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Louisville, CO ZIP code

The ZIP code for Louisville, Colorado is 80027. It is in Boulder County.

Population in these ZIPs
34,127
Avg. median income
$154,200population-weighted
Typical home value
$815,000population-weighted
Metro area
Boulder, CO
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ZIP codes within 10 miles

Louisville, CO ZIP code list

Louisville, CO ZIP codes
ZIP codePopulationMedian incomeTypical home value
8002734,127$154,232$815,000

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Louisville

Frequently asked questions

What is the ZIP code for Louisville, CO?

The ZIP code for Louisville, CO is 80027.

What county is Louisville, Colorado in?

Louisville ZIP codes are in Boulder County.