US Census Data

ZIP 99918 vs ZIP 99921

A side-by-side comparison of ZIP Code 99918 and ZIP Code 99921: population, income, housing, and more.

ZIP 99918 and ZIP 99921 are ZIP Code areas in Alaska. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 99921 has the higher population (1,667 vs 308 in ZIP 99918). ZIP 99921 has the higher median household income ($59,455 vs $48,611 in ZIP 99918). ZIP 99918 has the higher median home value ($375,000 vs $262,500 in ZIP 99921).

Population, income & housing

ZIP 99918ZIP 99921
Population3081,667
Median age57.0 yrs48.0 yrs
Median household income$48,611$59,455
Median home value$375,000$262,500
Median gross rent$1,009
Housing units2421,064
Homeownership rate94.1%69.3%
Bachelor's degree or higher16.4%22.4%
Unemployment rate6.1%5.1%

Trends (ACS 5-year, 2019–2023)

ZIP 99918ZIP 99921
Population213 → 308 (+44.6%)1,976 → 1,667 (-15.6%)
Median household income$41,250 → $48,611 (+17.8%)$52,188 → $59,455 (+13.9%)
Median home value$284,600 → $375,000 (+31.8%)$225,700 → $262,500 (+16.3%)
Median gross rent$865 → $1,009 (+16.6%)

ZIP 99918

Population
213308
Median household income
$41,250$48,611
Median home value
$284,600$375,000

ZIP 99921

Population
1,9761,667
Median household income
$52,188$59,455
Median home value
$225,700$262,500
Median gross rent
$865$1,009

Age & race/ethnicity

Age distribution (share)

ZIP 99918ZIP 99921
Under 512.0%3.0%
5 to 1716.9%12.2%
18 to 240.0%8.2%
25 to 345.5%13.0%
35 to 4412.7%10.3%
45 to 542.3%13.0%
55 to 6411.7%19.7%
65 to 7434.1%15.9%
75 and over4.9%4.8%

Race & ethnicity (share)

ZIP 99918ZIP 99921
White (non-Hispanic)95.8%69.2%
Black or African American0.0%0.2%
American Indian & Alaska Native0.0%10.0%
Asian0.0%3.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.8%
Two or more races1.9%12.2%
Hispanic or Latino2.3%3.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 99918ZIP 99921
No high school diploma0.9%6.7%
High school graduate43.8%38.0%
Some college or associate's38.8%32.9%
Bachelor's degree13.7%15.1%
Graduate or professional degree2.7%7.3%

Commute to work

How workers get to work (share)

ZIP 99918ZIP 99921
Drove alone66.3%54.0%
Carpooled10.9%10.3%
Public transit0.0%0.0%
Walked15.2%20.8%
Bicycle0.0%0.9%
Worked from home7.6%11.6%
Other means0.0%2.4%

Housing

Units in structure (share)

ZIP 99918ZIP 99921
1-unit, detached86.8%60.9%
1-unit, attached0.0%1.2%
2 to 4 units2.9%9.8%
5 to 19 units0.0%4.6%
20 or more units0.0%0.0%
Mobile home & other10.3%23.5%

Poverty & households

ZIP 99918ZIP 99921
Poverty rate12.3%15.4%
Average household size2.262.05
Mean commute (minutes)2015
Median year structure built19951988

Full profiles

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