Ft.
3,279
Avg. Age in Years
0.3
Average Days on Site
126
Minimum Price
$104,900
Maximum Price
$4,000,000
Avg. Price
$638,075
Avg. Price per Sq. Ft.
$228
Recently Listed in 78666 Zip Code
$575,000
San Antonio Board of REALTORS® IDX Logo
4bds 2ba2,505sqftActive
401 Deer Creek Dr, San Marcos, TX 78666
MLS #: 2004709
5X REALTY
$197,000
San Antonio Board of REALTORS® IDX Logo
4bds 2ba1,624sqftPending
164 Oak Cv, San Marcos, TX 78666
MLS #: 1992734
Keller Williams Heritage
$550,000
San Antonio Board of REALTORS® IDX Logo
3bds 2ba1,748sqftActive
8315 Ozark, San Marcos, TX 78666
MLS #: 1927730
Get It Sold Realty
606 Irvin Dr Property Photo 1
Price Reduced
$414,500
San Antonio Board of REALTORS® IDX Logo
3bds 3ba2,478sqftPrice Change
606 Irvin Dr, San Marcos, TX 78666
MLS #: 2004461
MAG Real Estate LLC
116 Mulligan Dr Property Photo 1
Price Reduced
$325,000
San Antonio Board of REALTORS® IDX Logo
3bds 2ba1,569sqftPrice Change
116 Mulligan Dr, San Marcos, TX 78666
MLS #: 2009367
San Antonio Elite Realty
$1,195,000
San Antonio Board of REALTORS® IDX Logo
5bds 4ba3,157sqftActive
728 Falconwood, San Marcos, TX 78666
MLS #: 1953093
Fore Premier Properties
$799,990
San Antonio Board of REALTORS® IDX Logo
4bds 3ba2,736sqftActive
152 Pico Ct, San Marcos, TX 78666
MLS #: 1965223
JB Goodwin, REALTORS
$350,000
San Antonio Board of REALTORS® IDX Logo
4bds 2ba2,727sqftActive
800 N Bishop, San Marcos, TX 78666
MLS #: 1958871
JB Goodwin, REALTORS
$239,000
San Antonio Board of REALTORS® IDX Logo
3bds 2ba1,319sqftActive Option
333 Wilshire Rd, San Marcos, TX 78666
MLS #: 1964519
Confidence Realty Group
$279,000
San Antonio Board of REALTORS® IDX Logo
4bds 3ba1,890sqftPending
113 Moonrise Dr, San Marcos, TX 78666
MLS #: 1994572
Central Texas Trinity Realty
$250,000
San Antonio Board of REALTORS® IDX Logo
3.30 acre lot$75,758/AcreActive Option
Lot #2 Horace Howard, San Marcos, TX 78666
MLS #: 1967812
BHHS Don Johnson REALTORS - NB
$1,999,800
San Antonio Board of REALTORS® IDX Logo
-bds-ba-sqftActive
73.86± Ac Dreibrodt Rd, San Marcos, TX 78666
MLS #: 2005761
Uriah Real Estate Organization

Demographic Information

Guadalupe County

4,379

Populations as of 2026

1,781

Total Labor Force

$40,149

Median Household Income

$30,367

Per Capita Income

42

Median Age

3

Average Household Size

23.8%

High School Graduate

8.3%

Bachelor Degree Or Higher

Population

2026 Estimate (V2026) 4,379

Age Distribution (Years Old)

0 to 4 3.4%
5 to 17 18%
18 to 64 58%
65 and Older 20.6%

Gender

Male 58.2%
Female 41.8%

Computer and Internet Use

Households with a computer 33.1%
Households with a broadband Internet subscription 33.1%

Language

English or Second Language, Age 5+ 47%
English is First Language, Age 5+ 49.6%

Veterans

Veterans 250

Housing

Total Housing Units 2,156
Households 1,451
Average Household Size 3 people
Owner-Occupied 26%
Multi-Family 0.2%
Owner-Occupied Median Value $107,200
Median selected monthly owner costs - with a mortgage $1,530
Median selected monthly owner costs - without a mortgage $400
Median Gross Rent $515

Year at Residence

1 Year or More 10%
Less Than 1 Year 90%

Business and Employment

Private non-farm Establishments -
Private non-farm Employment -
Nonemployer Establishments 193
Number of Firms -

Business Production

Value of Shipments -
Wholesale Trade -
Retail Trade -
Retail Sales Per Capita -
Accommodation and Food Services -
The American Community Survey (ACS) is an ongoing survey that provides data every year - giving communities the current information they need to plan investments and services. The ACS covers a broad range of topics about social, economic, demographic, and housing characteristics of the U.S. population. Much of the ACS data provided on the Census Bureau's Web site are available separately by age group, race, Hispanic origin, and sex. Summary files, Subject tables, Data profiles, and Comparison Summary read more
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