US Census Data

ZIP 81121 vs ZIP 81131

A side-by-side comparison of ZIP Code 81121 and ZIP Code 81131: population, income, housing, and more.

ZIP 81121 and ZIP 81131 are ZIP Code areas in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 81131 has the higher population (1,059 vs 361 in ZIP 81121). ZIP 81121 has the higher median household income ($63,000 vs $60,625 in ZIP 81131). ZIP 81131 has the higher median home value ($345,500 vs $268,800 in ZIP 81121).

Population, income & housing

ZIP 81121ZIP 81131
Population3611,059
Median age52.8 yrs65.7 yrs
Median household income$63,000$60,625
Median home value$268,800$345,500
Median gross rent$1,259
Housing units215794
Homeownership rate93.4%83.8%
Bachelor's degree or higher18.2%50.9%
Unemployment rate4.1%1.4%

Trends (ACS 5-year, 2019–2023)

ZIP 81121ZIP 81131
Population323 → 361 (+11.8%)1,344 → 1,059 (-21.2%)
Median household income$45,250 → $63,000 (+39.2%)$24,495 → $60,625 (+147.5%)
Median home value$193,300 → $268,800 (+39.1%)$198,000 → $345,500 (+74.5%)
Median gross rent$788 → $1,250 (+58.6%)$771 → $1,259 (+63.3%)

ZIP 81121

Population
323361
Median household income
$45,250$63,000
Median home value
$193,300$268,800
Median gross rent
$788$1,250

ZIP 81131

Population
1,3441,059
Median household income
$24,495$60,625
Median home value
$198,000$345,500
Median gross rent
$771$1,259

Age & race/ethnicity

Age distribution (share)

ZIP 81121ZIP 81131
Under 50.0%3.1%
5 to 179.4%2.5%
18 to 245.5%0.1%
25 to 343.0%5.2%
35 to 440.0%9.6%
45 to 5442.7%5.7%
55 to 6417.2%19.2%
65 to 747.8%46.6%
75 and over14.4%8.1%

Race & ethnicity (share)

ZIP 81121ZIP 81131
White (non-Hispanic)39.1%92.1%
Black or African American0.0%0.0%
American Indian & Alaska Native0.3%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race2.5%0.0%
Two or more races2.5%5.5%
Hispanic or Latino55.7%2.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 81121ZIP 81131
No high school diploma41.0%4.8%
High school graduate11.4%19.0%
Some college or associate's29.3%25.3%
Bachelor's degree11.4%20.9%
Graduate or professional degree6.8%29.9%

Commute to work

How workers get to work (share)

ZIP 81121ZIP 81131
Drove alone73.6%44.8%
Carpooled5.5%9.4%
Public transit0.0%0.0%
Walked0.0%5.1%
Bicycle0.0%0.0%
Worked from home20.9%36.5%
Other means0.0%4.3%

Housing

Units in structure (share)

ZIP 81121ZIP 81131
1-unit, detached67.4%91.1%
1-unit, attached0.0%0.0%
2 to 4 units0.0%1.9%
5 to 19 units1.9%0.0%
20 or more units0.0%0.0%
Mobile home & other30.7%7.1%

Poverty & households

ZIP 81121ZIP 81131
Poverty rate8.0%16.8%
Average household size2.651.59
Mean commute (minutes)2022
Median year structure built19941999

Full profiles

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ZIP 81121 vs ZIP 81131: Compare Population & Demographics | US Census Data