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Longmont, Colorado ZIP code demographics

3 ZIP Code Tabulation Areas in Longmont, Colorado. The population-weighted median household income is about $102,978, the median home value about $604,175, and 69% of occupied homes are owner-occupied.

3
ZIP codes
143.4K
Population
54
Data points

Longmont at a glance

$102,978
Median household income
$604,175
Median home value
40.6
Median age
69%
Owner-occupied
60,106
Housing units

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

Top 3 Longmont ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
180504Firestone63,45179.1%$113,643
280503Boulder35,84666.1%$113,620
380501Longmont44,14758.5%$80,911
Top 3 Longmont ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
180504Firestone63,45179.1%$113,643
280501Longmont44,14758.5%$80,911
380503Boulder35,84666.1%$113,620
Top 3 Longmont ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
180504Firestone63,45179.1%$113,643$2.2B
280503Boulder35,84666.1%$113,620$1.1B
380501Longmont44,14758.5%$80,911$896.9M

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: 80501 (Longmont) at 3,500 people/sq mi. Least dense: 80503 (Boulder) at 391 people/sq mi.

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