Census-designated place

South Alamo

Hidalgo County · South Texas Plains · Population 3,309

Regional photo. Photo: Michael Barera, CC BY-SA 4.0

South Alamo is a community in Hidalgo County in the South Texas Plains region of Texas. Find homes for sale, things to do, local businesses and tips from people who live here.

Live in South Alamo? Tell newcomers what it’s like

By the Numbers.

Explore the numbers for South Alamo

Want the home-for-sale numbers for South Alamo? Ask us.

Our live MLS numbers do not reach this town yet. Leave your name and email and we will send you what we know: prices, days on the market and price cuts.

Answered by licensed agents of Rudder Realty, Inc., the Texas brokerage that operates InTexas.com. We never sell your information.

Population
3,309
Growth in 10 years
-15.3%
Median age
34.2
Texas: 35.6
Under 18
25%
Texas: 25%
65 and older
16%
Texas: 13%
People per household
3.6
Texas: 2.7
Households with kids
35%
Texas: 35%
Bachelor’s degree or higher
1%
Texas: 34%
Veterans
3%
Texas: 6%
Born in Texas
52%
Texas: 58%
Moved here from another state last year
0%
Texas: 2%
Moved to a new home last year
4%
Texas: 14%
No health insurance
29%
Texas: 17%

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024.

Median household income
$33,875
Texas: $78,476
Below poverty line
33%
Texas: 14%
Median home value (owners’ estimate)
$69,600
Texas: $283,800
Own their home
81%
Texas: 63%
Typical property tax bill
$854/yr
Texas: $4,232/yr
Effective property tax rate
1.23%
Texas: 1.49%
Monthly cost with a mortgage
$1,070/mo
Texas: $2,106/mo
Monthly cost, paid off
$393/mo
Texas: $678/mo
Typical year homes were built
1999
Texas: 1992
Single-family houses
83%
Texas: 67%
Apartments and multiplexes
8%
Texas: 26%
Mobile homes
9%
Texas: 6%
Median rent
$677/mo
Texas: $1,403/mo
Rent, 2 bedrooms
$690/mo
Texas: $1,395/mo
Homes that are rented
19%
Texas: 37%
Rentals sitting empty
0%
Texas: 8%
Rent as a share of income
26%
Texas: 31%
Typical electric bill
$194/mo
Texas: $184/mo
Typical gas bill
$21/mo
Texas: $56/mo
Typical water and sewer bill
$949/yr
Texas: $595/yr
Heat with electricity
81%
Texas: 61%
Heat with natural gas
0%
Texas: 35%
Homes with broadband internet
87%
Texas: 91%

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024.

Average commute
23 min
Texas: 27 min
Work from home
8%
Texas: 14%
Cars per household
2.1
Texas: 1.9
Households without a car
9%
Texas: 5%
Biggest jobs: Stores and retail
30%
of working residents
Biggest jobs: Service occupations
28%
of working residents
Biggest jobs: Production
27%
of working residents
Nearest airport with airline flights
MFE
McAllen Miller International Airport, about 8 miles
Nearest major airport
SAT
San Antonio International Airport, about 235 miles
Nearest city of 100,000+
McAllen
About 10 miles

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–2024. Distances are straight-line miles between town centers. Airports: OurAirports.

July average high
96°F
Hottest month
January average low
50°F
Coldest month
Days over 100°F
17
In a typical year
Days of 90°F or more
160
In a typical year
Nights at freezing or below
1
In a typical year
Rain per year
25.7 in.

Source: NOAA U.S. Climate Normals, 1991–2020 averages, from the Weslaco weather station (about 7 miles from the town center).

We don’t show race or ethnicity numbers on town pages. Every number says where it came from.

Market

South Alamo’s housing market

Realtor.com, September 2026. Listing prices, not sale prices.

Median list price
$255,000
-5.2% vs. a year ago
Price per sq. ft.
$160
Texas: $179
Median days on market
78
Texas: 68
Listings with a price cut
12%
Texas: 22%
Home prices by ZIP code in South Alamo

The local market

A steady market Hidalgo County home market, September 2026 (Realtor.com reports South Alamo as part of the county)
Median list price
$255,000
-5.2% vs. a year ago Texas: $350,000
Homes for sale
3,432
+4.5% vs. a year ago
Days on market
78
median Texas: 68
Price per sq. ft.
$160
Texas: $179
Typical home size
1,632 sq. ft.
Listings with a price cut
12%
Texas: 22%
New listings this month
648
Under contract
489

Owning and renting here

Median home value
$69,600
Effective property tax rate
1.23%
Typical property tax bill
$854/yr
Median rent
$677/mo
Own their home
81%

Census estimates of what residents report. More in By the Numbers. See all the numbers

Market numbers: Realtor.com Economic Research, September 2026. Listing prices, not sale prices.

Community

Questions about South Alamo? Local tips? Start the first conversation on the South Alamo message board.

Go to the South Alamo message board

Told by locals in South Alamo

Know South Alamo? Share a story or tip

In Business.

Local businesses in South Alamo

Own a business in South Alamo? List it free.

Your logo, phone and website on this page and in our Texas business directory. No fees and no contract. A person reviews every listing.

List my business free

Thinking about South Alamo? Ask a local agent

Ask about homes here. We will answer your questions and connect you with a trusted local agent, free and with no pressure.

Real estate questions are answered by licensed agents of Rudder Realty, Inc., the Texas brokerage that operates InTexas.com. By sending this, you agree Rudder Realty, Inc. may contact you about real estate. We never sell your information.