ZIP code
80503
Longmont, CO
80503 covers Longmont in Boulder County, with 36,206 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 80503. Methodology
ZIP code map of 80503
About ZIP code 80503
Acceptable cities: Niwot
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 80503. Not ACS. Methodology
People in 80503
Race
- White28,862
- Black or African American330
- American Indian or Alaska Native251
- Asian1,903
- Native Hawaiian and Pacific Islander33
- Other race1,307
- Two or more races3,177
Hispanic or Latino (any race): 3,768
Age
- Under 103,430
- 10 to 194,694
- 20 to 293,913
- 30 to 394,135
- 40 to 494,782
- 50 to 595,186
- 60 to 695,156
- 70 to 793,031
- 80 and older1,536
Income and housing in 80503
Education
- High school graduate96.9%
- Bachelor's degree60.2%
- Graduate degree26.0%
Places covering 80503
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Boulder County99.9%
- Larimer County0.1%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
15.4% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 80503
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 29,709 | |
| 2006 | 28,531 | |
| 2007 | 29,575 | |
| 2008 | 28,997 | |
| 2009 | 28,983 | |
| 2010 | 29,350 | |
| 2011 | 31,658 | 29,546 |
| 2012 | 31,275 | 29,600 |
| 2013 | 31,302 | 30,220 |
| 2014 | 32,657 | 30,380 |
| 2015 | 32,079 | 30,470 |
| 2016 | 32,918 | 31,000 |
| 2017 | 33,811 | 31,560 |
| 2018 | 34,791 | 32,000 |
| 2019 | 35,453 | 32,420 |
| 2020 | 36,056 | 31,870 |
| 2021 | 36,894 | 31,810 |
| 2022 | 36,235 | 31,630 |
| 2023 | 36,206 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 80503
12 nearest ZIP centroids (any distance)
- 80544Niwot5.0 miPop 0 · Income —
- 80501Longmont5.7 miPop 43,591 · Income $77,705
- 80301Boulder8.5 miPop 25,252 · Income $92,974
- 80304Boulder9.5 miPop 25,634 · Income $121,534
- 80504Longmont9.6 miPop 61,305 · Income $109,671
- 80513Berthoud10.2 miPop 16,997 · Income $117,024
- 80540Lyons10.7 miPop 4,620 · Income $136,109
- 80455Jamestown11.1 miPop 378 · Income $175,438
- 80310Boulder11.7 miPop 7,530 · Income —
- 80542Mead12.0 miPop 5,552 · Income $127,500
- 80026Lafayette12.3 miPop 32,549 · Income $115,031
- 80302Boulder12.3 miPop 29,751 · Income $60,649
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 80503, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 80503 FAQ
- What city is ZIP code 80503 in?
- 80503 is in Longmont, CO.
- What county is 80503 in?
- 80503 is in Boulder County.
- What is the median household income in 80503?
- The median household income in 80503 is $118,465.
- Which ZIP codes are near 80503?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 80503.