99645 vs 99688 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99645, Orange = ZIP 99688.
Quick verdict: ZIP 99645 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated. ZIP 99688 is more affordable rent, higher work-from-home share.
Quick Facts
ZIP 99645
Knik River CDP, AK
View full profile →- Population31,494
- Median Income$97,069
- Median Home Value$338k
- Median Rent$1,180
- Median Age36.5 yrs
- Poverty Rate8.7%
ZIP 99688
Willow CDP, AK
View full profile →- Population2,542
- Median Income$67,907
- Median Home Value$267k
- Median Rent$1,067
- Median Age47.3 yrs
- Poverty Rate15.6%
Visual comparison (same scale)
Population
31,4942,542
Median Income
$97,069$67,907
Median Home Value
$338k$267k
Median Rent
$1,180$1,067
Median Age
36.5 yrs47.3 yrs
Poverty Rate
8.7%15.6%
Demographics
ZIP 99645
Knik River CDP, AK
View full profile →- White %77.7%
- Black %1.4%
- Asian %1.2%
- Hispanic %6.4%
- Age 0–17 %26.0%
- Age 18–64 %60.3%
- Age 65+ %13.7%
- Bachelor's+ %31.1%
- Diversity Index37/100
ZIP 99688
Willow CDP, AK
View full profile →- White %88.0%
- Black %0.0%
- Asian %0.5%
- Hispanic %3.0%
- Age 0–17 %20.9%
- Age 18–64 %56.5%
- Age 65+ %22.6%
- Bachelor's+ %25.2%
- Diversity Index22/100
Visual comparison (same scale)
White %
77.7%88.0%
Black %
1.4%0.0%
Asian %
1.2%0.5%
Hispanic %
6.4%3.0%
Age 0–17 %
26.0%20.9%
Age 18–64 %
60.3%56.5%
Age 65+ %
13.7%22.6%
Bachelor's+ %
31.1%25.2%
Diversity Index
37/10022/100
Economy
ZIP 99645
Knik River CDP, AK
View full profile →- Median Income$97,069
- Unemployment %5.7%
- IRS Net Migration+1,253
- Work From Home %9.5%
ZIP 99688
Willow CDP, AK
View full profile →- Median Income$67,907
- Unemployment %9.6%
- IRS Net Migration+101
- Work From Home %23.2%
Visual comparison (same scale)
Median Income
$97,069$67,907
Unemployment %
5.7%9.6%
IRS Net Migration
+1,253+101
Work From Home %
9.5%23.2%
Housing
ZIP 99645
Knik River CDP, AK
View full profile →- Median Home Value$338k
- Median Rent$1,180
- Owner Occupied %78.6%
- Broadband %94.2%
- Vacant %7.9%
- Median Year Built1996
ZIP 99688
Willow CDP, AK
View full profile →- Median Home Value$267k
- Median Rent$1,067
- Owner Occupied %90.3%
- Broadband %79.8%
- Vacant %64.1%
- Median Year Built1996
Visual comparison (same scale)
Median Home Value
$338k$267k
Median Rent
$1,180$1,067
Owner Occupied %
78.6%90.3%
Broadband %
94.2%79.8%
Vacant %
7.9%64.1%
Median Year Built
19961996
Climate & Location
ZIP 99645
Knik River CDP, AK
View full profile →- Snow Days/Year0 days
- Elevation (ft)733 ft
- Nearest Airport4.1 miles (6.5 km)
- Distance to Coast1311.4 miles (2110.5 km)
ZIP 99688
Willow CDP, AK
View full profile →- Snow Days/Year0 days
- Elevation (ft)205 ft
- Nearest Airport21.9 miles (35.3 km)
- Distance to Coast1338.8 miles (2154.6 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
733 ft205 ft
Nearest Airport
4.1 miles (6.5 km)21.9 miles (35.3 km)
Distance to Coast
1311.4 miles (2110.5 km)1338.8 miles (2154.6 km)
Infrastructure
ZIP 99645
Knik River CDP, AK
View full profile →- Work From Home %9.5%
- Walkability (0–100)35
- Broadband %94.2%
ZIP 99688
Willow CDP, AK
View full profile →- Work From Home %23.2%
- Walkability (0–100)18
- Broadband %79.8%
Visual comparison (same scale)
Work From Home %
9.5%23.2%
Walkability (0–100)
3518
Broadband %
94.2%79.8%
Frequently Asked Questions
How do ZIP 99645 and 99688 compare?
ZIP 99645 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated. ZIP 99688 is more affordable rent, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (99645), orange the second (99688). 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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