Keystone, CO ZIP Codes
One ZIP code serves Keystone, Colorado: 80435. Together they are home to 8,715 residents in 3,285 households. That is more than the 1,216 people counted inside Keystone Census-designated place, because these ZIP codes reach past its boundary.
Keystone Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,216 |
| Households | 641 |
| Median household income | $51,591 |
| Median home value | $1,284,700 |
| Median age | 28.2 |
| Median rent | $874 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 8,715 |
| Households (sum of ZIP codes) | 3,285 |
| Median household income, range across ZIP codes | $97,463 (80435) to $97,463 (80435) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $97,463 |
| Homeowners | 61.6% |
| Households with kids under 18 | 21.6% |
| Moved in the past year | 19.0% |
| Carrier routes in EDDM2GO's route library | 2 routes, 1,740 homes (1 of 1 ZIP codes) |
Every ZIP code in Keystone
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80435 | Dillon | 8,715 | 3,285 | $97,463 | $941,600 | 61.6% | 21.6% | 19.0% | 2 | 1,797 | 40% of its land |
A ZIP code is listed for Keystone when at least 10% of its land lies inside the Keystone Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Keystone. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Keystone.
Counties
- Summit County — 4 ZIP codes
Price a mailing to Keystone ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Keystone, CO?
- 80435. A ZIP code is listed for Keystone when at least 10% of its land lies inside the Keystone Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Keystone.
- What is the population of Keystone, CO?
- The Census Bureau counts 1,216 residents inside Keystone Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Keystone hold 8,715 residents in all.
- What is the median household income in Keystone, CO?
- $51,591 inside Keystone Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $97,463 to $97,463.
- How many carrier routes and mailboxes are in Keystone, CO?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 1,740 residential and 57 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.