Population 335 · Census ACS 2020–24
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Population and households in San Carlos
Household size in San Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.24 | 3.67 | 2.87 | 2.68 |
| 2010–14 | 4.08 | 3.72 | 2.93 | 2.73 |
| 2015–19 | 4.27 | 3.66 | 2.95 | 2.71 |
| 2020–24 | 3.41 | 3.42 | 2.83 | 2.65 |
| Change | −0.83 | −0.25 | −0.05 | −0.03 |
San Carlos is a place of big households: 3.41 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has dropped from 4.24 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 23.9 | 28.7 | 34.7 | 37.7 |
| 2010–14 | 24.9 | 29.5 | 35.4 | 38.6 |
| 2015–19 | 27.2 | 30.0 | 36.1 | 39.6 |
| 2020–24 | 33.7 | 31.9 | 36.7 | 40.1 |
| Change | +9.8 | +3.2 | +2.0 | +2.3 |
San Carlos is young: half of its residents are under 33.7, compared with a national median of 40.1. The population tilts toward young families with children. Locally, though, the population here is older than in the McAllen area overall, where the median age is 31.9.
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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 16.5% | 18.3% | 13.7% | 12.3% |
| 2010–14 | 22.5% | 18.3% | 13.7% | 12.3% |
| 2015–19 | 20.5% | 19.5% | 13.1% | 11.6% |
| 2020–24 | 14.6% | 18.6% | 12.9% | 11.6% |
| Change | −2.0 pts | +0.3 pts | −0.8 pts | −0.6 pts |
Single parents head about one in seven households in San Carlos (14.6%), above the national share of 11.6%. Locally, though, single parents are less common here than in the McAllen area as a whole (18.6%).
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 Carlos
Renters in San Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 17.4% | 29.2% | 35.2% | 33.3% |
| 2010–14 | 24.0% | 32.1% | 37.3% | 35.6% |
| 2015–19 | 20.6% | 32.0% | 38.0% | 36.0% |
| 2020–24 | 25.6% | 32.5% | 37.4% | 34.8% |
| Change | +8.2 pts | +3.4 pts | +2.3 pts | +1.5 pts |
Most households in San Carlos own their homes; 25.6% rent, below the national share of 34.8%. About eight in ten owners (78.3%) 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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.9% | 14.6% | 11.8% | 11.4% |
| 2010–14 | 11.1% | 12.1% | 10.9% | 11.4% |
| 2015–19 | 16.5% | 13.1% | 10.9% | 11.1% |
| 2020–24 | 9.3% | 12.4% | 9.4% | 9.6% |
| Change | −3.7 pts | −2.2 pts | −2.4 pts | −1.8 pts |
Vacancy in San Carlos is close to the national rate: 9.3% of homes are empty, against 9.6%. The rate is lower than in the McAllen area as a whole (12.4%).
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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 1991 | 1991 | 1983 | 1974 |
| 2010–14 | 1995 | 1993 | 1985 | 1975 |
| 2015–19 | 1997 | 1995 | 1987 | 1977 |
| 2020–24 | 2000 | 1998 | 1992 | 1980 |
| Change | +9 | +7 | +8 | +6 |
Much of the housing in San Carlos is relatively new: half of its homes were built after 2000, compared with 1980 for the U.S. as a whole. That is in line with the rest of the McAllen area.
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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | $582 | $597 | $921 | $965 |
| 2010–14 | $537 | $652 | $1,005 | $1,040 |
| 2015–19 | $549 | $737 | $1,178 | $1,213 |
| 2020–24 | $973 | $987 | $1,560 | $1,571 |
| Change | +$392 | +$390 | +$639 | +$606 |
The median renter in San Carlos pays $973 a month for rent and utilities, well below the national median of $1,571. The McAllen area as a whole looks much the same. Rent takes 35.9% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 Carlos
Bachelor's degrees in San Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.0% | 15.1% | 27.0% | 28.4% |
| 2010–14 | 10.3% | 16.4% | 27.9% | 29.6% |
| 2015–19 | 10.8% | 18.4% | 30.0% | 32.1% |
| 2020–24 | 15.1% | 20.3% | 34.0% | 35.6% |
| Change | +9.1 pts | +5.2 pts | +7.1 pts | +7.2 pts |
Fewer adults in San Carlos have a four-year degree than in the country as a whole: 15.1%, 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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 45.4% | 59.4% | 80.7% | 84.9% |
| 2010–14 | 44.0% | 61.5% | 82.0% | 86.1% |
| 2015–19 | 44.3% | 64.9% | 83.6% | 87.7% |
| 2020–24 | 64.7% | 69.8% | 85.8% | 89.3% |
| Change | +19.3 pts | +10.4 pts | +5.1 pts | +4.3 pts |
Just over a third of adults in San Carlos never finished high school, well above the national share: only 64.7% 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 Carlos
| Period | San Carlos | McAllen area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.9% | 10.2% | 7.0% | 8.1% |
| 2010–14 | 9.1% | 10.5% | 7.7% | 9.4% |
| 2015–19 | 4.3% | 6.7% | 5.1% | 5.6% |
| 2020–24 | 7.8% | 7.6% | 5.3% | 5.4% |
| Change | −0.1 pts | −2.6 pts | −1.7 pts | −2.7 pts |
Finding work has been harder in San Carlos: 7.8% of the labor force was out of work and looking, well above the national rate of 5.4%. That is in line with the rest of the McAllen area. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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 Carlos 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 Carlos | 3.41 | 33.7 | 14.6% | 25.6% | 9.3% | 2000 | $973 | 15.1% | 64.7% | 7.8% |
| Edinburg | 2.96 | 32.0 | 17.3% | 45.4% | 10.7% | 2001 | $1,103 | 30.2% | 81.2% | 5.2% |
| Faysville | 3.49 | 32.7 | 9.5% | 20.8% | 8.4% | 1994 | $867 | 5.3% | 58.5% | 2.1% |
| Doolittle | 4.15 | 29.0 | 12.9% | 12.7% | 10.3% | 2000 | $891 | 7.9% | 64.1% | 11.5% |
| San Manuel-Linn | 3.62 | 29.5 | 16.7% | 29.1% | 6.4% | 2007 | $898 | 9.9% | 59.8% | 9.5% |
| Alton | 3.80 | 26.3 | 18.9% | 41.4% | 11.4% | 2004 | $1,048 | 14.3% | 66.5% | 8.5% |
| Cesar Chavez | 2.49 | 44.6 | 12.0% | 28.0% | 20.3% | 1990 | $822 | 13.3% | 81.5% | 10.8% |
| Nurillo | 3.76 | 28.2 | 19.8% | 23.4% | 9.1% | 2004 | $916 | 14.3% | 67.6% | 9.5% |
| Lopezville | 2.83 | 31.6 | 15.4% | 46.9% | 6.3% | 2006 | $838 | 20.9% | 69.5% | 7.4% |
| Palmhurst | 3.32 | 32.0 | 10.7% | 26.6% | 16.9% | 1999 | $1,033 | 42.9% | 85.7% | 5.8% |
| McAllen area | 3.42 | 31.9 | 18.6% | 32.5% | 12.4% | 1998 | $987 | 20.3% | 69.8% | 7.6% |
All figures 2020–24.
Cities with similar populations: Gulston, KY · Herndon, WV · Henderson, IA · Helix, OR · Hedley, TX · Hebron, MO · Havenhurst, MO · Hasty, AR · Woodberry, AR · Hardesty, OK
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 Carlos. 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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