Yellowstone National Park's Resident Population: 4,146 (2020 Census)
According to the 2020 US Census, **4,146 people** reside within Yellowstone National Park boundaries. This population is distributed across three states:
- Wyoming: ~3,900 (Park County, Teton County)
- Montana: ~200 (Gallatin County, Park County)
- Idaho: ~46 (Fremont County — tiny sliver)
Who Lives in a National Park?
- NPS employees: Rangers, maintenance, administration, scientists (~800 permanent + seasonal)
- Concession staff: Xanterra, Delaware North, Yellowstone Park Service Stations employees (lodging, dining, retail, fuel)
- Researchers: USGS, university field stations, visiting scientists
- Contractors: Construction, utilities, telecommunications
- Families: Employee housing in Mammoth, Old Faithful, Canyon, Grant Village, Lake
Living Conditions
- No private land ownership (all federal)
- Housing assigned by employer; limited availability
- Winter isolation: heavy snow, road closures, limited services
- No K-12 schools inside park; children bus to Gardiner (MT) or Cody (WY)
- Medical care: clinics at Mammoth, Old Faithful, Lake; hospitals 50+ miles away
Distinction: Residents vs. Visitors
4,146 residents ≠ 3-4 million annual visitors. Most visitors stay in gateway communities (West Yellowstone, Gardiner, Cody, Jackson, Cooke City, Island Park).