Population 302 · Census ACS 2020–24
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Population and households in San Isidro
Household size in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 2.82 | 2.87 | 2.68 |
| 2010–14 | 3.31 | 2.93 | 2.73 |
| 2015–19 | 2.97 | 2.95 | 2.71 |
| 2020–24 | 3.07 | 2.83 | 2.65 |
| Change | +0.25 | −0.05 | −0.03 |
Households in San Isidro are large by national standards, averaging 3.07 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.82 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 38.2 | 34.7 | 37.7 |
| 2010–14 | 40.4 | 35.4 | 38.6 |
| 2015–19 | 40.6 | 36.1 | 39.6 |
| 2020–24 | 37.5 | 36.7 | 40.1 |
| Change | −0.7 | +2.0 | +2.3 |
The median resident of San Isidro is 37.5 years old, a few years younger than the national median of 40.1. The picture is much the same across Texas.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 14.3% | 13.7% | 12.3% |
| 2010–14 | 8.4% | 13.7% | 12.3% |
| 2015–19 | 1.6% | 13.1% | 11.6% |
| 2020–24 | 15.5% | 12.9% | 11.6% |
| Change | +1.2 pts | −0.8 pts | −0.6 pts |
Single-parent households are common in San Isidro: 15.5% of all households, against 11.6% nationally.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in San Isidro
Renters in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 14.5% | 35.2% | 33.3% |
| 2010–14 | 12.3% | 37.3% | 35.6% |
| 2015–19 | 14.7% | 38.0% | 36.0% |
| 2020–24 | 20.4% | 37.4% | 34.8% |
| Change | +5.9 pts | +2.3 pts | +1.5 pts |
Only 20.4% of households in San Isidro rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About nine in ten owners (88.8%) have paid off their mortgages, well above the national share of 39.8%.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 43.8% | 11.8% | 11.4% |
| 2010–14 | 38.9% | 10.9% | 11.4% |
| 2015–19 | 35.2% | 10.9% | 11.1% |
| 2020–24 | 52.0% | 9.4% | 9.6% |
| Change | +8.2 pts | −2.4 pts | −1.8 pts |
Vacant homes make up 52.0% of the housing in San Isidro, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 1970 | 1983 | 1974 |
| 2010–14 | 1973 | 1985 | 1975 |
| 2015–19 | 1989 | 1987 | 1977 |
| 2020–24 | 1982 | 1992 | 1980 |
| Change | +12 | +8 | +6 |
The typical home in San Isidro was built around 1982, about the same vintage as the country's housing overall (1980). Homes here are older than in Texas as a whole, where the median home dates to 1992.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | $461 | $921 | $965 |
| 2010–14 | $393 | $1,005 | $1,040 |
| 2015–19 | $546 | $1,178 | $1,213 |
| 2020–24 | $491 | $1,560 | $1,571 |
| Change | +$30 | +$639 | +$606 |
The median renter in San Isidro pays $491 a month for rent and utilities, well below the national median of $1,571. Rent takes 9.0% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in San Isidro
Bachelor's degrees in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 14.7% | 27.0% | 28.4% |
| 2010–14 | 13.7% | 27.9% | 29.6% |
| 2015–19 | 16.6% | 30.0% | 32.1% |
| 2020–24 | 25.2% | 34.0% | 35.6% |
| Change | +10.5 pts | +7.1 pts | +7.2 pts |
Fewer adults in San Isidro have a four-year degree than in the country as a whole: 25.2%, against 35.6% nationally.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 68.6% | 80.7% | 84.9% |
| 2010–14 | 63.5% | 82.0% | 86.1% |
| 2015–19 | 82.0% | 83.6% | 87.7% |
| 2020–24 | 81.4% | 85.8% | 89.3% |
| Change | +12.8 pts | +5.1 pts | +4.3 pts |
Nearly one in five adults in San Isidro never finished high school, well above the national share: only 81.4% have a diploma or equivalent, against 89.3% nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in San Isidro
| Period | San Isidro | Texas | U.S. |
|---|---|---|---|
| 2006–10 | 6.4% | 7.0% | 8.1% |
| 2010–14 | 7.6% | 7.7% | 9.4% |
| 2015–19 | 11.6% | 5.1% | 5.6% |
| 2020–24 | 10.7% | 5.3% | 5.4% |
| Change | +4.3 pts | −1.7 pts | −2.7 pts |
Unemployment in San Isidro runs well above the national rate: 10.7% of the labor force was out of work and looking, against 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
San Isidro compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| San Isidro | 3.07 | 37.5 | 15.5% | 20.4% | 52.0% | 1982 | $491 | 25.2% | 81.4% | 10.7% |
| Delmita | 3.07 | 37.5 | 15.5% | 20.4% | 52.0% | 1982 | $491 | 25.2% | 81.4% | 10.7% |
| Santa Elena | 3.05 | 37.1 | 15.1% | 21.5% | 51.6% | 1982 | $473 | 25.3% | 80.7% | 11.0% |
| La Reforma | 3.00 | 39.4 | 8.8% | 20.8% | 37.9% | 1989 | $843 | 29.1% | 77.5% | 9.3% |
| Puerto Rico | 3.06 | 44.0 | 4.1% | 12.3% | 25.5% | 1995 | $1,328 | 32.4% | 77.8% | 5.9% |
| Santa Catarina | 3.07 | 37.5 | 15.5% | 20.4% | 52.0% | 1982 | $491 | 25.2% | 81.4% | 10.7% |
| Rachal | 2.65 | 29.3 | 7.6% | 44.6% | 42.6% | 1985 | $156 | 28.2% | 66.7% | 17.0% |
| Lopeno | 1.87 | 43.7 | 29.5% | 56.2% | 37.1% | 1985 | $298 | 9.1% | 66.7% | 0.0% |
| Norias | 2.53 | 54.8 | 11.6% | 47.3% | 56.7% | 1957 | $1,403 | 13.0% | 52.8% | 0.0% |
| Rotonda | 2.08 | 65.7 | 1.1% | 10.3% | 29.7% | 1999 | $2,129 | 37.0% | 97.4% | 2.3% |
| Placida | 2.04 | 63.6 | 1.2% | 13.1% | 42.4% | 2000 | $1,300 | 39.7% | 94.8% | 2.6% |
All figures 2020–24.
Cities with similar populations: Steinersville, OH · Sugar Grove, AR · Stumptown, PA · Stratford, SD · Straight, OK · Stover, VA · Stony Fork, PA · Stony Creek, CT · Stonington, IN · Stonewall, KY
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up San Isidro. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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