Population 11,505 · Census ACS 2020–24
Choose a measure to map it.Tap a measure to map it. Swipe the row for more. Arrows show the change since 2006–10.
Median age by neighborhoodHistory and comparison ↓︎
Younger residents
Older residents
Colorblind friendly
off
More maps of Cardiff By The Sea: Best Neighborhoods · Walk Grade · Household income · Home prices · Race · Politics · Traffic noise · Internet
Population and households in Cardiff By The Sea
Household size in Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.55 | 2.87 | 3.04 | 2.68 |
| 2010–14 | 2.68 | 2.98 | 3.10 | 2.73 |
| 2015–19 | 2.53 | 2.99 | 3.09 | 2.71 |
| 2020–24 | 2.56 | 2.86 | 3.01 | 2.65 |
| Change | +0.01 | −0.02 | −0.03 | −0.03 |
Households in Cardiff By The Sea run a little small, averaging 2.56 people against 2.65 nationally, which usually means more singles and couples and fewer children. The biggest households, usually families with children, are concentrated in the north.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 40.1 | 36.1 | 35.8 | 37.7 |
| 2010–14 | 39.1 | 36.7 | 36.8 | 38.6 |
| 2015–19 | 45.6 | 37.8 | 37.9 | 39.6 |
| 2020–24 | 42.6 | 39.0 | 39.0 | 40.1 |
| Change | +2.5 | +2.8 | +3.1 | +2.3 |
The median resident of Cardiff By The Sea is 42.6 years old, a bit older than the national median of 40.1. The median age has climbed from 40.1 in 2006–10, mirroring the country. Residents skew youngest in the north and oldest in the south.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.1% | 11.8% | 13.5% | 12.3% |
| 2010–14 | 4.0% | 11.7% | 13.5% | 12.3% |
| 2015–19 | 9.5% | 10.8% | 12.3% | 11.6% |
| 2020–24 | 4.6% | 10.4% | 12.3% | 11.6% |
| Change | −3.5 pts | −1.5 pts | −1.2 pts | −0.6 pts |
Single-parent households are relatively rare in Cardiff By The Sea: 4.6% of households, against 11.6% nationally. Since 2006–10, the single-parent share has fallen 3.5 points, a much bigger shift than nationally. Only 35 of the 689 California cities with 5,000+ people have a lower share of single-parent households.
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 Cardiff By The Sea
Renters in Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 42.7% | 44.1% | 42.6% | 33.3% |
| 2010–14 | 40.4% | 46.6% | 45.2% | 35.6% |
| 2015–19 | 42.1% | 46.7% | 45.2% | 36.0% |
| 2020–24 | 38.5% | 45.4% | 44.1% | 34.8% |
| Change | −4.3 pts | +1.4 pts | +1.5 pts | +1.5 pts |
Nearly four in ten households in Cardiff By The Sea rent their homes (38.5%), a bit above the national share of 34.8%. Locally, though, renters make up a smaller share here than in the San Diego area overall (45.4%). Among owners, 40.9% have paid off their mortgages, about the same as nationally. The renter share is down 4.3 points from 2006–10, even as the national share rose.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.9% | 8.7% | 8.7% | 11.4% |
| 2010–14 | 9.5% | 7.9% | 8.1% | 11.4% |
| 2015–19 | 7.7% | 7.5% | 7.5% | 11.1% |
| 2020–24 | 12.0% | 7.1% | 7.3% | 9.6% |
| Change | +4.1 pts | −1.6 pts | −1.4 pts | −1.8 pts |
Vacancy runs a little high in Cardiff By The Sea: 12.0% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Since 2006–10, vacancy has risen 4.1 points, even as the national rate fell.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 1974 | 1977 | 1972 | 1974 |
| 2010–14 | 1976 | 1978 | 1973 | 1975 |
| 2015–19 | 1975 | 1979 | 1974 | 1977 |
| 2020–24 | 1977 | 1981 | 1976 | 1980 |
| Change | +3 | +4 | +4 | +6 |
The typical home in Cardiff By The Sea was built around 1977, about the same vintage as the country's housing overall (1980). Homes here are older than in the wider San Diego area, where the median home dates to 1981.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,654 | $1,408 | $1,298 | $965 |
| 2010–14 | $1,800 | $1,481 | $1,379 | $1,040 |
| 2015–19 | $2,183 | $1,868 | $1,721 | $1,213 |
| 2020–24 | $3,075 | $2,468 | $2,229 | $1,571 |
| Change | +$1,421 | +$1,061 | +$931 | +$606 |
Rent in Cardiff By The Sea runs $3,075 a month at the median, utilities included, well above the U.S. median of $1,571. Rent has climbed $1,421 a month since 2006–10, up 86%, faster than rents rose nationally. Rent takes 25.1% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Rents run highest in the south and lowest in the northwest.
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 Cardiff By The Sea
Bachelor's degrees in Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 54.4% | 33.5% | 29.1% | 28.4% |
| 2010–14 | 58.1% | 34.7% | 30.1% | 29.6% |
| 2015–19 | 58.9% | 38.2% | 32.9% | 32.1% |
| 2020–24 | 72.1% | 42.8% | 36.3% | 35.6% |
| Change | +17.7 pts | +9.3 pts | +7.1 pts | +7.2 pts |
Cardiff By The Sea is highly educated: just over seven in ten adults 25 and older (72.1%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree is up 17.7 points from 2006–10, as it has nationally. Only 45 of the 689 California cities with 5,000+ people have a higher share of college graduates.
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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 92.6% | 84.9% | 79.9% | 84.9% |
| 2010–14 | 93.8% | 85.5% | 80.7% | 86.1% |
| 2015–19 | 96.6% | 87.3% | 82.6% | 87.7% |
| 2020–24 | 94.4% | 89.0% | 84.2% | 89.3% |
| Change | +1.8 pts | +4.0 pts | +4.3 pts | +4.3 pts |
High school completion is high in Cardiff By The Sea: 94.4% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 1.8 points, as it has 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 Cardiff By The Sea
| Period | Cardiff By The Sea | San Diego area | California | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.9% | 7.9% | 9.2% | 8.1% |
| 2010–14 | 5.1% | 9.9% | 11.3% | 9.4% |
| 2015–19 | 3.9% | 6.1% | 6.3% | 5.6% |
| 2020–24 | 3.8% | 6.1% | 6.6% | 5.4% |
| Change | −1.0 pts | −1.8 pts | −2.6 pts | −2.7 pts |
Jobs have been easier to find in Cardiff By The Sea than nationally: unemployment was 3.8%, against 5.4%. Only 67 of the 689 California cities with 5,000+ people have lower unemployment. 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).
Cardiff By The Sea 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Cardiff By The Sea | 2.56 | 42.6 | 4.6% | 38.5% | 12.0% | 1977 | $3,075 | 72.1% | 94.4% | 3.8% |
| Encinitas | 2.59 | 45.6 | 7.7% | 33.8% | 8.2% | 1982 | $2,941 | 67.3% | 96.0% | 4.5% |
| Solana Beach | 2.28 | 50.4 | 6.2% | 31.9% | 11.6% | 1978 | $3,125 | 72.5% | 97.5% | 3.3% |
| Rancho Santa Fe | 2.69 | 49.0 | 8.3% | 11.1% | 24.0% | 1986 | $3,462 | 74.3% | 98.5% | 5.6% |
| Del Mar | 2.37 | 50.6 | 5.1% | 28.2% | 15.1% | 1975 | $3,227 | 84.3% | 98.5% | 4.1% |
| Carlsbad | 2.65 | 43.7 | 7.0% | 36.8% | 8.0% | 1989 | $2,871 | 63.1% | 97.0% | 5.3% |
| San Marcos | 3.00 | 39.6 | 10.6% | 34.9% | 5.7% | 1993 | $2,500 | 43.5% | 87.6% | 4.7% |
| Sunny Vista | 2.78 | 40.2 | 10.3% | 34.6% | 6.1% | 1996 | $3,241 | 61.1% | 94.8% | 5.0% |
| Vista | 3.10 | 37.2 | 13.7% | 44.7% | 5.3% | 1982 | $2,368 | 28.5% | 82.1% | 6.8% |
| Escondido | 2.99 | 39.4 | 11.8% | 40.9% | 4.8% | 1982 | $2,385 | 31.7% | 82.0% | 4.8% |
| Poway | 2.94 | 42.3 | 7.2% | 23.9% | 4.3% | 1980 | $2,738 | 54.3% | 94.3% | 5.2% |
All figures 2020–24.
Cities with similar populations: Wallingford, PA · New Baltimore, VA · Centerville, MA · Cedar Hills, UT · Kenai, AK · Campobello, SC · Camp Verde, AZ · Calimesa, CA · Cahokia, IL · Burkburnett, TX
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 Cardiff By The Sea. 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.
No other site shows detail at this level for free. We are able to keep this site free by receiving a small commission from the referring links on this page. Please share or cite this page if you aren’t able to otherwise support our work.