Population 261 · Census ACS 2020–24
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Population and households in ZIP 93603
Household size in ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 2.01 | 3.04 | 2.68 |
| 2010–14 | 1.82 | 3.10 | 2.73 |
| 2015–19 | 2.39 | 3.09 | 2.71 |
| 2020–24 | 2.94 | 3.01 | 2.65 |
| Change | +0.92 | −0.03 | −0.03 |
Households in ZIP 93603 are large by national standards, averaging 2.94 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.01 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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 55.2 | 35.8 | 37.7 |
| 2010–14 | 58.4 | 36.8 | 38.6 |
| 2015–19 | 58.1 | 37.9 | 39.6 |
| 2020–24 | 44.9 | 39.0 | 40.1 |
| Change | −10.3 | +3.1 | +2.3 |
ZIP 93603 skews older: half of its residents are older than 44.9, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 7.8% | 13.5% | 12.3% |
| 2010–14 | 11.9% | 13.5% | 12.3% |
| 2015–19 | 1.4% | 12.3% | 11.6% |
| 2020–24 | 4.0% | 12.3% | 11.6% |
| Change | −3.8 pts | −1.2 pts | −0.6 pts |
Single parents head only 4.0% of households in ZIP 93603, well below the national share of 11.6%.
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 ZIP 93603
Renters in ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 33.0% | 42.6% | 33.3% |
| 2010–14 | 22.0% | 45.2% | 35.6% |
| 2015–19 | 10.4% | 45.2% | 36.0% |
| 2020–24 | 26.4% | 44.1% | 34.8% |
| Change | −6.7 pts | +1.5 pts | +1.5 pts |
Just over a quarter of households in ZIP 93603 rent their homes (26.4%), below the national share of 34.8%; the rest own. Among homeowners, 47.7% 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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 39.6% | 8.7% | 11.4% |
| 2010–14 | 57.1% | 8.1% | 11.4% |
| 2015–19 | 64.7% | 7.5% | 11.1% |
| 2020–24 | 23.0% | 7.3% | 9.6% |
| Change | −16.5 pts | −1.4 pts | −1.8 pts |
Vacant homes make up 23.0% of the housing in ZIP 93603, 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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 1964 | 1972 | 1974 |
| 2010–14 | 1969 | 1973 | 1975 |
| 2015–19 | 1962 | 1974 | 1977 |
| 2020–24 | 1969 | 1976 | 1980 |
| Change | +5 | +4 | +6 |
ZIP 93603 is a place of older homes: half were built before 1969, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | $741 | $1,298 | $965 |
| 2010–14 | $778 | $1,379 | $1,040 |
| 2015–19 | $1,215 | $1,721 | $1,213 |
| 2020–24 | $740 | $2,229 | $1,571 |
| Change | −$2 | +$931 | +$606 |
A typical rental in ZIP 93603 costs $740 a month with utilities, well below the national median of $1,571. The typical renter here spends 30.0% of household income on rent, just over 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 ZIP 93603
Bachelor's degrees in ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 24.2% | 29.1% | 28.4% |
| 2010–14 | 17.2% | 30.1% | 29.6% |
| 2015–19 | 24.1% | 32.9% | 32.1% |
| 2020–24 | 21.1% | 36.3% | 35.6% |
| Change | −3.1 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 93603: 21.1% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%.
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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 80.5% | 79.9% | 84.9% |
| 2010–14 | 82.7% | 80.7% | 86.1% |
| 2015–19 | 83.5% | 82.6% | 87.7% |
| 2020–24 | 77.2% | 84.2% | 89.3% |
| Change | −3.3 pts | +4.3 pts | +4.3 pts |
More than one in five adults in ZIP 93603 never finished high school, well above the national share: only 77.2% 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 ZIP 93603
| Period | ZIP 93603 | California | U.S. |
|---|---|---|---|
| 2006–10 | 6.4% | 9.2% | 8.1% |
| 2010–14 | 20.5% | 11.3% | 9.4% |
| 2015–19 | 2.5% | 6.3% | 5.6% |
| 2020–24 | 2.8% | 6.6% | 5.4% |
| Change | −3.6 pts | −2.6 pts | −2.7 pts |
The job market in ZIP 93603 has been strong: just 2.8% of the labor force was out of work and looking, well below the national rate of 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).
ZIP 93603 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 93603 | 2.94 | 44.9 | 4.0% | 26.4% | 23.0% | 1969 | $740 | 21.1% | 77.2% | 2.8% |
| ZIP 93641 | 2.18 | 38.5 | 4.8% | 53.2% | 44.6% | 1978 | $749 | 17.2% | 96.4% | 5.3% |
| ZIP 93621 | 2.43 | 45.2 | 17.2% | 36.5% | 14.9% | 1986 | $1,172 | 28.8% | 92.8% | 6.7% |
| ZIP 93628 | 1.69 | 26.9 | 4.4% | 78.5% | 59.0% | 1974 | $235 | 10.9% | 100.0% | 3.9% |
| ZIP 93675 | 2.85 | 45.4 | 10.3% | 24.9% | 17.3% | 1986 | $1,378 | 25.5% | 88.6% | 7.5% |
| ZIP 93633 | 1.59 | 41.0 | 3.9% | 58.9% | 60.2% | 1974 | $407 | 26.1% | 95.4% | 5.1% |
| ZIP 93262 | 1.40 | 68.1 | 2.8% | 37.3% | 62.3% | 1975 | $738 | 55.5% | 86.4% | 7.4% |
| ZIP 93647 | 4.26 | 30.7 | 30.3% | 46.1% | 5.1% | 1980 | $1,174 | 5.3% | 48.3% | 18.2% |
| ZIP 93646 | 3.95 | 26.9 | 27.5% | 54.6% | 4.7% | 1986 | $1,019 | 11.1% | 52.7% | 16.9% |
| ZIP 93615 | 3.79 | 29.7 | 22.9% | 60.2% | 4.7% | 1977 | $1,266 | 6.8% | 51.1% | 12.1% |
| ZIP 93666 | 3.47 | 42.8 | 17.4% | 52.6% | 12.1% | 1973 | $979 | 14.0% | 65.0% | 18.9% |
All figures 2020–24.
Zip codes with similar populations: 02873, RI · 99791, AK · 97731, OR · 97635, CA · 97625, OR · 23091, VA · 21251, MD · 17920, PA · 17836, PA · 15750, PA
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 ZIP 93603. 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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