Logistics · Updated October 7, 2026 · 7 min read

Last-Mile Delivery: Volume, Density, and the Cost of the Final Stop

A public-data view of parcel demand and why route density—not headline package volume alone—drives delivery economics.

Executive summary

E-commerce sustains parcel demand, but last-mile profitability depends on stop density, package mix, labor, and network utilization. National carrier disclosures are more useful than broad market forecasts for understanding this operating model.

Key findings

Parcel volume is large, but not sufficient

USPS reports 6.837 billion shipping and package pieces for fiscal 2025. Volume establishes the scale of the delivery network, but says little about profitability without revenue per piece, distance, service level, and stop density.

E-commerce is the clearest public demand anchor

Census quarterly e-commerce estimates provide a consistent macro signal for goods purchased online. They do not translate one-for-one into parcels because baskets, split shipments, returns, and pickup options alter package counts.

Density shapes the final-mile advantage

A route serving many deliveries per mile can spread driver and vehicle costs across more packages. This favors networks with broad coverage and recurring volume; specialized entrants need concentration, differentiated service, or both.

Methodology notes

  • We use reported carrier volume and Census retail data rather than combining incompatible third-party market estimates.
  • Parcel volume is treated as an operating indicator, not market revenue.
  • The analysis distinguishes packages, stops, and orders because these units are not interchangeable.

Sources

  1. Fiscal Year 2025 Results, Form 8-K — U.S. Postal Service, November 14, 2025
  2. Fiscal Year 2025 Annual Report to Congress — U.S. Postal Service, 2025
  3. Quarterly Retail E-Commerce Sales — U.S. Census Bureau, Updated quarterly