Colorado Lives on I-25
72% percent of Colorado lives within 10 miles of one highway
4,075,597 of the state's 5,684,926 people, packed into a thin seam up the eastern edge of the Rockies. The other 28% are scattered across most of the actual land: the plains, the mountains, the Western Slope.
Where Coloradans live
within 10 miles of I-25
4,075,597 of 5,684,926 people. Density is mapped by 2020 census tract (ACS) — tracts hold roughly equal population, so a tract’s size is the signal: small means dense, sprawling means empty.
The Front Range spine along I-25 carries most of the state. Toggle the corridor at right; hover any tract for detail.
Capacity Follows People
The same seam that holds 72% of the population also holds most of the hospitals, most of the foundations, and most of the jobs, and nearly all of the state's AI talent, infrastructure, and capital. The map of where Coloradans live is, give or take, the map of where the capacity lives.
Right now the capacity is being pulled back from the places that had the least of it to start with. Three examples, all landing in the 28%.
Health: The 2025 reconciliation law cut close to a trillion dollars from Medicaid. This program covers about a quarter of rural adults and nearly half of all rural births and analysts put more than 300 rural hospitals at immediate risk of closing; the $50 billion "rural health fund" meant to soften the blow covers only about 37% of the rural Medicaid loss.
Public lands: On the Western Slope, the White River National Forest, the most-visited in the country, lost 29% of its staff, and Gunnison National Forest hired no seasonal workers at all. So, Eagle County passed the hat for $160,000 and Gunnison County for $62,500 to put rangers back on the ground, while roughly a quarter of the Forest Service's wildland firefighting force sat vacant heading into fire season.
Food: The same law made the largest cut to SNAP in its history, in counties where food insecurity already runs higher than the national average and where a closing grocery store can be the only one for an hour in any direction.
None of that shows up as a new color on a density map. It shows up as the same blank space not because people left, but because the things built to reach them did. This emptiness is becoming a decision driven at Colorado from the current federal ideology and is no longer a fact of only geography.
Need and Capacity are being decoupled, and they are being pulled further apart on purpose. The distance between the two is where the work is.
Sources
Medicaid / rural hospitals: KFF, "How Might Federal Medicaid Cuts… Affect Rural Areas?" (kff.org); Center for American Progress, "The Truth About the OBBBA's Cuts" (300+ at immediate risk); KFF, "$50 Billion Rural Health Fund" (the 37% figure)
Public lands: Center for Western Priorities, Aug 2025 staffing roundup (westernpriorities.org) — White River/Gunnison/county-backfill/firefighting numbers; NPCA (npca.org) — 24% permanent-staff loss
SNAP: Food Research & Action Center (frac.org) — rural impact and food-insecurity rates; Urban Institute / CBPP — "largest cut in history" framing and CBO scoring