99140 vs 99121 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99140, Orange = ZIP 99121.
Quick verdict: ZIP 99140 is more diverse. ZIP 99121 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
Quick Facts
ZIP 99140
Keller CDP, WA
View full profile →- Population506
- Median Income$50,944
- Median Home Value$139k
- Median Rent$350
- Median Age51.8 yrs
- Poverty Rate18.6%
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%
Visual comparison (same scale)
Population
506325
Median Income
$50,944$80,833
Median Home Value
$139k$421k
Median Rent
$350—
Median Age
51.8 yrs52.4 yrs
Poverty Rate
18.6%10.2%
Demographics
ZIP 99140
Keller CDP, WA
View full profile →- White %26.9%
- Black %0.8%
- Asian %0.0%
- Hispanic %4.2%
- Age 0–17 %18.8%
- Age 18–64 %50.4%
- Age 65+ %30.8%
- Bachelor's+ %12.1%
- Diversity Index46/100
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
Visual comparison (same scale)
White %
26.9%96.3%
Black %
0.8%0.0%
Asian %
0.0%0.0%
Hispanic %
4.2%0.0%
Age 0–17 %
18.8%9.8%
Age 18–64 %
50.4%66.8%
Age 65+ %
30.8%23.4%
Bachelor's+ %
12.1%47.5%
Diversity Index
46/1007/100
Economy
ZIP 99140
Keller CDP, WA
View full profile →- Median Income$50,944
- Unemployment %5.2%
- IRS Net Migration+27
- Work From Home %5.0%
- Mean Commute (min)—
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
Visual comparison (same scale)
Median Income
$50,944$80,833
Unemployment %
5.2%0.0%
IRS Net Migration
+27+17
Work From Home %
5.0%10.2%
Mean Commute (min)
—115 min
Housing
ZIP 99140
Keller CDP, WA
View full profile →- Median Home Value$139k
- Median Rent$350
- Owner Occupied %79.7%
- Broadband %74.2%
- Vacant %15.1%
- Median Year Built1977
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
Visual comparison (same scale)
Median Home Value
$139k$421k
Median Rent
$350—
Owner Occupied %
79.7%81.3%
Broadband %
74.2%76.8%
Vacant %
15.1%20.0%
Median Year Built
19771994
Climate & Location
ZIP 99140
Keller CDP, WA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,719 ft
- Nearest Airport57.3 miles (92.2 km)
- Distance to Coast161.4 miles (259.7 km)
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)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,719 ft2,555 ft
Nearest Airport
57.3 miles (92.2 km)5.8 miles (9.3 km)
Distance to Coast
161.4 miles (259.7 km)176.2 miles (283.5 km)
Infrastructure
ZIP 99140
Keller CDP, WA
View full profile →- Mean Commute (min)—
- Work From Home %5.0%
- Walkability (0–100)32
- Broadband %74.2%
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%
Visual comparison (same scale)
Mean Commute (min)
—115 min
Work From Home %
5.0%10.2%
Walkability (0–100)
3220
Broadband %
74.2%76.8%
Frequently Asked Questions
How do ZIP 99140 and 99121 compare?
ZIP 99140 is more diverse. ZIP 99121 is wealthier, higher home values, lower poverty rate, lower unemployment, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (99140), orange the second (99121). 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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