99918 vs 99921 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99918, Orange = ZIP 99921.
Quick verdict: ZIP 99918 is higher home values, lower poverty rate. ZIP 99921 is wealthier, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 99918
Coffman Cove city, AK
View full profile →- Population308
- Median Income$48,611
- Median Home Value$375k
- Median Rent—
- Median Age57.0 yrs
- Poverty Rate12.3%
ZIP 99921
Hollis CDP, AK
View full profile →- Population1,667
- Median Income$59,455
- Median Home Value$263k
- Median Rent$828
- Median Age48.0 yrs
- Poverty Rate15.4%
Visual comparison (same scale)
Population
3081,667
Median Income
$48,611$59,455
Median Home Value
$375k$263k
Median Rent
—$828
Median Age
57.0 yrs48.0 yrs
Poverty Rate
12.3%15.4%
Demographics
ZIP 99918
Coffman Cove city, AK
View full profile →- White %98.0%
- Black %0.0%
- Asian %0.0%
- Hispanic %2.3%
- Age 0–17 %28.9%
- Age 18–64 %32.1%
- Age 65+ %39.0%
- Bachelor's+ %16.4%
- Diversity Index4/100
ZIP 99921
Hollis CDP, AK
View full profile →- White %69.5%
- Black %0.2%
- Asian %3.8%
- Hispanic %3.8%
- Age 0–17 %15.2%
- Age 18–64 %64.1%
- Age 65+ %20.7%
- Bachelor's+ %22.4%
- Diversity Index46/100
Visual comparison (same scale)
White %
98.0%69.5%
Black %
0.0%0.2%
Asian %
0.0%3.8%
Hispanic %
2.3%3.8%
Age 0–17 %
28.9%15.2%
Age 18–64 %
32.1%64.1%
Age 65+ %
39.0%20.7%
Bachelor's+ %
16.4%22.4%
Diversity Index
4/10046/100
Economy
ZIP 99918
Coffman Cove city, AK
View full profile →- Median Income$48,611
- Unemployment %6.1%
- IRS Net Migration+12
- Work From Home %7.6%
- Mean Commute (min)85 min
ZIP 99921
Hollis CDP, AK
View full profile →- Median Income$59,455
- Unemployment %5.1%
- IRS Net Migration+66
- Work From Home %11.6%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$48,611$59,455
Unemployment %
6.1%5.1%
IRS Net Migration
+12+66
Work From Home %
7.6%11.6%
Mean Commute (min)
85 min—
Housing
ZIP 99918
Coffman Cove city, AK
View full profile →- Median Home Value$375k
- Median Rent—
- Owner Occupied %94.1%
- Broadband %89.7%
- Vacant %43.8%
- Median Year Built1995
ZIP 99921
Hollis CDP, AK
View full profile →- Median Home Value$263k
- Median Rent$828
- Owner Occupied %69.3%
- Broadband %81.6%
- Vacant %28.4%
- Median Year Built1988
Visual comparison (same scale)
Median Home Value
$375k$263k
Median Rent
—$828
Owner Occupied %
94.1%69.3%
Broadband %
89.7%81.6%
Vacant %
43.8%28.4%
Median Year Built
19951988
Climate & Location
ZIP 99918
Coffman Cove city, AK
View full profile →- Snow Days/Year0 days
- Elevation (ft)286 ft
- Nearest Airport27.6 miles (44.5 km)
- Distance to Coast618.7 miles (995.7 km)
ZIP 99921
Hollis CDP, AK
View full profile →- Snow Days/Year0 days
- Elevation (ft)43 ft
- Nearest Airport17.0 miles (27.3 km)
- Distance to Coast592.4 miles (953.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
286 ft43 ft
Nearest Airport
27.6 miles (44.5 km)17.0 miles (27.3 km)
Distance to Coast
618.7 miles (995.7 km)592.4 miles (953.3 km)
Infrastructure
ZIP 99918
Coffman Cove city, AK
View full profile →- Mean Commute (min)85 min
- Work From Home %7.6%
- Walkability (0–100)22
- Broadband %89.7%
ZIP 99921
Hollis CDP, AK
View full profile →- Mean Commute (min)—
- Work From Home %11.6%
- Walkability (0–100)38
- Broadband %81.6%
Visual comparison (same scale)
Mean Commute (min)
85 min—
Work From Home %
7.6%11.6%
Walkability (0–100)
2238
Broadband %
89.7%81.6%
Frequently Asked Questions
How do ZIP 99918 and 99921 compare?
ZIP 99918 is higher home values, lower poverty rate. ZIP 99921 is wealthier, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (99918), orange the second (99921). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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