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Boulder County, Colorado ZIP code demographics

23 ZIP Code Tabulation Areas in Boulder County, Colorado. The population-weighted median household income is about $114,814, the median home value about $755,650, and 66.9% of occupied homes are owner-occupied.

23
ZIP codes
481.5K
Population
53
Data points

Boulder County at a glance

$114,814
Median household income
$755,650
Median home value
38.4
Median age
66.9%
Owner-occupied
204,439
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Boulder County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
180455Glendale50191%$169,286
280516Broomfield39,04888%$168,725
380027Louisville34,12767.5%$154,232
480403Arvada20,73286.9%$151,276
580540Allenspark4,64289%$139,521
Top 5 Boulder County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
180504Firestone63,45179.1%$113,643
280020Broomfield54,20166.7%$117,243
380501Longmont44,14758.5%$80,911
480516Broomfield39,04888%$168,725
580503Boulder35,84666.1%$113,620
Top 5 Boulder County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
180504Firestone63,45179.1%$113,643$2.2B
280516Broomfield39,04888%$168,725$2B
380020Broomfield54,20166.7%$117,243$1.7B
480027Louisville34,12767.5%$154,232$1.4B
580503Boulder35,84666.1%$113,620$1.1B

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 80310 (Boulder) at 14,108 people/sq mi. Least dense: 80510 (Allenspark) at 10 people/sq mi.

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