US Census Data

ZIP 81520 vs ZIP 81521

A side-by-side comparison of ZIP Code 81520 and ZIP Code 81521: population, income, housing, and more.

ZIP 81520 and ZIP 81521 are ZIP Code areas in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 81521 has the higher population (16,861 vs 13,454 in ZIP 81520). ZIP 81521 has the higher median household income ($82,632 vs $50,769 in ZIP 81520). ZIP 81521 has the higher median home value ($385,300 vs $228,000 in ZIP 81520).

Population, income & housing

ZIP 81520ZIP 81521
Population13,45416,861
Median age35.9 yrs42.4 yrs
Median household income$50,769$82,632
Median home value$228,000$385,300
Median gross rent$1,013$1,249
Housing units5,4116,531
Homeownership rate65.6%83.2%
Bachelor's degree or higher11.4%32.0%
Unemployment rate6.6%3.2%

Trends (ACS 5-year, 2019–2023)

ZIP 81520ZIP 81521
Population14,080 → 13,454 (-4.4%)16,299 → 16,861 (+3.4%)
Median household income$41,250 → $50,769 (+23.1%)$60,863 → $82,632 (+35.8%)
Median home value$142,200 → $228,000 (+60.3%)$237,400 → $385,300 (+62.3%)
Median gross rent$846 → $1,013 (+19.7%)$1,172 → $1,249 (+6.6%)

ZIP 81520

Population
14,08013,454
Median household income
$41,250$50,769
Median home value
$142,200$228,000
Median gross rent
$846$1,013

ZIP 81521

Population
16,29916,861
Median household income
$60,863$82,632
Median home value
$237,400$385,300
Median gross rent
$1,172$1,249

Age & race/ethnicity

Age distribution (share)

ZIP 81520ZIP 81521
Under 56.5%4.6%
5 to 1716.7%21.7%
18 to 249.7%4.6%
25 to 3414.2%10.1%
35 to 4415.9%13.3%
45 to 5411.9%12.3%
55 to 6410.8%12.1%
65 to 749.3%11.6%
75 and over5.1%9.7%

Race & ethnicity (share)

ZIP 81520ZIP 81521
White (non-Hispanic)72.5%84.3%
Black or African American0.8%1.0%
American Indian & Alaska Native0.2%0.4%
Asian2.8%0.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.9%0.6%
Two or more races2.3%3.7%
Hispanic or Latino20.6%9.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 81520ZIP 81521
No high school diploma18.9%5.6%
High school graduate33.9%31.4%
Some college or associate's35.8%31.0%
Bachelor's degree8.7%23.3%
Graduate or professional degree2.7%8.7%

Commute to work

How workers get to work (share)

ZIP 81520ZIP 81521
Drove alone72.4%77.6%
Carpooled9.7%10.3%
Public transit1.3%0.0%
Walked3.1%1.6%
Bicycle0.1%0.7%
Worked from home11.7%9.3%
Other means1.7%0.4%

Housing

Units in structure (share)

ZIP 81520ZIP 81521
1-unit, detached53.8%82.6%
1-unit, attached3.0%4.4%
2 to 4 units17.7%4.7%
5 to 19 units2.3%0.2%
20 or more units1.5%2.4%
Mobile home & other21.6%5.7%

Poverty & households

ZIP 81520ZIP 81521
Poverty rate19.1%3.3%
Average household size2.582.64
Mean commute (minutes)2221
Median year structure built19841997

Full profiles

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