US Census Data

ZIP 99320 vs ZIP 99321

A side-by-side comparison of ZIP Code 99320 and ZIP Code 99321: population, income, housing, and more.

ZIP 99320 and ZIP 99321 are ZIP Code areas in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99320 has the higher population (10,157 vs 905 in ZIP 99321). ZIP 99321 has the higher median household income ($90,428 vs $84,494 in ZIP 99320). Since 2019, ZIP 99321's population has grown faster (+54.4% vs +2.1%).

Population, income & housing

ZIP 99320ZIP 99321
Population10,157905
Median age33.3 yrs25.0 yrs
Median household income$84,494$90,428
Median home value$300,300
Median gross rent$1,090
Housing units3,781213
Homeownership rate84.9%60.2%
Bachelor's degree or higher16.6%5.5%
Unemployment rate3.9%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 99320ZIP 99321
Population9,947 → 10,157 (+2.1%)586 → 905 (+54.4%)
Median household income$63,075 → $84,494 (+34.0%)$66,410 → $90,428 (+36.2%)
Median home value$188,400 → $300,300 (+59.4%)
Median gross rent$907 → $1,090 (+20.2%)

ZIP 99320

Population
9,94710,157
Median household income
$63,075$84,494
Median home value
$188,400$300,300
Median gross rent
$907$1,090

ZIP 99321

Population
586905
Median household income
$66,410$90,428

Age & race/ethnicity

Age distribution (share)

ZIP 99320ZIP 99321
Under 59.8%7.1%
5 to 1718.6%20.4%
18 to 247.6%22.4%
25 to 3416.7%11.0%
35 to 4412.7%13.0%
45 to 5411.0%10.7%
55 to 649.4%12.8%
65 to 7410.0%2.4%
75 and over4.4%0.0%

Race & ethnicity (share)

ZIP 99320ZIP 99321
White (non-Hispanic)66.1%20.3%
Black or African American0.0%3.0%
American Indian & Alaska Native0.8%0.0%
Asian0.4%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.6%0.0%
Two or more races4.5%0.0%
Hispanic or Latino27.6%76.7%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99320ZIP 99321
No high school diploma12.6%43.5%
High school graduate28.4%31.8%
Some college or associate's42.4%19.2%
Bachelor's degree12.5%3.1%
Graduate or professional degree4.0%2.4%

Commute to work

How workers get to work (share)

ZIP 99320ZIP 99321
Drove alone74.4%73.6%
Carpooled14.6%15.6%
Public transit0.0%0.0%
Walked0.3%7.9%
Bicycle0.0%0.0%
Worked from home10.3%3.0%
Other means0.3%0.0%

Housing

Units in structure (share)

ZIP 99320ZIP 99321
1-unit, detached53.9%38.0%
1-unit, attached3.2%0.0%
2 to 4 units4.5%0.0%
5 to 19 units0.0%5.6%
20 or more units0.0%0.0%
Mobile home & other38.4%56.3%

Poverty & households

ZIP 99320ZIP 99321
Poverty rate10.3%15.6%
Average household size2.965.02
Mean commute (minutes)2918
Median year structure built19911975

Full profiles

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ZIP 99320 vs ZIP 99321: Compare Population & Demographics | US Census Data