80503 Frequently Asked Questions

A: ZIP Code 80503 is Located in Longmont Colorado. Portions of 80503 are also in Lyons, Boulder, Niwot, Gunbarrel, Hygiene.

A: ZIP Code 80503 is Located Primarily in Boulder County Colorado with Portions in Larimer County.

A: The Current Sales Tax in ZIP Code 80503 is 9.0%

A: The Area Codes for 80503 are 303, 720 and 983

A: ZIP Code 80503 is in the Colorado 2nd Congressional District.

A: 80503 is within Colorado State House of Representatives District 10, Colorado State House of Representatives District 11, Colorado State House of Representatives District 12 and Colorado State House of Representatives District 49.

A: 80503 is within Colorado State Senate District 15, Colorado State Senate District 17 and Colorado State Senate District 18.

A: The 2022 population of ZIP Code 80503 is 36235. The population growth rate in 80503 is 0.00%. The population density of 80503 is 386.

A: The majority race/ethnicity of people residing in 80503 is White (83.94%). The majority race/ethnicity of students attending public schools in 80503 is White(71.61%).

A: The median household income in 80503 is $109,585 (2021) and the average adjusted income is $726,730 (2021).