Louisville ZIP code, Colorado
The ZIP code for Louisville, CO is 80027, and its area codes are 303, 720 and 983.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 3 more
- Population
- 20,786
- County
- Boulder County
- State
- Colorado
NANPA lists no telephone rate centre for Louisville itself, so these are the area codes of the nearest one, Denver (8.7 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Louisville uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Louisville in numbers
About 20,786 people live in Louisville, in 8,115 households, the 38th-largest of Colorado's 471 census places. The median household income is $147,319 a year, 54% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $883,900 (64% above the Colorado median), and median gross rent is $2,166 a month. The median age is 42.6; 69.9% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 22 minutes.
| Population | 20,786 |
|---|---|
| Households | 8,115 |
| Median age | 42.6 |
| Median household income | $147,319 |
| Median home value | $883,900 |
| Median gross rent | $2,166 |
| Bachelor's degree or higher | 69.9% |
| Mean commute | 22.4 min |
| Population density | 2,608 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Louisville city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Louisville
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80027 | Louisville , CO | Standard | 34,127 | $154,232 | $890,200 |
Other ZIP codes overlapping Louisville
These ZIP codes cover part of Louisville but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
80020 | Broomfield , CO | Standard | 54,201 | $117,243 | $601,800 |
80026 | Lafayette , CO | Standard | 32,701 | $120,187 | $705,600 |
80303 | Boulder , CO | Standard | 24,996 | $78,555 | $961,900 |
Map of Louisville ZIP codes
The ZIP codes of Louisville, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Louisville
The nearest larger towns are Lafayette (30,602 people, 2.9 mi), Broomfield (76,304 people, 5.0 mi) and Boulder (106,433 people, 6.9 mi).
| Town | Population | Distance |
|---|---|---|
| Superior | 13,305 | 2.8 mi |
| Lafayette | 30,602 | 2.9 mi |
| Broomfield | 76,304 | 5.0 mi |
| Gunbarrel | 10,051 | 6.6 mi |
| Boulder | 106,433 | 6.9 mi |
| Erie | 33,808 | 7.4 mi |
| Westminster | 115,484 | 7.5 mi |
| Niwot | 3,447 | 8.9 mi |
| Arvada | 122,634 | 9.4 mi |
| Northglenn | 38,014 | 9.4 mi |
| Shaw Heights | 5,565 | 9.5 mi |
| Federal Heights | 14,125 | 9.9 mi |
| Thornton | 144,187 | 11.2 mi |
| Sherrelwood | 18,692 | 11.8 mi |
More nearby: every ZIP code in Boulder County · Colorado ZIP codes
Cite this page
zipcodes.pro. “Louisville, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/louisville
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