| ZIP Codes: | 10 ZIP Codes (6 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Code: | 719 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:52:52 PM |
| Population: | 16,274 [See All] |
| FIPS: | 08093 |
| CBSA: | Denver-Aurora-Centennial, CO |
| Land Area: | 2,228 sq mi |
| Water Area: | 17 sq mi |
| Coordinates: | 39.2107, -105.7192 |
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16,274 residents live across 10 ZIPs covering 2,228 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 14,711 to 16,274 from 2014 to 2024 — a +10.6% change. 6 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 80440 (Fairplay, $116,143 median) and poorest ZIP 80432 (Como, $44,605) are 12.9 miles apart — a 2.6× income gap across local geography.
Median home values vary 1.7× across this county — from $364,000 in 80820 (Guffey) to $627,800 in 80456 (Jefferson).
Density varies 31× across the county — from 2 people/sq mi in 80456 (Jefferson) to 50 in 80421 (Bailey).
Educational attainment ranges from 8.1% bachelor's+ in 80432 (Como) to 68.9% in 80420 (Alma) — the breadth of educational profiles across the area.
Within Colorado, this is the #30 most populous of 65 counties and ranks #33 for median household income with the #18 fastest decade growth .
Weighted by population, the typical household earns about $96,334 across the county — reflecting what a typical resident sees, not a simple ZIP average.
41.5% of adults age 25+ hold a bachelor's degree or higher (5,510 of 13,286 reporting).
6 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 80421 | Bailey | Standard | 8,536 | $98,452 | 170.9 | 4.2% |
| 80440 | Fairplay | Standard | 3,502 | $116,143 | 366.3 | 48.8% |
| 80420 | Alma | PO Box | 1,246 | $86,705 | 58.0 | 30.5% |
| 80449 | Hartsel | Standard | 916 | $59,635 | 496.9 | 21.6% |
| 80827 | Lake George | Standard | 808 | $88,125 | 289.0 | 33.3% |
| 80456 | Jefferson | Standard | 507 | — | 317.7 | -36.5% |
| 80820 | Guffey | Standard | 427 | $49,375 | 216.9 | -29.9% |
| 80432 | Como | PO Box | 293 | $44,605 | 134.3 | 181.7% |
| 80475 | Shawnee | PO Box | 39 | — | 36.2 | -40.9% |
| 80448 | Grant | PO Box | 0 | — | 141.9 | -100.0% |