Population 3,490 · Census ACS 2020–24
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Population and households in San Andreas
Household size in San Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 2.18 | 3.04 | 2.68 |
| 2010–14 | 2.17 | 3.10 | 2.73 |
| 2015–19 | 3.17 | 3.09 | 2.71 |
| 2020–24 | 2.26 | 3.01 | 2.65 |
| Change | +0.08 | −0.03 | −0.03 |
San Andreas is a place of small households, averaging 2.26 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children.
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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 51.0 | 35.8 | 37.7 |
| 2010–14 | 47.1 | 36.8 | 38.6 |
| 2015–19 | 43.0 | 37.9 | 39.6 |
| 2020–24 | 54.5 | 39.0 | 40.1 |
| Change | +3.4 | +3.1 | +2.3 |
San Andreas skews older: half of its residents are older than 54.5, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 51.0 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 6.3% | 13.5% | 12.3% |
| 2010–14 | 5.8% | 13.5% | 12.3% |
| 2015–19 | 22.8% | 12.3% | 11.6% |
| 2020–24 | 11.3% | 12.3% | 11.6% |
| Change | +5.0 pts | −1.2 pts | −0.6 pts |
Single parents head nearly one in eight households in San Andreas (11.3%), close to the national share of 11.6%. Single parents are less common here than in California as a whole (12.3%).
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 Andreas
Renters in San Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 33.8% | 42.6% | 33.3% |
| 2010–14 | 37.8% | 45.2% | 35.6% |
| 2015–19 | 38.0% | 45.2% | 36.0% |
| 2020–24 | 26.3% | 44.1% | 34.8% |
| Change | −7.5 pts | +1.5 pts | +1.5 pts |
Most households in San Andreas own their homes; 26.3% rent, below the national share of 34.8%. Among homeowners, 43.8% have no mortgage at all, 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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 9.8% | 8.7% | 11.4% |
| 2010–14 | 17.2% | 8.1% | 11.4% |
| 2015–19 | 14.7% | 7.5% | 11.1% |
| 2020–24 | 18.2% | 7.3% | 9.6% |
| Change | +8.4 pts | −1.4 pts | −1.8 pts |
Vacant homes make up 18.2% of the housing in San Andreas, 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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1972 | 1974 |
| 2010–14 | 1977 | 1973 | 1975 |
| 2015–19 | 1976 | 1974 | 1977 |
| 2020–24 | 1978 | 1976 | 1980 |
| Change | +6 | +4 | +6 |
Homes in San Andreas are about the same age as the nation's housing: the median home was built in 1978, versus 1980 nationally.
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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | $775 | $1,298 | $965 |
| 2010–14 | $981 | $1,379 | $1,040 |
| 2015–19 | $1,278 | $1,721 | $1,213 |
| 2020–24 | $1,173 | $2,229 | $1,571 |
| Change | +$398 | +$931 | +$606 |
Rent in San Andreas runs $1,173 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 42.8% 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 Andreas
Bachelor's degrees in San Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 21.3% | 29.1% | 28.4% |
| 2010–14 | 24.3% | 30.1% | 29.6% |
| 2015–19 | 11.5% | 32.9% | 32.1% |
| 2020–24 | 23.8% | 36.3% | 35.6% |
| Change | +2.4 pts | +7.1 pts | +7.2 pts |
Fewer adults in San Andreas have a four-year degree than in the country as a whole: 23.8%, 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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 93.3% | 79.9% | 84.9% |
| 2010–14 | 88.6% | 80.7% | 86.1% |
| 2015–19 | 87.1% | 82.6% | 87.7% |
| 2020–24 | 94.3% | 84.2% | 89.3% |
| Change | +1.0 pts | +4.3 pts | +4.3 pts |
High school completion is high in San Andreas: 94.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Andreas
| Period | San Andreas | California | U.S. |
|---|---|---|---|
| 2006–10 | 7.4% | 9.2% | 8.1% |
| 2010–14 | 8.9% | 11.3% | 9.4% |
| 2015–19 | 4.3% | 6.3% | 5.6% |
| 2020–24 | 4.6% | 6.6% | 5.4% |
| Change | −2.9 pts | −2.6 pts | −2.7 pts |
Jobs have been a little easier to find in San Andreas than nationally: unemployment was 4.6%, 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 Andreas 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 Andreas | 2.26 | 54.5 | 11.3% | 26.3% | 18.2% | 1978 | $1,173 | 23.8% | 94.3% | 4.6% |
| Paloma | 2.51 | 50.8 | 8.2% | 19.3% | 13.3% | 1988 | $1,283 | 21.8% | 94.2% | 5.0% |
| Angels Camp | 2.32 | 54.8 | 3.7% | 12.3% | 20.0% | 1993 | $1,735 | 24.8% | 95.4% | 3.4% |
| Mountain Ranch | 2.48 | 57.7 | 5.8% | 13.0% | 19.8% | 1991 | $1,340 | 26.7% | 91.0% | 11.5% |
| Altaville | 2.55 | 43.8 | 6.4% | 31.9% | 21.8% | 1987 | $1,824 | 29.1% | 93.4% | 7.1% |
| Campo Seco | 3.32 | 43.7 | 8.7% | 25.0% | 6.6% | 1986 | $1,201 | 13.2% | 93.9% | 3.7% |
| Angels | 2.29 | 52.6 | 8.2% | 20.9% | 18.9% | 1986 | $1,856 | 26.2% | 92.4% | 3.3% |
| Valley Springs | 2.79 | 48.2 | 4.1% | 13.8% | 13.1% | 1993 | $1,534 | 20.2% | 93.8% | 5.5% |
| Rancho Calaveras | 3.12 | 38.9 | 9.5% | 5.2% | 11.4% | 1991 | $1,805 | 13.3% | 87.4% | 2.2% |
| Burson | 2.93 | 46.8 | 4.8% | 20.3% | 6.7% | 1991 | $1,538 | 16.7% | 93.1% | 2.7% |
| Murphys | 2.11 | 56.5 | 2.0% | 19.3% | 27.7% | 1984 | $1,693 | 34.3% | 93.9% | 5.0% |
All figures 2020–24.
Cities with similar populations: Borrego Springs, CA · Branford, FL · Catalina, AZ · Collinsville, TX · Gosnell, AR · Duffield, VA · Dulce, NM · Fe Warren Afb, WY · Onawa, IA · Ridgetop, TN
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 Andreas. 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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