78666 Real Estate Details

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78666 Zip Code Real Estate Statistics

Total Properties
165
Avg. Size in Sq. Ft.
3,177
Avg. Age in Years
0.3
Average Days on Site
125
Minimum Price
$85,000
Maximum Price
$4,000,000
Avg. Price
$562,025
Avg. Price per Sq. Ft.
$211
Recently Listed in 78666 Zip Code
$575,000
San Antonio Board of REALTORS® IDX Logo
4bds 3ba2,412sqftActive
366 Arrow, San Marcos, TX 78666
MLS #: 1862027
House Hunters NB
$599,000
San Antonio Board of REALTORS® IDX Logo
$-/sqftCOMMERCIALZoningActive
0 Harris Hill, San Marcos, TX 78666
MLS #: 1777433
South Roots Realty
$278,000
San Antonio Board of REALTORS® IDX Logo
5.00 acre lot$55,600/AcreActive
301 Rim Rock Ranch, San Marcos, TX 78666
MLS #: 1925670
Epique Realty LLC
$649,990
San Antonio Board of REALTORS® IDX Logo
4bds 4ba3,040sqftActive
609 Sturgeon, San Marcos, TX 78666
MLS #: 1929070
Epique Realty LLC
$343,990
San Antonio Board of REALTORS® IDX Logo
4bds 2ba1,788sqftPending
224 Las Lomas, San Marcos, TX 78666
MLS #: 1874922
D.R. Horton-Texas, LTD
$279,050
San Antonio Board of REALTORS® IDX Logo
28.33 acre lot$9,850/AcreActive
Cr 732 Cr 732, Yancey, TX 78666
MLS #: 1928930
Chad Hanna Foster Jr.
$3,400,000
San Antonio Board of REALTORS® IDX Logo
89.10 acre lot$38,159/AcrePending
Tbd St Hwy 123, San Marcos, TX 78666
MLS #: 1936085
Anders Pierce Realty
$3,400,000
San Antonio Board of REALTORS® IDX Logo
$ 0.88/sqftN/AZoningPending
Tbd St Hwy 123 N State Highway 123, San Marcos, TX 78666
MLS #: 1936104
Anders Pierce Realty
$899,000
San Antonio Board of REALTORS® IDX Logo
7bds 5ba3,756sqftActive Option
111 Clydesdale Dr, San Marcos, TX 78666
MLS #: 1927071
Kelly Right Real Estate of Tex
$240,000
San Antonio Board of REALTORS® IDX Logo
2.73 acre lot$87,912/AcreActive
1720 Skyline Dr, Canyon Lake, TX 78666
MLS #: 1763221
Republic of Texas Realty
$729,000
San Antonio Board of REALTORS® IDX Logo
4bds 4ba3,200sqftActive
121 Cherokee Sedge Path, San Marcos, TX 78666
MLS #: 1911096
Dina Verteramo, Broker
$499,990
San Antonio Board of REALTORS® IDX Logo
4bds 3ba2,147sqftActive
212 Missouri Primrose Lane, San Marcos, TX 78666
MLS #: 1938630
Dina Verteramo, Broker

Demographic Information

Guadalupe County

178,368

Populations as of 2026

91,730

Total Labor Force

$93,776

Median Household Income

$39,766

Per Capita Income

38

Median Age

3

Average Household Size

16.1%

High School Graduate

13.7%

Bachelor Degree Or Higher

Population

2026 Estimate (V2026) 178,368

Age Distribution (Years Old)

0 to 4 5.8%
5 to 17 18.5%
18 to 64 61.1%
65 and Older 14.5%

Gender

Male 50%
Female 50%

Computer and Internet Use

Households with a computer 35.3%
Households with a broadband Internet subscription 35.3%

Language

English or Second Language, Age 5+ 20.4%
English is First Language, Age 5+ 73.8%

Veterans

Veterans 18,507

Housing

Total Housing Units 67,366
Households 62,953
Average Household Size 3 people
Owner-Occupied 27.7%
Multi-Family 0.4%
Owner-Occupied Median Value $285,900
Median selected monthly owner costs - with a mortgage $1,900
Median selected monthly owner costs - without a mortgage $620
Median Gross Rent $1,439

Year at Residence

1 Year or More 12.6%
Less Than 1 Year 87.4%

Business and Employment

Private non-farm Establishments -
Private non-farm Employment -
Nonemployer Establishments 16,001
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