Population 801 · Census ACS 2020–24
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Population and households in ZIP 98421
Household size in ZIP 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 1.54 | 2.52 | 2.56 | 2.68 |
| 2010–14 | 1.54 | 2.59 | 2.62 | 2.73 |
| 2015–19 | 1.60 | 2.62 | 2.62 | 2.71 |
| 2020–24 | 1.54 | 2.60 | 2.61 | 2.65 |
| Change | +0.00 | +0.09 | +0.05 | −0.03 |
ZIP 98421 is a place of small households, averaging 1.54 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 ZIP 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 54.2 | 37.5 | 38.0 | 37.7 |
| 2010–14 | 40.6 | 38.1 | 38.7 | 38.6 |
| 2015–19 | 34.9 | 38.5 | 39.3 | 39.6 |
| 2020–24 | 33.5 | 38.8 | 39.6 | 40.1 |
| Change | −20.7 | +1.3 | +1.6 | +2.3 |
ZIP 98421 is young: half of its residents are under 33.5, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples. Since 2006–10, the median age has dropped from 54.2, but in a place this small, much of that may be survey noise rather than real change.
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 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.4% | 10.3% | 10.9% | 12.3% |
| 2010–14 | 3.5% | 10.0% | 10.6% | 12.3% |
| 2015–19 | 1.0% | 9.2% | 10.1% | 11.6% |
| 2020–24 | 0.8% | 9.1% | 10.1% | 11.6% |
| Change | −11.6 pts | −1.2 pts | −0.8 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 98421: 0.8% of 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 ZIP 98421
Renters in ZIP 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 65.6% | 37.7% | 35.2% | 33.3% |
| 2010–14 | 63.0% | 40.0% | 37.3% | 35.6% |
| 2015–19 | 60.7% | 39.9% | 37.0% | 36.0% |
| 2020–24 | 68.0% | 40.0% | 36.2% | 34.8% |
| Change | +2.3 pts | +2.3 pts | +1.0 pts | +1.5 pts |
Renters far outnumber owners in ZIP 98421: 68.0% of households rent their homes, against 34.8% nationally. Among homeowners, 46.6% 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 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 20.5% | 7.9% | 9.2% | 11.4% |
| 2010–14 | 23.2% | 7.8% | 9.2% | 11.4% |
| 2015–19 | 9.2% | 6.8% | 8.2% | 11.1% |
| 2020–24 | 7.7% | 6.6% | 7.6% | 9.6% |
| Change | −12.8 pts | −1.3 pts | −1.6 pts | −1.8 pts |
Vacancy is on the low side in ZIP 98421: 7.7% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The picture is much the same across the Seattle area.
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 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 2000 | 1977 | 1977 | 1974 |
| 2010–14 | 2003 | 1978 | 1979 | 1975 |
| 2015–19 | 2005 | 1980 | 1980 | 1977 |
| 2020–24 | 2006 | 1983 | 1984 | 1980 |
| Change | +6 | +7 | +6 | +6 |
Much of the housing in ZIP 98421 is relatively new: half of its homes were built after 2006, compared with 1980 for the U.S. as a whole.
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 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,220 | $1,162 | $1,018 | $965 |
| 2010–14 | $1,249 | $1,284 | $1,127 | $1,040 |
| 2015–19 | $1,785 | $1,644 | $1,390 | $1,213 |
| 2020–24 | $2,148 | $2,193 | $1,875 | $1,571 |
| Change | +$928 | +$1,031 | +$858 | +$606 |
Rent in ZIP 98421 runs $2,148 a month at the median, utilities included, well above the U.S. median of $1,571. The Seattle area as a whole looks much the same. The typical renter here spends 27.0% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 98421
Bachelor's degrees in ZIP 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 35.2% | 36.7% | 31.0% | 28.4% |
| 2010–14 | 63.8% | 38.0% | 32.1% | 29.6% |
| 2015–19 | 27.3% | 42.3% | 35.5% | 32.1% |
| 2020–24 | 50.1% | 46.3% | 38.8% | 35.6% |
| Change | +14.9 pts | +9.6 pts | +7.8 pts | +7.2 pts |
ZIP 98421 is highly educated: about half of adults 25 and older (50.1%) hold at least a bachelor's degree, far above 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 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 88.9% | 91.3% | 89.5% | 84.9% |
| 2010–14 | 98.2% | 91.6% | 90.0% | 86.1% |
| 2015–19 | 74.0% | 92.5% | 91.0% | 87.7% |
| 2020–24 | 99.4% | 93.1% | 91.9% | 89.3% |
| Change | +10.5 pts | +1.8 pts | +2.4 pts | +4.3 pts |
Finishing high school is nearly universal in ZIP 98421: 99.4% 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 ZIP 98421
| Period | ZIP 98421 | Seattle area | Washington | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.7% | 6.9% | 7.6% | 8.1% |
| 2010–14 | 3.0% | 8.3% | 8.9% | 9.4% |
| 2015–19 | 13.5% | 4.5% | 5.1% | 5.6% |
| 2020–24 | 2.1% | 5.0% | 5.1% | 5.4% |
| Change | −2.6 pts | −2.0 pts | −2.5 pts | −2.7 pts |
The job market in ZIP 98421 has been strong: just 2.1% 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 98421 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 98421 | 1.54 | 33.5 | 0.8% | 68.0% | 7.7% | 2006 | $2,148 | 50.1% | 99.4% | 2.1% |
| ZIP 98402 | 1.40 | 32.7 | 6.4% | 85.7% | 8.7% | 1976 | $1,467 | 37.7% | 90.7% | 10.0% |
| ZIP 98418 | 2.45 | 37.3 | 11.1% | 35.9% | 6.2% | 1944 | $1,689 | 25.2% | 89.8% | 6.7% |
| ZIP 98405 | 2.26 | 39.1 | 18.4% | 51.0% | 5.5% | 1949 | $1,585 | 31.8% | 90.4% | 5.2% |
| ZIP 98403 | 1.97 | 38.9 | 4.8% | 58.2% | 4.6% | 1945 | $1,558 | 66.0% | 99.3% | 2.3% |
| ZIP 98404 | 2.88 | 35.6 | 17.1% | 32.6% | 5.3% | 1968 | $1,671 | 21.7% | 83.9% | 6.1% |
| ZIP 98416 | 2.78 | 20.9 | 28.1% | 46.8% | 5.0% | 1938 | $2,583 | 81.3% | 100.0% | 10.2% |
| ZIP 98422 | 2.72 | 41.2 | 10.2% | 22.4% | 3.2% | 1988 | $2,389 | 39.6% | 94.5% | 3.9% |
| ZIP 98424 | 2.86 | 32.4 | 11.4% | 48.2% | 6.3% | 1997 | $2,178 | 29.5% | 91.0% | 4.0% |
| ZIP 98408 | 2.65 | 38.7 | 13.1% | 28.7% | 5.6% | 1952 | $1,728 | 25.0% | 90.2% | 8.9% |
| ZIP 98443 | 2.56 | 40.9 | 9.0% | 18.1% | 3.7% | 1973 | $1,818 | 25.4% | 93.8% | 3.8% |
All figures 2020–24.
Zip codes with similar populations: 49679, MI · 79366, TX · 79031, TX · 77663, TX · 75437, TX · 54149, WI · 53826, WI · 53587, WI · 52255, IA · 52144, IA
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 98421. 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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