80303 vs 80021 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 80303, Orange = ZIP 80021.
Quick verdict: ZIP 80303 is higher home values, more affordable rent, more diverse, more educated, higher work-from-home share. ZIP 80021 is wealthier, lower poverty rate, lower unemployment.
Quick Facts
ZIP 80303
Boulder city, CO
View full profile →- Population24,934
- Median Income$77,344
- Median Home Value$942k
- Median Rent$1,771
- Median Age29.8 yrs
- Poverty Rate23.6%
ZIP 80021
Westminster city, CO
View full profile →- Population35,562
- Median Income$105,645
- Median Home Value$530k
- Median Rent$1,900
- Median Age36.4 yrs
- Poverty Rate5.2%
Visual comparison (same scale)
Population
24,93435,562
Median Income
$77,344$105,645
Median Home Value
$942k$530k
Median Rent
$1,771$1,900
Median Age
29.8 yrs36.4 yrs
Poverty Rate
23.6%5.2%
Demographics
ZIP 80303
Boulder city, CO
View full profile →- White %81.8%
- Black %0.8%
- Asian %6.8%
- Hispanic %8.4%
- Age 0–17 %11.1%
- Age 18–64 %73.0%
- Age 65+ %15.8%
- Bachelor's+ %78.9%
- Diversity Index32/100
ZIP 80021
Westminster city, CO
View full profile →- White %82.0%
- Black %1.1%
- Asian %3.9%
- Hispanic %12.9%
- Age 0–17 %14.9%
- Age 18–64 %71.7%
- Age 65+ %13.4%
- Bachelor's+ %53.3%
- Diversity Index31/100
Visual comparison (same scale)
White %
81.8%82.0%
Black %
0.8%1.1%
Asian %
6.8%3.9%
Hispanic %
8.4%12.9%
Age 0–17 %
11.1%14.9%
Age 18–64 %
73.0%71.7%
Age 65+ %
15.8%13.4%
Bachelor's+ %
78.9%53.3%
Diversity Index
32/10031/100
Economy
ZIP 80303
Boulder city, CO
View full profile →- Median Income$77,344
- Unemployment %5.7%
- IRS Net Migration+1,140
- Work From Home %28.3%
ZIP 80021
Westminster city, CO
View full profile →- Median Income$105,645
- Unemployment %3.6%
- IRS Net Migration+1,625
- Work From Home %20.4%
Visual comparison (same scale)
Median Income
$77,344$105,645
Unemployment %
5.7%3.6%
IRS Net Migration
+1,140+1,625
Work From Home %
28.3%20.4%
Housing
ZIP 80303
Boulder city, CO
View full profile →- Median Home Value$942k
- Median Rent$1,771
- Owner Occupied %45.5%
- Broadband %94.2%
- Vacant %8.6%
- Median Year Built1978
ZIP 80021
Westminster city, CO
View full profile →- Median Home Value$530k
- Median Rent$1,900
- Owner Occupied %51.8%
- Broadband %96.6%
- Vacant %5.5%
- Median Year Built1994
Visual comparison (same scale)
Median Home Value
$942k$530k
Median Rent
$1,771$1,900
Owner Occupied %
45.5%51.8%
Broadband %
94.2%96.6%
Vacant %
8.6%5.5%
Median Year Built
19781994
Climate & Location
ZIP 80303
Boulder city, CO
View full profile →- Snow Days/Year0 days
- Elevation (ft)5,484 ft
- Nearest Airport6.6 miles (10.6 km)
- Distance to Coast803.8 miles (1293.7 km)
ZIP 80021
Westminster city, CO
View full profile →- Snow Days/Year0 days
- Elevation (ft)5,407 ft
- Nearest Airport1.3 miles (2.0 km)
- Distance to Coast803.6 miles (1293.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
5,484 ft5,407 ft
Nearest Airport
6.6 miles (10.6 km)1.3 miles (2.0 km)
Distance to Coast
803.8 miles (1293.7 km)803.6 miles (1293.3 km)
Infrastructure
ZIP 80303
Boulder city, CO
View full profile →- Work From Home %28.3%
- Walkability (0–100)63
- Broadband %94.2%
ZIP 80021
Westminster city, CO
View full profile →- Work From Home %20.4%
- Walkability (0–100)60
- Broadband %96.6%
Visual comparison (same scale)
Work From Home %
28.3%20.4%
Walkability (0–100)
6360
Broadband %
94.2%96.6%
Frequently Asked Questions
How do ZIP 80303 and 80021 compare?
ZIP 80303 is higher home values, more affordable rent, more diverse, more educated, higher work-from-home share. ZIP 80021 is wealthier, lower poverty rate, lower unemployment.
What do the blue and orange colors mean?
Blue represents the first ZIP (80303), orange the second (80021). 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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