San Isidro Flag

San Isidro

County:
Starr County
County Seat:
No
Area (mi²):
3.103
State:
Texas

San Isidro is a CDP located in Starr County, Texas. San Isidro has a 2025 population of 259. San Isidro is currently growing at a rate of 0.39% annually and its population has increased by 151.46% since the most recent census, which recorded a population of 103 in 2020.

The average household income in San Isidro is $51,753 with a poverty rate of 13.64%.The median age in San Isidro is 45 years: 43.1 years for males, and 47.6 years for females.

259
Total Population
83
Density (mi²)
1 0.39%
Growth

San Isidro Population

San Isidro Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of San Isidro includes 42.42% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
Two or more races11457.58%
White8442.42%

San Isidro Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Isidro's average per capita income is $25,375. Household income levels show a median of $0. The poverty rate stands at 13.64%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$77,250-
Families$66,667$64,557
Households-$51,753
Non Families--

$25,375

Average Income

$0

Median Household Income

13.64%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)