San Isidro is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in

Starr County, Texas Starr County is located in the U.S. state of Texas. As of the 2020 census, its population was 65,920. Its county seat is Rio Grande City. The county was created in 1848. It is named for James Harper Starr, who served as secretary of the tre ...

, United States. The population was 240 at the 2010 census. The town is named for St.

Isidore the Laborer Isidore the Laborer, born Isidro de Merlo y Quintana, also known as Isidore the Farmer () ( – 15 May 1130), was a Mozarab farmworker who lived in medieval Madrid. Known for his piety toward the poor and animals, he is venerated as a Catholic pa ...

, the patron saint of farmers. A large Southwestern Barrel Cactus growing just east of town is said to be the largest in Texas.

Geography

San Isidro is located at (26.718830, -98.444126). The CDP lost a little area prior to the 2010 census, making the total area of 3.1 square miles (8.0 km), all land.

Demographics

San Isidro was first listed as a

census designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

in the 2000 U.S. Census.

2020 census

As of the 2020 United States census, there were 187 people, 40 households, and 28 families residing in the CDP.

2000 census

At the 2000 census there were 270 people, 94 households, and 70 families in the CDP. The population density was . There were 113 housing units at an average density of . The racial makeup of the CDP was 95.19% White, 3.33% from other races, and 1.48% from two or more races. 98.52% of the population were Hispanic or Latino of any race. Of the 94 households 39.4% had children under the age of 18 living with them, 61.7% were married couples living together, 10.6% had a female householder with no husband present, and 25.5% were non-families. 24.5% of households were one person and 14.9% were one person aged 65 or older. The average household size was 2.87 and the average family size was 3.49. The age distribution was 32.6% under the age of 18, 5.6% from 18 to 24, 24.8% from 25 to 44, 22.6% from 45 to 64, and 14.4% 65 or older. The median age was 36 years. For every 100 females, there were 110.9 males. For every 100 females age 18 and over, there were 95.7 males. The median household income was $18,750 and the median family income was $20,313. Males had a median income of $15,625 versus $33,333 for females. The per capita income for the CDP was $8,965. 42.3% of the population and 35.9% of families were below the

poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

. Out of the total population, 57.6% of those under the age of 18 and 7.1% of those 65 and older were living below the poverty line.

Education

San Isidro is served by the San Isidro Independent School District and is home to the San Isidro High School Tigers.

References

{{authority control Census-designated places in Starr County, Texas Census-designated places in Texas