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 Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

Two or more races

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
Two or more races11457.58%
White8442.42%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

San Isidro Marital Status

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)