99030 vs 99031 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 99030, Orange = ZIP 99031.
Quick verdict: ZIP 99030 is lower poverty rate, lower unemployment, more diverse. ZIP 99031 is wealthier, higher home values, more educated, higher work-from-home share.
Quick Facts
ZIP 99030
Rockford town, WA
View full profile →- Population616
- Median Income$77,125
- Median Home Value$284k
- Median Rent$775
- Median Age54.1 yrs
- Poverty Rate6.7%
ZIP 99031
Spangle city, WA
View full profile →- Population1,434
- Median Income$95,089
- Median Home Value$330k
- Median Rent—
- Median Age49.2 yrs
- Poverty Rate15.6%
Visual comparison (same scale)
Population
6161,434
Median Income
$77,125$95,089
Median Home Value
$284k$330k
Median Rent
$775—
Median Age
54.1 yrs49.2 yrs
Poverty Rate
6.7%15.6%
Demographics
ZIP 99030
Rockford town, WA
View full profile →- White %85.4%
- Black %0.0%
- Asian %0.7%
- Hispanic %4.2%
- Age 0–17 %19.5%
- Age 18–64 %58.6%
- Age 65+ %21.9%
- Bachelor's+ %16.8%
- Diversity Index26/100
ZIP 99031
Spangle city, WA
View full profile →- White %90.0%
- Black %0.0%
- Asian %1.3%
- Hispanic %4.0%
- Age 0–17 %11.8%
- Age 18–64 %72.3%
- Age 65+ %15.8%
- Bachelor's+ %23.9%
- Diversity Index19/100
Visual comparison (same scale)
White %
85.4%90.0%
Black %
0.0%0.0%
Asian %
0.7%1.3%
Hispanic %
4.2%4.0%
Age 0–17 %
19.5%11.8%
Age 18–64 %
58.6%72.3%
Age 65+ %
21.9%15.8%
Bachelor's+ %
16.8%23.9%
Diversity Index
26/10019/100
Economy
ZIP 99030
Rockford town, WA
View full profile →- Median Income$77,125
- Unemployment %0.7%
- IRS Net Migration+33
- Work From Home %4.5%
ZIP 99031
Spangle city, WA
View full profile →- Median Income$95,089
- Unemployment %6.7%
- IRS Net Migration+77
- Work From Home %5.8%
Visual comparison (same scale)
Median Income
$77,125$95,089
Unemployment %
0.7%6.7%
IRS Net Migration
+33+77
Work From Home %
4.5%5.8%
Housing
ZIP 99030
Rockford town, WA
View full profile →- Median Home Value$284k
- Median Rent$775
- Owner Occupied %94.2%
- Broadband %80.9%
- Vacant %23.7%
- Median Year Built1972
ZIP 99031
Spangle city, WA
View full profile →- Median Home Value$330k
- Median Rent—
- Owner Occupied %88.6%
- Broadband %85.8%
- Vacant %2.0%
- Median Year Built1980
Visual comparison (same scale)
Median Home Value
$284k$330k
Median Rent
$775—
Owner Occupied %
94.2%88.6%
Broadband %
80.9%85.8%
Vacant %
23.7%2.0%
Median Year Built
19721980
Climate & Location
ZIP 99030
Rockford town, WA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,905 ft
- Nearest Airport16.9 miles (27.2 km)
- Distance to Coast235.5 miles (379.0 km)
ZIP 99031
Spangle city, WA
View full profile →- Snow Days/Year0 days
- Elevation (ft)2,267 ft
- Nearest Airport15.8 miles (25.4 km)
- Distance to Coast224.6 miles (361.4 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
2,905 ft2,267 ft
Nearest Airport
16.9 miles (27.2 km)15.8 miles (25.4 km)
Distance to Coast
235.5 miles (379.0 km)224.6 miles (361.4 km)
Infrastructure
ZIP 99030
Rockford town, WA
View full profile →- Work From Home %4.5%
- Walkability (0–100)25
- Broadband %80.9%
ZIP 99031
Spangle city, WA
View full profile →- Work From Home %5.8%
- Walkability (0–100)20
- Broadband %85.8%
Visual comparison (same scale)
Work From Home %
4.5%5.8%
Walkability (0–100)
2520
Broadband %
80.9%85.8%
Frequently Asked Questions
How do ZIP 99030 and 99031 compare?
ZIP 99030 is lower poverty rate, lower unemployment, more diverse. ZIP 99031 is wealthier, higher home values, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (99030), orange the second (99031). 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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