80305 vs 80021 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 80305, Orange = ZIP 80021.
Quick verdict: ZIP 80305 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 80021 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
Quick Facts
ZIP 80305
Boulder city, CO
View full profile →- Population16,101
- Median Income$120,933
- Median Home Value$986k
- Median Rent$2,074
- Median Age37.7 yrs
- Poverty Rate12.6%
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
16,10135,562
Median Income
$120,933$105,645
Median Home Value
$986k$530k
Median Rent
$2,074$1,900
Median Age
37.7 yrs36.4 yrs
Poverty Rate
12.6%5.2%
Demographics
ZIP 80305
Boulder city, CO
View full profile →- White %84.0%
- Black %0.9%
- Asian %5.9%
- Hispanic %7.7%
- Age 0–17 %17.9%
- Age 18–64 %66.9%
- Age 65+ %15.3%
- Bachelor's+ %82.5%
- Diversity Index28/100
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 %
84.0%82.0%
Black %
0.9%1.1%
Asian %
5.9%3.9%
Hispanic %
7.7%12.9%
Age 0–17 %
17.9%14.9%
Age 18–64 %
66.9%71.7%
Age 65+ %
15.3%13.4%
Bachelor's+ %
82.5%53.3%
Diversity Index
28/10031/100
Economy
ZIP 80305
Boulder city, CO
View full profile →- Median Income$120,933
- Unemployment %4.5%
- IRS Net Migration+736
- Work From Home %40.1%
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
$120,933$105,645
Unemployment %
4.5%3.6%
IRS Net Migration
+736+1,625
Work From Home %
40.1%20.4%
Housing
ZIP 80305
Boulder city, CO
View full profile →- Median Home Value$986k
- Median Rent$2,074
- Owner Occupied %62.4%
- Broadband %95.1%
- Vacant %4.7%
- Median Year Built1970
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
$986k$530k
Median Rent
$2,074$1,900
Owner Occupied %
62.4%51.8%
Broadband %
95.1%96.6%
Vacant %
4.7%5.5%
Median Year Built
19701994
Climate & Location
ZIP 80305
Boulder city, CO
View full profile →- Snow Days/Year0 days
- Elevation (ft)5,484 ft
- Nearest Airport8.3 miles (13.4 km)
- Distance to Coast805.3 miles (1296.1 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
8.3 miles (13.4 km)1.3 miles (2.0 km)
Distance to Coast
805.3 miles (1296.1 km)803.6 miles (1293.3 km)
Infrastructure
ZIP 80305
Boulder city, CO
View full profile →- Work From Home %40.1%
- Walkability (0–100)62
- Broadband %95.1%
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 %
40.1%20.4%
Walkability (0–100)
6260
Broadband %
95.1%96.6%
Frequently Asked Questions
How do ZIP 80305 and 80021 compare?
ZIP 80305 is wealthier, higher home values, more educated, higher work-from-home share. ZIP 80021 is more affordable rent, lower poverty rate, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (80305), 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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