99121 vs 99166 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99121, Orange = ZIP 99166.
Quick verdict: ZIP 99121 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated. ZIP 99166 is more diverse, higher work-from-home share.
Quick Facts
ZIP 99121
Danville CDP, WA
View full profile →- Population325
- Median Income$80,833
- Median Home Value$421k
- Median Rent—
- Median Age52.4 yrs
- Poverty Rate10.2%
ZIP 99166
Curlew Lake CDP, WA
View full profile →- Population2,879
- Median Income$59,821
- Median Home Value$273k
- Median Rent$616
- Median Age55.5 yrs
- Poverty Rate14.3%
Visual comparison (same scale)
Population
3252,879
Median Income
$80,833$59,821
Median Home Value
$421k$273k
Median Rent
—$616
Median Age
52.4 yrs55.5 yrs
Poverty Rate
10.2%14.3%
Demographics
ZIP 99121
Danville CDP, WA
View full profile →- White %96.3%
- Black %0.0%
- Asian %0.0%
- Hispanic %0.0%
- Age 0–17 %9.8%
- Age 18–64 %66.8%
- Age 65+ %23.4%
- Bachelor's+ %47.5%
- Diversity Index7/100
ZIP 99166
Curlew Lake CDP, WA
View full profile →- White %88.3%
- Black %0.1%
- Asian %0.0%
- Hispanic %3.5%
- Age 0–17 %14.4%
- Age 18–64 %53.7%
- Age 65+ %31.8%
- Bachelor's+ %19.5%
- Diversity Index21/100
Visual comparison (same scale)
White %
96.3%88.3%
Black %
0.0%0.1%
Asian %
0.0%0.0%
Hispanic %
0.0%3.5%
Age 0–17 %
9.8%14.4%
Age 18–64 %
66.8%53.7%
Age 65+ %
23.4%31.8%
Bachelor's+ %
47.5%19.5%
Diversity Index
7/10021/100
Economy
ZIP 99121
Danville CDP, WA
View full profile →- Median Income$80,833
- Unemployment %0.0%
- IRS Net Migration+17
- Work From Home %10.2%
- Mean Commute (min)115 min
ZIP 99166
Curlew Lake CDP, WA
View full profile →- Median Income$59,821
- Unemployment %12.5%
- IRS Net Migration+155
- Work From Home %17.9%
- Mean Commute (min)—
Visual comparison (same scale)
Median Income
$80,833$59,821
Unemployment %
0.0%12.5%
IRS Net Migration
+17+155
Work From Home %
10.2%17.9%
Mean Commute (min)
115 min—
Housing
ZIP 99121
Danville CDP, WA
View full profile →- Median Home Value$421k
- Median Rent—
- Owner Occupied %81.3%
- Broadband %76.8%
- Vacant %20.0%
- Median Year Built1994
ZIP 99166
Curlew Lake CDP, WA
View full profile →- Median Home Value$273k
- Median Rent$616
- Owner Occupied %73.9%
- Broadband %84.6%
- Vacant %26.0%
- Median Year Built1988
Visual comparison (same scale)
Median Home Value
$421k$273k
Median Rent
—$616
Owner Occupied %
81.3%73.9%
Broadband %
76.8%84.6%
Vacant %
20.0%26.0%
Median Year Built
19941988
Climate & Location
ZIP 99121
Danville CDP, WA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,555 ft
- Nearest Airport5.8 miles (9.3 km)
- Distance to Coast176.2 miles (283.5 km)
ZIP 99166
Curlew Lake CDP, WA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,555 ft
- Nearest Airport32.2 miles (51.9 km)
- Distance to Coast164.7 miles (265.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
2,555 ft2,555 ft
Nearest Airport
5.8 miles (9.3 km)32.2 miles (51.9 km)
Distance to Coast
176.2 miles (283.5 km)164.7 miles (265.1 km)
Infrastructure
ZIP 99121
Danville CDP, WA
View full profile →- Mean Commute (min)115 min
- Work From Home %10.2%
- Walkability (0–100)20
- Broadband %76.8%
ZIP 99166
Curlew Lake CDP, WA
View full profile →- Mean Commute (min)—
- Work From Home %17.9%
- Walkability (0–100)26
- Broadband %84.6%
Visual comparison (same scale)
Mean Commute (min)
115 min—
Work From Home %
10.2%17.9%
Walkability (0–100)
2026
Broadband %
76.8%84.6%
Frequently Asked Questions
How do ZIP 99121 and 99166 compare?
ZIP 99121 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated. ZIP 99166 is more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (99121), orange the second (99166). 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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