Residential delivery area · Colorado
ZIP Code 80501: Longmont, CO
ZIP code 80501 is in Longmont, Colorado, entirely in Boulder County (Census 2020 ZIP-county file). About 44,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Longmont's 3 residential ZIP codes. Median household income is $80,911 (Census Bureau, ACS 2020-2024). By Census place, 84% of its land lies in Longmont; 16% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Longmont · 3 residential ZIPs
- County
- Boulder County
- Census places
- Longmont
- Metro area
- Boulder, CO
- House district
- CO-2 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 12.6 sq mi · 3,500 people per sq mi
- PO Box ZIPs
- 80502 also use the name Longmont
Where is ZIP code 80501?
80501 centers on 40.165°, -105.102° and covers 12.6 square miles of land plus 0.2 of water. It borders 2 ZIP codes: 80504, 80503.
The map draws ZIP code areas only. For the streets inside 80501, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 80501 compare with the rest of Longmont?
| Measure | 80501 | In Longmont | In Boulder County | In CO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 44,147 | 2nd of 3 | 3rd of 23 | 25th of 527 |
| Median household income | $81k | 3rd of 3 | 13th of 15 | 180th of 277 |
| Median home value | $489k | 3rd of 3 | 16th of 16 | 161st of 311 |
Its median household income is higher than in 63% of U.S. residential ZIP codes, and it is denser than 90% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80501?
The 2020 Census counted 42,822 people in 80501; the ACS, which samples households over 2020-2024, estimates 44,147. Between the 2010 and 2020 censuses its population grew 8.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 44,147
- 2020 Census count
- 42,822+8.4% since 2010 (39,521)
- Households
- 18,945
- Median age
- 38.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80501?
Of the 44,147 people the ACS estimates in 80501, 19.4% are under 18 and 17.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (60.7%), then Hispanic or Latino (30.2%).
- Under 1819.4%
- 18 to 6462.9%
- 65 and older17.7%
- White, not Hispanic60.7%
- Hispanic or Latino30.2%
- Other or two or more5.1%
- Asian, not Hispanic2.9%
- Black, not Hispanic1.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 80501 earn?
Median household income is $80,911 (ACS 2020-2024), the 13th highest of the 15 ranked ZIP codes in Boulder County. It rose from $74,541 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $80,911
- Income per person
- $42,310
- Below the poverty line
- 11.1%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 40.3%
- Adjusted gross income per tax return, 2022
- $68,69922,480 returns; wages 73% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 80501?
FHFA's house price index for 80501, built from repeat sales and appraisals of the same homes, rose 95% from 2015 to 2025 and rose 34% from 2020 to 2025, and moved +0.0% in 2025.
- Median home value (owners' estimate)
- $488,800
- Median gross rent
- $1,662
- Homes owned by their occupants
- 58.5%
- Housing units
- 19,754
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80501?
1,955 business establishments had a location in this ZIP code in 2023, 56 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance277
- Retail trade255
- Professional, scientific, and technical services217
- Accommodation and food services210
- Other services (except public administration)193
- Construction148
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80501?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80504 | Longmont | 63,451 | $114k | 3.8 mi |
| 80503 | Longmont | 35,846 | $114k | 5.7 mi |
| 80544 | Niwot | 0 | – | 5.6 mi (near) |
| 80542 | Mead | 5,155 | $134k | 7.2 mi (near) |
| 80516 | Erie | 39,048 | $169k | 8.8 mi (near) |
| 80513 | Berthoud | 18,271 | $127k | 9.3 mi (near) |
| 80520 | Firestone | 1,140 | $64k | 9.6 mi (near) |
| 80301 | Boulder | 25,007 | $95k | 9.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.