99320, WA Demographics

Population 10,990 · Census ACS 2020–24

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99320, WA map of median age by neighborhood
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Population and households in ZIP 99320

Household size in ZIP 99320

Household size, people per household
PeriodZIP 99320WashingtonU.S.
2006–102.712.562.68
2010–142.772.622.73
2015–192.702.622.71
2020–242.962.612.65
Change+0.25+0.05−0.03
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Households in ZIP 99320 are large by national standards, averaging 2.96 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.71 in 2006–10, even as the national average fell.

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 99320

Median age, years
PeriodZIP 99320WashingtonU.S.
2006–1040.438.037.7
2010–1441.238.738.6
2015–1939.539.339.6
2020–2435.639.640.1
Change−4.8+1.6+2.3
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With a median age of just 35.6, ZIP 99320 is far younger than the country as a whole (40.1), a population that tilts toward young families with children. Since 2006–10, the median age has dropped from 40.4, even as the national median rose. Residents skew youngest in the north and oldest in the east.

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 99320

Single-parent households, % of households
PeriodZIP 99320WashingtonU.S.
2006–1010.0%10.9%12.3%
2010–1411.5%10.6%12.3%
2015–1911.6%10.1%11.6%
2020–2410.0%10.1%11.6%
Change−0.0 pts−0.8 pts−0.6 pts
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Single-parent households are a bit less common in ZIP 99320 than nationally: 10.0%, against 11.6%. The picture is much the same across Washington.

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 99320

Renters in ZIP 99320

Renters, % of occupied homes
PeriodZIP 99320WashingtonU.S.
2006–1015.7%35.2%33.3%
2010–1417.5%37.3%35.6%
2015–1923.4%37.0%36.0%
2020–2416.7%36.2%34.8%
Change+1.0 pts+1.0 pts+1.5 pts
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Only 16.7% of households in ZIP 99320 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 30.7% have no mortgage at all, below the national share of 39.8%. Renting is most common in the southeast and least common in the northeast. Since 2006–10, the renter share has edged up 1.0 points, as it has nationally.

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 99320

Vacant homes, % of all homes
PeriodZIP 99320WashingtonU.S.
2006–107.3%9.2%11.4%
2010–146.8%9.2%11.4%
2015–194.1%8.2%11.1%
2020–247.0%7.6%9.6%
Change−0.4 pts−1.6 pts−1.8 pts
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Vacancy is on the low side in ZIP 99320: 7.0% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The picture is much the same across Washington.

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 99320

Age of homes, median year built
PeriodZIP 99320WashingtonU.S.
2006–10198319771974
2010–14198419791975
2015–19198619801977
2020–24199419841980
Change+11+6+6
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ZIP 99320 has newer housing than the country as a whole: the median home was built in 1994, versus 1980 nationally. The median year built has moved up from 1983 in 2006–10, a sign of steady new building. Newer construction is concentrated in the southeast, while the west has the oldest housing.

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 99320

Rent, per month
PeriodZIP 99320WashingtonU.S.
2006–10$694$1,018$965
2010–14$843$1,127$1,040
2015–19$805$1,390$1,213
2020–24$1,037$1,875$1,571
Change+$343+$858+$606
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A typical rental in ZIP 99320 costs $1,037 a month with utilities, well below the national median of $1,571. Rents are up $343 a month from 2006–10, a 49% rise, a slower climb than the nation's. The typical renter here spends 37.0% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Only 19 of the 295 Washington ZIP codes with 5,000+ people have lower rents.

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 99320

Bachelor's degrees in ZIP 99320

Bachelor's degrees, % of adults 25+
PeriodZIP 99320WashingtonU.S.
2006–1018.2%31.0%28.4%
2010–1421.0%32.1%29.6%
2015–1918.3%35.5%32.1%
2020–2423.2%38.8%35.6%
Change+5.1 pts+7.8 pts+7.2 pts
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Fewer adults in ZIP 99320 have a four-year degree than in the country as a whole: 23.2%, against 35.6% nationally. Since 2006–10, the share with a degree has risen 5.1 points, in line with the national trend. College graduates are most concentrated in the southeast and least in the center.

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 99320

High school graduates, % of adults 25+
PeriodZIP 99320WashingtonU.S.
2006–1085.4%89.5%84.9%
2010–1486.3%90.0%86.1%
2015–1985.0%91.0%87.7%
2020–2487.8%91.9%89.3%
Change+2.3 pts+2.4 pts+4.3 pts
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About one in eight adults in ZIP 99320 never finished high school, a bit more than nationally: 87.8% have a diploma or equivalent, against 89.3% across the U.S. The share with a diploma has risen 2.3 points since 2006–10, mirroring the country. ZIP 99320 has a lower share of high school graduates than at least four in five Washington ZIP codes.

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 99320

Unemployment, % of the labor force
PeriodZIP 99320WashingtonU.S.
2006–109.1%7.6%8.1%
2010–147.4%8.9%9.4%
2015–195.1%5.1%5.6%
2020–245.1%5.1%5.4%
Change−4.0 pts−2.5 pts−2.7 pts
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Unemployment in ZIP 99320 is close to the national rate: 5.1% of the labor force, against 5.4%. Since 2006–10, unemployment has fallen 4.0 points, mirroring the country. 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 99320 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 993202.9635.610.0%16.7%7.0%1994$1,03723.2%87.8%5.1%
ZIP 993533.0337.112.9%14.1%6.9%1998$1,85238.8%91.9%4.6%
ZIP 993542.4336.911.2%40.5%6.1%1971$1,39841.9%94.7%6.4%
ZIP 993522.5940.310.2%32.0%7.4%1993$1,87348.9%96.0%4.7%
ZIP 993382.9736.69.7%19.1%5.2%2005$1,49840.4%92.7%4.4%
ZIP 993503.0634.014.5%36.2%9.1%1985$1,08919.9%79.7%8.6%
ZIP 993362.6834.615.8%50.6%9.5%1975$1,28821.4%83.4%5.3%
ZIP 993013.2431.918.9%28.5%5.7%1993$1,62622.3%77.6%4.6%
ZIP 993372.9840.313.8%17.0%5.1%1987$1,46827.0%85.4%4.0%
ZIP 989303.3130.625.5%40.0%6.0%1979$1,0129.4%63.0%5.6%
ZIP 993233.1030.010.1%12.2%6.6%1986$1,00619.7%91.8%4.6%

All figures 2020–24.

Zip codes with similar populations: 07876, NJ · 15084, PA · 13078, NY · 11777, NY · 08889, NJ · 08251, NJ · 94925, CA · 07075, NJ · 28778, NC · 64504, MO

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 99320. 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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