99645 vs 99577 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99645, Orange = ZIP 99577.
Quick verdict: ZIP 99645 is more affordable rent, more diverse, higher work-from-home share. ZIP 99577 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
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 99577
Anchorage municipality, AK
View full profile →- Population27,917
- Median Income$135,011
- Median Home Value$413k
- Median Rent$1,542
- Median Age34.4 yrs
- Poverty Rate5.2%
Visual comparison (same scale)
Population
31,49427,917
Median Income
$97,069$135,011
Median Home Value
$338k$413k
Median Rent
$1,180$1,542
Median Age
36.5 yrs34.4 yrs
Poverty Rate
8.7%5.2%
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 99577
Anchorage municipality, AK
View full profile →- White %78.7%
- Black %2.9%
- Asian %3.1%
- Hispanic %6.0%
- Age 0–17 %25.6%
- Age 18–64 %62.6%
- Age 65+ %11.8%
- Bachelor's+ %45.5%
- Diversity Index37/100
Visual comparison (same scale)
White %
77.7%78.7%
Black %
1.4%2.9%
Asian %
1.2%3.1%
Hispanic %
6.4%6.0%
Age 0–17 %
26.0%25.6%
Age 18–64 %
60.3%62.6%
Age 65+ %
13.7%11.8%
Bachelor's+ %
31.1%45.5%
Diversity Index
37/10037/100
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 99577
Anchorage municipality, AK
View full profile →- Median Income$135,011
- Unemployment %3.1%
- IRS Net Migration+1,111
- Work From Home %9.2%
Visual comparison (same scale)
Median Income
$97,069$135,011
Unemployment %
5.7%3.1%
IRS Net Migration
+1,253+1,111
Work From Home %
9.5%9.2%
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 99577
Anchorage municipality, AK
View full profile →- Median Home Value$413k
- Median Rent$1,542
- Owner Occupied %78.9%
- Broadband %95.6%
- Vacant %4.0%
- Median Year Built1988
Visual comparison (same scale)
Median Home Value
$338k$413k
Median Rent
$1,180$1,542
Owner Occupied %
78.6%78.9%
Broadband %
94.2%95.6%
Vacant %
7.9%4.0%
Median Year Built
19961988
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 99577
Anchorage municipality, AK
View full profile →- Snow Days/Year0 days
- Elevation (ft)520 ft
- Nearest Airport18.9 miles (30.4 km)
- Distance to Coast1303.3 miles (2097.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
733 ft520 ft
Nearest Airport
4.1 miles (6.5 km)18.9 miles (30.4 km)
Distance to Coast
1311.4 miles (2110.5 km)1303.3 miles (2097.4 km)
Infrastructure
ZIP 99645
Knik River CDP, AK
View full profile →- Work From Home %9.5%
- Walkability (0–100)35
- Broadband %94.2%
ZIP 99577
Anchorage municipality, AK
View full profile →- Work From Home %9.2%
- Walkability (0–100)47
- Broadband %95.6%
Visual comparison (same scale)
Work From Home %
9.5%9.2%
Walkability (0–100)
3547
Broadband %
94.2%95.6%
Frequently Asked Questions
How do ZIP 99645 and 99577 compare?
ZIP 99645 is more affordable rent, more diverse, higher work-from-home share. ZIP 99577 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated.
What do the blue and orange colors mean?
Blue represents the first ZIP (99645), orange the second (99577). 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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