US Census Data

ZIP 81631 vs ZIP 81638

A side-by-side comparison of ZIP Code 81631 and ZIP Code 81638: population, income, housing, and more.

ZIP 81631 and ZIP 81638 are ZIP Code areas in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 81631 has the higher population (8,676 vs 94 in ZIP 81638). Since 2019, ZIP 81638's population has grown faster (+30.6% vs -2.5%).

Population, income & housing

ZIP 81631ZIP 81638
Population8,67694
Median age37.5 yrs65.8 yrs
Median household income$104,430
Median home value$717,600
Median gross rent$1,685
Housing units3,13790
Homeownership rate71.9%86.4%
Bachelor's degree or higher51.7%51.2%
Unemployment rate1.3%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 81631ZIP 81638
Population8,903 → 8,676 (-2.5%)72 → 94 (+30.6%)
Median household income$101,620 → $104,430 (+2.8%)
Median home value$572,200 → $717,600 (+25.4%)$166,000 → $895,800 (+439.6%)
Median gross rent$1,449 → $1,685 (+16.3%)

ZIP 81631

Population
8,9038,676
Median household income
$101,620$104,430
Median home value
$572,200$717,600
Median gross rent
$1,449$1,685

ZIP 81638

Population
7294
Median home value
$166,000$895,800

Age & race/ethnicity

Age distribution (share)

ZIP 81631ZIP 81638
Under 55.7%14.9%
5 to 1720.4%0.0%
18 to 247.4%0.0%
25 to 349.9%0.0%
35 to 4419.4%11.7%
45 to 5412.6%12.8%
55 to 6411.0%6.4%
65 to 748.5%26.6%
75 and over5.2%27.7%

Race & ethnicity (share)

ZIP 81631ZIP 81638
White (non-Hispanic)66.9%100.0%
Black or African American0.1%0.0%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.4%0.0%
Two or more races1.9%0.0%
Hispanic or Latino30.7%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 81631ZIP 81638
No high school diploma6.6%2.5%
High school graduate20.0%15.0%
Some college or associate's21.7%31.3%
Bachelor's degree40.3%37.5%
Graduate or professional degree11.5%13.8%

Commute to work

How workers get to work (share)

ZIP 81631ZIP 81638
Drove alone84.7%0.0%
Carpooled5.6%0.0%
Public transit0.0%0.0%
Walked3.5%44.2%
Bicycle0.0%0.0%
Worked from home6.2%55.8%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 81631ZIP 81638
1-unit, detached58.9%91.1%
1-unit, attached11.9%0.0%
2 to 4 units9.9%0.0%
5 to 19 units10.4%0.0%
20 or more units4.2%0.0%
Mobile home & other4.7%8.9%

Poverty & households

ZIP 81631ZIP 81638
Poverty rate7.6%29.8%
Average household size2.942.14
Mean commute (minutes)22
Median year structure built19991978

Full profiles

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ZIP 81631 vs ZIP 81638: Compare Population & Demographics | US Census Data