Youngest ZIP codes in Fort Collins, CO
These are the 5 ZIP codes in Fort Collins, CO with the lowest median age, out of 5 with at least 1,000 residents. 80521 (Fort Collins, 22.9), 80526 (Fort Collins, 34.1) and 80528 (Fort Collins, 35.7) lead the list. There is no single "best" ZIP code in Fort Collins; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Youngest ZIP codes in Fort Collins
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 80521 | Fort Collins | 22.9 ±0.4 | 38,776 | 14,260 | 14,164 |
| 2 | 80526 | Fort Collins | 34.1 ±1.2 | 44,326 | 19,147 | 19,654 |
| 3 | 80528 | Fort Collins | 35.7 ±2.1 | 24,960 | 9,325 | 10,079 |
| 4 | 80524 | Fort Collins | 35.9 ±1.3 | 40,030 | 17,399 | 18,661 |
| 5 | 80525 | Fort Collins | 37.9 ±1.4 | 54,211 | 24,410 | 25,302 |
How we ranked them
Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 5 of 5 qualify.
Which of these to mail, and why
Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.
The top five ZIP codes on this list hold 84,541 households, on 129 carrier routes with 87,860 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 80521 on the EDDM route map
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- Fastest-growing ZIP codes in Fort Collins
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Businesses that mail these ZIP codes
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Frequently asked questions
- Which ZIP code in Fort Collins has the lowest median age?
- 80521 (Fort Collins), at 22.9 (±0.4), among 5 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024).
- Why are some ZIP codes missing?
- ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.