Fairmount, CO ZIP Codes
2 ZIP codes serve Fairmount, Colorado: 80002 and 80403. Together they are home to 42,002 residents in 18,245 households. That is more than the 9,902 people counted inside Fairmount Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $93,362 in 80002 to $151,276 in 80403.
Fairmount Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 9,902 |
| Households | 3,680 |
| Median household income | $163,600 |
| Median home value | $827,600 |
| Median age | 43.5 |
| Median rent | $2,679 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 42,002 |
| Households (sum of ZIP codes) | 18,245 |
| Median household income, range across ZIP codes | $93,362 (80002) to $151,276 (80403) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $120,311 |
| Homeowners | 67.0% |
| Households with kids under 18 | 25.3% |
| Moved in the past year | 15.1% |
| Carrier routes in EDDM2GO's route library | 33 routes, 19,801 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Fairmount: 80403 ($151,276)
- Most residents: 80002 (21,270 people)
- Highest homeownership: 80403 (86.9% own their home)
- Most households with kids: 80403 (30.9% of households)
- Most new movers: 80002 (19.3% moved in last year)
- Youngest median age: 80002 (36.4 years)
- Highest median home value: 80403 ($838,000)
Every ZIP code in Fairmount
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80002 | Arvada | 21,270 | 9,755 | $93,362 | $558,500 | 49.6% | 20.5% | 19.3% | 15 | 11,969 | 28% of its land |
| 80403 | Golden | 20,732 | 8,490 | $151,276 | $838,000 | 86.9% | 30.9% | 10.7% | 18 | 9,476 | 3% of its land |
A ZIP code is listed for Fairmount when at least 10% of its land lies inside the Fairmount Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairmount. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Fairmount.
Counties
- Jefferson County — 32 ZIP codes
Nearby cities sharing these ZIP codes
Price a mailing to Fairmount ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Fairmount, CO?
- 80002 and 80403. A ZIP code is listed for Fairmount when at least 10% of its land lies inside the Fairmount Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Fairmount.
- What is the population of Fairmount, CO?
- The Census Bureau counts 9,902 residents inside Fairmount Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Fairmount hold 42,002 residents in all.
- What is the median household income in Fairmount, CO?
- $163,600 inside Fairmount Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $93,362 to $151,276.
- Which Fairmount ZIP code has the highest median household income?
- 80403, at $151,276, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Fairmount, CO?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 33 carrier routes reaching 19,801 residential and 1,645 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.