Residential delivery area · Colorado
ZIP Code 80521: Fort Collins, CO
ZIP code 80521 uses the postal name Fort Collins, Colorado and lies entirely in Larimer County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024), the 4th most populous of Fort Collins's 5 residential ZIP codes. Median household income is $58,082 (Census Bureau, ACS 2020-2024). By Census place, 40% of its land lies in Fort Collins; 60% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fort Collins · 5 residential ZIPs
- County
- Larimer County
- Census places
- Fort Collins
- Neighborhood
- University North GeoNames
- Metro area
- Fort Collins-Loveland, CO
- House district
- CO-2 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 14.0 sq mi · 2,766 people per sq mi
Where is ZIP code 80521?
80521 centers on 40.593°, -105.127° and covers 14.0 square miles of land plus 0.4 of water. It borders 4 ZIP codes: 80526, 80524, 80535, 80512.
The map draws ZIP code areas only. For the streets inside 80521, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 80521 compare with the rest of Fort Collins?
| Measure | 80521 | In Fort Collins | In Larimer County | In CO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,776 | 4th of 5 | 7th of 23 | 38th of 527 |
| Median household income | $58k | 5th of 5 | 17th of 17 | 253rd of 277 |
| Median home value | $565k | 3rd of 5 | 11th of 18 | 124th of 311 |
Its median household income is higher than in 26% of U.S. residential ZIP codes, and it is denser than 88% 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 80521?
The 2020 Census counted 37,451 people in 80521; the ACS, which samples households over 2020-2024, estimates 38,776. Between the 2010 and 2020 censuses its population grew 12.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,776
- 2020 Census count
- 37,451+12.1% since 2010 (33,409)
- Households
- 14,260
- Median age
- 22.9
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 80521?
Of the 38,776 people the ACS estimates in 80521, 9.7% are under 18 and 7.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.4%), then Hispanic or Latino (10.8%).
- Under 189.7%
- 18 to 6482.7%
- 65 and older7.5%
- White, not Hispanic79.4%
- Hispanic or Latino10.8%
- Other or two or more4.7%
- Asian, not Hispanic3.6%
- Black, not Hispanic1.5%
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 80521 earn?
Median household income is $58,082 (ACS 2020-2024), the 17th highest of the 17 ranked ZIP codes in Larimer County. It is not measurably different from 2015-2019 ($59,443 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $58,082
- Income per person
- $33,574
- Below the poverty line
- 32.6%
- Unemployed (of the labor force)
- 9.4%
- Adults 25+ with a bachelor's degree
- 64.0%
- Adjusted gross income per tax return, 2022
- $68,31514,140 returns; wages 69% 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 80521?
FHFA's house price index for 80521, built from repeat sales and appraisals of the same homes, rose 98% from 2015 to 2025 and rose 42% from 2020 to 2025, and moved +3.5% in 2025.
- Median home value (owners' estimate)
- $564,900
- Median gross rent
- $1,444
- Homes owned by their occupants
- 36.8%
- Housing units
- 15,000
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 80521?
653 business establishments had a location in this ZIP code in 2023, 25 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services136
- Accommodation and food services82
- Health care and social assistance70
- Other services (except public administration)67
- Construction63
- Real estate and rental and leasing60
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 80521?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80526 | Fort Collins | 44,326 | $89k | 4.9 mi |
| 80524 | Fort Collins | 40,030 | $85k | 6.3 mi |
| 80535 | Laporte | 1,896 | $111k | 10.4 mi |
| 80512 | Bellvue | 1,903 | $98k | 23.6 mi |
| 80525 | Fort Collins | 54,211 | $92k | 6.4 mi (near) |
| 80538 | Loveland | 50,110 | $87k | 7.0 mi (near) |
| 80528 | Fort Collins | 24,960 | $130k | 9.1 mi (near) |
| 80547 | Timnath | 8,821 | $181k | 9.7 mi (near) |
| 80550 | Windsor | 46,456 | $126k | 14.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.